<section>
 <h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
  db.collection.estimatedDocumentCount()
  <a class="headerlink leafygreen-ui-1kepx47" href="#db.collection.estimateddocumentcount--" title="Permalink to this heading">
   <svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
    <path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
    </path>
    <path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
    </path>
   </svg>
   <div class="css-1btu0w3 evvkmar0" id="db.collection.estimateddocumentcount--">
   </div>
  </a>
 </h1>
 <div class="leafygreen-ui-a5yxub">
  <p class="css-1cmx2d4 ef7gu8j0">
   On this page
  </p>
  <ul class="css-1qb0mst ef7gu8j1">
   <li class="leafygreen-ui-1e7a0ei">
    <a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#definition" target="_self">
     <span>
      Definition
     </span>
    </a>
   </li>
   <li class="leafygreen-ui-1jqtqlb">
    <a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#behavior" target="_self">
     <span>
      Behavior
     </span>
    </a>
   </li>
   <li class="leafygreen-ui-1jqtqlb">
    <a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#example" target="_self">
     <span>
      Example
     </span>
    </a>
   </li>
  </ul>
 </div>
 <div class="leafygreen-ui-147elvs">
  <p class="leafygreen-ui-1ronz74">
   MongoDB with drivers
  </p>
  <div class="leafygreen-ui-18k5rfm">
   <p class="leafygreen-ui-1kp3ins">
    This page documents a
    <a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
     <span>
      <code class="leafygreen-ui-1l06pbn">
       mongosh
      </code>
     </span>
    </a>
    method. To see the equivalent
method in a MongoDB driver, see the corresponding page for your
programming language:
   </p>
  </div>
  <div class="leafygreen-ui-zgrwqu notranslate">
   <a class="leafygreen-ui-v22cck" href="https://www.mongodb.com/docs/drivers/csharp/current/fundamentals/crud/read-operations/count/#estimated-count" target="_self">
    <svg class="leafygreen-ui-x3zji3" fill="none" height="24" viewbox="0 0 28 29" width="24" xmlns="http://www.w3.org/2000/svg">
     <g clip-path="url(#clip0_1351_59964)">
      <g clip-path="url(#clip1_1351_59964)">
       <path d="M25.7709 9.2495C25.7709 8.79827 25.678 8.39408 25.4827 8.04627C25.2874 7.70785 25.0084 7.42586 24.627 7.20025C21.465 5.35781 18.2937 3.51538 15.1317 1.67295C14.2761 1.17474 13.4484 1.19354 12.6021 1.70115C11.3466 2.45316 5.04112 6.10042 3.15321 7.20025C2.3813 7.65142 2 8.34705 2 9.24005C2 12.9531 2 16.6568 2 20.3698C2 20.8117 2.093 21.2064 2.279 21.5449C2.4743 21.8927 2.7626 22.1841 3.15321 22.4191C5.03182 23.5189 11.3373 27.1662 12.6021 27.9182C13.4484 28.4258 14.2761 28.4446 15.1317 27.9463C18.2937 26.1039 21.465 24.2615 24.627 22.4191C25.0177 22.1935 25.306 21.9021 25.5012 21.5449C25.6873 21.2064 25.7803 20.8117 25.7803 20.3698C25.7709 20.3698 25.7709 12.9531 25.7709 9.2495Z" fill="#A179DC">
       </path>
       <path d="M13.9227 14.7673L2.27905 21.5449C2.47435 21.8927 2.76265 22.1841 3.15326 22.4191C5.03187 23.5189 11.3373 27.1662 12.6021 27.9182C13.4484 28.4258 14.2762 28.4445 15.1317 27.9463C18.2938 26.1039 21.4651 24.2615 24.6271 22.4191C25.0177 22.1935 25.306 21.9021 25.5013 21.5449L13.9227 14.7673Z" fill="#280068">
       </path>
       <path d="M25.7711 9.24949C25.7711 8.79827 25.6781 8.39408 25.4828 8.04626L13.9229 14.7768L25.4921 21.5543C25.6781 21.2159 25.7711 20.8211 25.7711 20.3793C25.7711 20.3699 25.7711 12.9531 25.7711 9.24949Z" fill="#390091">
       </path>
       <path d="M20.7771 12.2387V13.5078H22.0325V12.2387H22.6557V13.5078H23.9111V14.1376H22.6557V15.4066H23.9111V16.0364H22.6557V17.3054H22.0325V16.0364H20.7771V17.3054H20.1539V16.0364H18.8984V15.4066H20.1539V14.1376H18.8984V13.5078H20.1539V12.2387H20.7771ZM22.0325 14.1376H20.7771V15.4066H22.0325V14.1376Z" fill="white">
       </path>
       <path d="M13.9508 5.87482C17.2151 5.87482 20.0702 7.67022 21.6047 10.3399L21.5861 10.3117L17.7452 12.5489C16.9919 11.2517 15.5969 10.3775 14.0066 10.3587H13.9601C11.5328 10.3587 9.56116 12.3515 9.56116 14.805C9.56116 15.604 9.77503 16.3654 10.1377 17.014C10.9004 18.3488 12.3232 19.2512 13.9601 19.2512C15.6062 19.2512 17.0384 18.3394 17.7917 16.9858L17.7731 17.014L21.614 19.2606C20.0981 21.9021 17.2895 23.6975 14.0531 23.7257H13.9508C10.6679 23.7257 7.81274 21.9209 6.28753 19.2418C5.54353 17.9352 5.11572 16.4124 5.11572 14.7956C5.11572 9.87931 9.06825 5.87482 13.9508 5.87482Z" fill="white">
       </path>
      </g>
     </g>
     <defs>
      <clippath id="clip0_1351_59964">
       <rect fill="white" height="28" transform="translate(0 0.809265)" width="28">
       </rect>
      </clippath>
      <clippath id="clip1_1351_59964">
       <rect fill="white" height="27" transform="translate(2 1.30966)" width="24">
       </rect>
      </clippath>
     </defs>
    </svg>
    <span>
     C#
    </span>
   </a>
   <a class="leafygreen-ui-v22cck" href="https://www.mongodb.com/docs/drivers/java/sync/current/usage-examples/count/" target="_self">
    <svg class="leafygreen-ui-x3zji3" fill="none" height="24" viewbox="0 0 30 41" width="24" xmlns="http://www.w3.org/2000/svg">
     <path d="M10.0921 30.7949C10.0921 30.7949 8.57608 31.6793 11.166 31.9636C14.2929 32.311 15.9037 32.2794 19.3464 31.6161C19.3464 31.6161 20.2623 32.1846 21.5257 32.6901C13.7876 35.9748 4.02791 32.5005 10.0921 30.7949Z" fill="#0074BD">
     </path>
     <path d="M9.14539 26.4678C9.14539 26.4678 7.43985 27.7312 10.0298 27.9838C13.3778 28.3312 15.9992 28.3628 20.579 27.4785C20.579 27.4785 21.2107 28.1101 22.1898 28.4576C12.8724 31.2054 2.44949 28.6787 9.14539 26.4678Z" fill="#0074BD">
     </path>
     <path d="M17.1039 19.1398C18.9989 21.3191 16.5985 23.3089 16.5985 23.3089C16.5985 23.3089 21.431 20.8138 19.2201 17.6869C17.1355 14.7811 15.5563 13.3282 24.1788 8.33789C24.1473 8.33789 10.6607 11.6858 17.1039 19.1398Z" fill="#EA2D2E">
     </path>
     <path d="M27.3377 33.9845C27.3377 33.9845 28.4431 34.9004 26.1059 35.6269C21.6525 36.985 7.53417 37.3957 3.61769 35.6901C2.19639 35.0899 4.84949 34.2372 5.67069 34.0477C6.52347 33.8582 7.02884 33.8898 7.02884 33.8898C5.44961 32.7843 -3.10981 36.0691 2.67016 36.9851C18.4308 39.5433 31.4121 35.8164 27.3377 33.9845Z" fill="#0074BD">
     </path>
     <path d="M10.8194 21.983C10.8194 21.983 3.6497 23.6885 8.2926 24.3203C10.2509 24.5729 14.1357 24.5097 17.7995 24.2255C20.7685 23.9728 23.7375 23.4359 23.7375 23.4359C23.7375 23.4359 22.6951 23.8781 21.9372 24.415C14.6411 26.3416 0.585992 25.4257 4.62881 23.4675C8.00839 21.7935 10.8194 21.983 10.8194 21.983Z" fill="#0074BD">
     </path>
     <path d="M23.6745 29.1846C31.0969 25.3313 27.6542 21.6359 25.2538 22.1413C24.6537 22.2676 24.401 22.3623 24.401 22.3623C24.401 22.3623 24.6221 22.0149 25.0327 21.8886C29.7703 20.2146 33.4025 26.7842 23.5166 29.4057C23.5482 29.3741 23.6429 29.2794 23.6745 29.1846Z" fill="#0074BD">
     </path>
     <path d="M19.2206 0.25293C19.2206 0.25293 23.3266 4.35891 15.3357 10.6758C8.92404 15.7293 13.8828 18.6351 15.3357 21.9199C11.6087 18.5403 8.86088 15.5714 10.6928 12.792C13.3775 8.74919 20.863 6.79093 19.2206 0.25293Z" fill="#EA2D2E">
     </path>
     <path d="M11.5455 39.6068C18.6521 40.049 29.5803 39.3541 29.833 35.9746C29.833 35.9746 29.3276 37.238 23.9583 38.2487C17.894 39.3858 10.4085 39.2594 5.95508 38.533C5.95508 38.5646 6.87103 39.3225 11.5455 39.6068Z" fill="#0074BD">
     </path>
    </svg>
    <span>
     Java Sync
    </span>
   </a>
   <a class="leafygreen-ui-v22cck" href="https://www.mongodb.com/docs/drivers/node/current/usage-examples/count/" target="_self">
    <svg class="leafygreen-ui-x3zji3" fill="none" height="24" viewbox="0 0 30 30" width="24" xmlns="http://www.w3.org/2000/svg">
     <g clip-path="url(#clip0_2131_12968)">
      <mask height="19" id="mask0_2131_12968" maskunits="userSpaceOnUse" width="30" x="0" y="6">
       <path d="M30 6.04395H0V24.3825H30V6.04395Z" fill="white">
       </path>
      </mask>
      <g mask="url(#mask0_2131_12968)">
       <mask height="19" id="mask1_2131_12968" maskunits="userSpaceOnUse" width="30" x="0" y="6">
        <path d="M30 6.04395H0V24.3825H30V6.04395Z" fill="white">
        </path>
       </mask>
       <g mask="url(#mask1_2131_12968)">
        <path d="M14.8241 24.3823C14.7224 24.3823 14.6274 24.3552 14.5393 24.3078L13.6374 23.7731C13.5018 23.6986 13.5696 23.6715 13.6103 23.658C13.7934 23.597 13.8273 23.5835 14.0172 23.4751C14.0375 23.4616 14.0646 23.4684 14.085 23.4819L14.7767 23.8949C14.8038 23.9084 14.8377 23.9084 14.858 23.8949L17.5637 22.3311C17.5909 22.3176 17.6044 22.2905 17.6044 22.2567V19.136C17.6044 19.1021 17.5909 19.075 17.5637 19.0615L14.858 17.5045C14.8309 17.4909 14.797 17.4909 14.7767 17.5045L12.071 19.0615C12.0439 19.075 12.0302 19.1089 12.0302 19.136V22.2567C12.0302 22.2838 12.0439 22.3176 12.071 22.3311L12.8101 22.7576C13.2102 22.9607 13.4611 22.7237 13.4611 22.4868V19.4067C13.4611 19.3661 13.495 19.3255 13.5425 19.3255H13.8884C13.929 19.3255 13.9697 19.3593 13.9697 19.4067V22.4868C13.9697 23.0217 13.6781 23.333 13.1695 23.333C13.0136 23.333 12.8915 23.333 12.5457 23.1638L11.8336 22.7576C11.6574 22.6561 11.5488 22.4665 11.5488 22.2635V19.1427C11.5488 18.9396 11.6574 18.7501 11.8336 18.6485L14.5393 17.0848C14.7089 16.99 14.9394 16.99 15.109 17.0848L17.8146 18.6485C17.9909 18.7501 18.0995 18.9396 18.0995 19.1427V22.2635C18.0995 22.4665 17.9909 22.6561 17.8146 22.7576L15.109 24.3214C15.0276 24.3552 14.9259 24.3823 14.8241 24.3823Z" fill="black">
        </path>
        <path d="M15.6643 22.2362C14.4775 22.2362 14.2334 21.6946 14.2334 21.2343C14.2334 21.1936 14.2673 21.153 14.3147 21.153H14.6674C14.7081 21.153 14.742 21.1801 14.742 21.2207C14.7963 21.5795 14.9522 21.7555 15.671 21.7555C16.2407 21.7555 16.4847 21.6269 16.4847 21.3223C16.4847 21.1462 16.4169 21.0177 15.5286 20.9297C14.7895 20.8552 14.3284 20.6928 14.3284 20.1038C14.3284 19.5555 14.7895 19.2305 15.5625 19.2305C16.4305 19.2305 16.8577 19.5284 16.912 20.1782C16.912 20.1986 16.9052 20.2189 16.8916 20.2392C16.8781 20.2527 16.8577 20.2663 16.8374 20.2663H16.4779C16.4441 20.2663 16.4101 20.2392 16.4034 20.2053C16.322 19.833 16.1118 19.7111 15.5557 19.7111C14.9319 19.7111 14.8573 19.9278 14.8573 20.0902C14.8573 20.2866 14.9454 20.3475 15.7863 20.4558C16.6204 20.5641 17.0137 20.7198 17.0137 21.302C17.0137 21.8977 16.5187 22.2362 15.6643 22.2362Z" fill="black">
        </path>
        <path d="M19.5706 18.9597C19.5706 19.244 19.3333 19.481 19.0485 19.481C18.7636 19.481 18.5264 19.2507 18.5264 18.9597C18.5264 18.6618 18.7704 18.4385 19.0485 18.4385C19.3265 18.4385 19.5706 18.6686 19.5706 18.9597ZM18.6077 18.9597C18.6077 19.2034 18.8044 19.3997 19.0417 19.3997C19.2859 19.3997 19.4825 19.1967 19.4825 18.9597C19.4825 18.716 19.2859 18.5264 19.0417 18.5264C18.8111 18.5264 18.6077 18.716 18.6077 18.9597ZM18.8519 18.6686H19.0553C19.1231 18.6686 19.2587 18.6686 19.2587 18.8243C19.2587 18.9326 19.1909 18.9529 19.1502 18.9664C19.2316 18.9732 19.2384 19.0274 19.2451 19.1019C19.2519 19.1493 19.2587 19.2304 19.2722 19.2575H19.1502C19.1502 19.2304 19.1298 19.0815 19.1298 19.0748C19.1231 19.0409 19.1095 19.0274 19.0688 19.0274H18.9672V19.2643H18.8519V18.6686ZM18.9603 18.9258H19.0485C19.1231 18.9258 19.1366 18.8716 19.1366 18.8446C19.1366 18.7634 19.0824 18.7634 19.0485 18.7634H18.9535V18.9258H18.9603Z" fill="black">
        </path>
        <path clip-rule="evenodd" d="M6.43536 12.1766C6.43536 12.0548 6.36754 11.9397 6.25904 11.8788L3.39059 10.2202C3.34313 10.1932 3.28887 10.1796 3.23463 10.1729C3.22785 10.1729 3.20751 10.1729 3.20751 10.1729C3.15325 10.1729 3.09901 10.1932 3.05154 10.2202L0.176311 11.872C0.067812 11.9329 0 12.048 0 12.1766L0.00678119 16.6174C0.00678119 16.6783 0.0406871 16.7393 0.0949364 16.7663C0.149187 16.8002 0.216998 16.8002 0.264466 16.7663L1.97332 15.7915C2.08183 15.7306 2.14964 15.6155 2.14964 15.4936V13.4154C2.14964 13.2936 2.21745 13.1785 2.32595 13.1176L3.05154 12.6979C3.10579 12.664 3.16682 12.6505 3.22785 12.6505C3.28887 12.6505 3.34991 12.664 3.39738 12.6979L4.12297 13.1176C4.23147 13.1785 4.29927 13.2936 4.29927 13.4154V15.4936C4.29927 15.6155 4.36709 15.7306 4.47559 15.7915L6.17089 16.7663C6.22513 16.8002 6.29295 16.8002 6.3472 16.7663C6.40144 16.7393 6.43536 16.6783 6.43536 16.6174V12.1766Z" fill="black" fill-rule="evenodd">
        </path>
        <path clip-rule="evenodd" d="M20.2551 6.06425C20.201 6.03718 20.1332 6.03718 20.0857 6.06425C20.0314 6.0981 19.9975 6.15226 19.9975 6.21318V10.6133C19.9975 10.654 19.9771 10.6946 19.9364 10.7217C19.8958 10.742 19.8551 10.742 19.8144 10.7217L19.0956 10.3087C18.9871 10.2478 18.8582 10.2478 18.7498 10.3087L15.8746 11.9673C15.766 12.0282 15.6982 12.1433 15.6982 12.2651V15.5754C15.6982 15.6973 15.766 15.8123 15.8746 15.8732L18.7498 17.5318C18.8582 17.5927 18.9871 17.5927 19.0956 17.5318L21.9708 15.8732C22.0793 15.8123 22.1471 15.6973 22.1471 15.5754V7.32338C22.1471 7.19476 22.0793 7.07968 21.9708 7.01875L20.2551 6.06425ZM19.9907 14.4855C19.9907 14.5194 19.9771 14.5464 19.9501 14.56L18.9667 15.1286C18.9397 15.1421 18.9057 15.1421 18.8786 15.1286L17.8953 14.56C17.8682 14.5464 17.8547 14.5126 17.8547 14.4855V13.3482C17.8547 13.3144 17.8682 13.2873 17.8953 13.2738L18.8786 12.7051C18.9057 12.6916 18.9397 12.6916 18.9667 12.7051L19.9501 13.2738C19.9771 13.2873 19.9907 13.3212 19.9907 13.3482V14.4855Z" fill="black" fill-rule="evenodd">
        </path>
        <path clip-rule="evenodd" d="M29.8235 13.3214C29.932 13.2605 29.9931 13.1454 29.9931 13.0235V12.218C29.9931 12.0961 29.9253 11.981 29.8235 11.9201L26.9687 10.2683C26.8602 10.2074 26.7314 10.2074 26.6228 10.2683L23.7476 11.9269C23.6391 11.9878 23.5713 12.1029 23.5713 12.2247V15.535C23.5713 15.6569 23.6391 15.772 23.7476 15.8328L26.6025 17.4575C26.7109 17.5185 26.8398 17.5185 26.9415 17.4575L28.6707 16.4963C28.725 16.4692 28.7589 16.4083 28.7589 16.3474C28.7589 16.2864 28.725 16.2255 28.6707 16.1984L25.782 14.5399C25.7277 14.506 25.6938 14.4519 25.6938 14.391V13.3552C25.6938 13.2943 25.7277 13.2334 25.782 13.2063L26.6839 12.6918C26.7381 12.658 26.8059 12.658 26.8602 12.6918L27.7621 13.2063C27.8163 13.2402 27.8502 13.2943 27.8502 13.3552V14.1676C27.8502 14.2285 27.8841 14.2894 27.9384 14.3165C27.9927 14.3504 28.0605 14.3504 28.1147 14.3165L29.8235 13.3214Z" fill="black" fill-rule="evenodd">
        </path>
        <path clip-rule="evenodd" d="M26.7521 13.1654C26.7724 13.1519 26.7996 13.1519 26.8199 13.1654L27.3692 13.4836C27.3895 13.4971 27.4031 13.5174 27.4031 13.5445V14.1809C27.4031 14.2079 27.3895 14.2282 27.3692 14.2418L26.8199 14.5599C26.7996 14.5735 26.7724 14.5735 26.7521 14.5599L26.2028 14.2418C26.1825 14.2282 26.1689 14.2079 26.1689 14.1809V13.5445C26.1689 13.5174 26.1825 13.4971 26.2028 13.4836L26.7521 13.1654Z" fill="#5FA04E" fill-rule="evenodd">
        </path>
        <path d="M11.2331 10.2292C11.1227 10.1671 10.9917 10.1671 10.8814 10.2292L7.97807 11.9053C7.86772 11.9673 7.80566 12.0846 7.80566 12.2088V15.5679C7.80566 15.692 7.87462 15.8092 7.97807 15.8714L10.8814 17.5474C10.9917 17.6095 11.1227 17.6095 11.2331 17.5474L14.1364 15.8714C14.2467 15.8092 14.3088 15.692 14.3088 15.5679V12.2088C14.3088 12.0846 14.2398 11.9673 14.1364 11.9053L11.2331 10.2292Z" fill="black">
        </path>
        <path d="M14.1432 11.9059L11.2261 10.2298C11.1985 10.216 11.164 10.2022 11.1365 10.1953L7.875 15.7825C7.90258 15.817 7.94609 15.8673 7.98056 15.888L10.8813 17.548C10.9641 17.5963 11.0606 17.6101 11.1503 17.5825L14.219 11.968C14.1983 11.9404 14.1708 11.9197 14.1432 11.9059Z" fill="black">
        </path>
        <path d="M14.136 15.8715C14.2187 15.8231 14.2933 15.7327 14.2933 15.6236L11.1154 10.1879C11.0326 10.1741 10.943 10.181 10.8671 10.2293L7.9707 11.8985L11.0947 17.5958C11.1361 17.5889 11.1843 17.5751 11.2257 17.5544L14.136 15.8715Z" fill="url(#:R16v5qcmqn9:paint2)">
        </path>
       </g>
      </g>
     </g>
     <defs>
      <lineargradient gradientunits="userSpaceOnUse" id=":R16v5qcmqn9:paint0" x1="12.2396" x2="9.61385" y1="11.4775" y2="16.8331">
       <stop stop-color="#3F873F">
       </stop>
       <stop offset="0.3296" stop-color="#3F8B3D">
       </stop>
       <stop offset="0.6367" stop-color="#3E9638">
       </stop>
       <stop offset="0.9341" stop-color="#3DA92E">
       </stop>
       <stop offset="1" stop-color="#3DAE2B">
       </stop>
      </lineargradient>
      <lineargradient gradientunits="userSpaceOnUse" id=":R16v5qcmqn9:paint1" x1="10.6159" x2="17.9826" y1="14.2811" y2="8.83932">
       <stop offset="0.1376" stop-color="#3F873F">
       </stop>
       <stop offset="0.4016" stop-color="#52A044">
       </stop>
       <stop offset="0.7129" stop-color="#64B749">
       </stop>
       <stop offset="0.9081" stop-color="#6ABF4B">
       </stop>
      </lineargradient>
      <lineargradient gradientunits="userSpaceOnUse" id=":R16v5qcmqn9:paint2" x1="7.69907" x2="14.4172" y1="13.8874" y2="13.8874">
       <stop offset="0.0919165" stop-color="#6ABF4B">
       </stop>
       <stop offset="0.2871" stop-color="#64B749">
       </stop>
       <stop offset="0.5984" stop-color="#52A044">
       </stop>
       <stop offset="0.8624" stop-color="#3F873F">
       </stop>
      </lineargradient>
      <clippath id="clip0_2131_12968">
       <rect fill="white" height="18.427" transform="translate(0 6)" width="30">
       </rect>
      </clippath>
     </defs>
    </svg>
    <span>
     Node.js
    </span>
   </a>
   <a class="leafygreen-ui-v22cck" href="https://www.mongodb.com/docs/languages/python/pymongo-driver/current/read/count/#retrieve-an-estimated-count" target="_self">
    <svg class="leafygreen-ui-x3zji3" height="24" viewbox="0 0 111.6 147" width="24" xmlns="http://www.w3.org/2000/svg">
     <lineargradient gradienttransform="matrix(.5625 0 0 -.568 -160.323 -146.09)" gradientunits="userSpaceOnUse" id=":R18v5qcmqn9:aa" x1="280.848" x2="389.865" y1="-268.463" y2="-362.257">
      <stop offset="0" stop-color="#5a9fd4">
      </stop>
      <stop offset="1" stop-color="#306998">
      </stop>
     </lineargradient>
     <path d="M55.3 3.2c-4.6 0-9 .4-12.8 1.1-11.3 2-13.4 6.2-13.4 13.9v10.2h26.8v3.4H19c-7.8 0-14.6 4.7-16.8 13.6C-.3 55.6-.4 62 2.2 72.7c1.9 7.9 6.5 13.6 14.2 13.6h9.2V74c0-8.8 7.7-16.7 16.7-16.7h26.8c7.5 0 13.4-6.1 13.4-13.6V18.2c0-7.3-6.1-12.7-13.4-13.9-4.4-.8-9.2-1.1-13.8-1.1zm-14.5 8.2c2.8 0 5 2.3 5 5.1s-2.3 5.1-5 5.1c-2.8 0-5-2.3-5-5.1s2.2-5.1 5-5.1z" fill="url(#:R18v5qcmqn9:aa)">
     </path>
     <lineargradient gradienttransform="matrix(.5625 0 0 -.568 -160.323 -146.09)" gradientunits="userSpaceOnUse" id=":R18v5qcmqn9:bb" x1="432.011" x2="393.081" y1="-419.025" y2="-363.946">
      <stop offset="0" stop-color="#ffd43b">
      </stop>
      <stop offset="1" stop-color="#ffe873">
      </stop>
     </lineargradient>
     <path d="M86 31.8v11.9c0 9.2-7.8 17-16.8 17H42.5c-7.3 0-13.4 6.3-13.4 13.6v25.5c0 7.3 6.3 11.5 13.4 13.6 8.5 2.5 16.6 2.9 26.8 0 6.8-2 13.4-5.9 13.4-13.6V89.7H55.9v-3.4h40.2c7.8 0 10.7-5.4 13.4-13.6 2.8-8.4 2.7-16.5 0-27.3-1.9-7.8-5.6-13.6-13.4-13.6H86zM71 96.5c2.8 0 5 2.3 5 5.1s-2.3 5.1-5 5.1c-2.8 0-5-2.3-5-5.1-.1-2.8 2.2-5.1 5-5.1z" fill="url(#:R18v5qcmqn9:bb)">
     </path>
     <radialgradient cx="-2274.721" cy="144.526" gradienttransform="matrix(0 -.2399 -1.0547 0 208.637 -414.922)" gradientunits="userSpaceOnUse" id=":R18v5qcmqn9:cc" r="29.037">
      <stop offset="0" stop-color="#b8b8b8" stop-opacity=".498">
      </stop>
      <stop offset="1" stop-color="#7f7f7f" stop-opacity="0">
      </stop>
     </radialgradient>
     <path d="M92.1 130.9c0 3.8-16.1 7-35.9 7s-35.9-3.1-35.9-7c0-3.8 16.1-7 35.9-7s35.9 3.1 35.9 7z" fill="url(#:R18v5qcmqn9:cc)" opacity=".444">
     </path>
    </svg>
    <span>
     PyMongo
    </span>
   </a>
   <a class="leafygreen-ui-18cpm0b" href="https://mongoc.org/libmongoc/current/mongoc_collection_estimated_document_count.html" target="_self">
    <svg class="leafygreen-ui-x3zji3" fill="none" height="24" viewbox="0 0 28 29" width="24" xmlns="http://www.w3.org/2000/svg">
     <g clip-path="url(#clip0_1351_59955)">
      <g clip-path="url(#clip1_1351_59955)">
       <path clip-rule="evenodd" d="M13.118 1.49532C13.5403 1.25103 14.0559 1.25103 14.4783 1.49532C16.5652 2.70389 22.8385 6.34889 24.9193 7.55748C25.3416 7.80172 25.6025 8.25176 25.6025 8.74672C25.6025 11.1703 25.6025 18.4539 25.6025 20.8774C25.6025 21.366 25.3416 21.8224 24.9193 22.0667C22.8385 23.2753 16.5652 26.9203 14.4783 28.1289C14.0559 28.3732 13.5403 28.3732 13.118 28.1289C11.0373 26.9139 4.76398 23.2689 2.68323 22.0603C2.26087 21.816 2 21.366 2 20.871C2 18.4474 2 11.1639 2 8.7403C2 8.25176 2.26087 7.7953 2.68323 7.55106C4.76398 6.34889 11.0373 2.70389 13.118 1.49532Z" fill="#004482" fill-rule="evenodd">
       </path>
       <path clip-rule="evenodd" d="M2.18634 21.4946C2.01863 21.2632 2 21.051 2 20.7553C2 18.351 2 11.1061 2 8.70176C2 8.21317 2.26087 7.76319 2.67702 7.51889C4.75776 6.31675 11.0062 2.69104 13.0807 1.4889C13.5031 1.24461 14.0683 1.25104 14.4907 1.49533C16.5652 2.69747 22.795 6.29104 24.8696 7.49319C25.0373 7.58963 25.1677 7.70535 25.2795 7.86606L2.18634 21.4946Z" fill="#659AD2" fill-rule="evenodd">
       </path>
       <path clip-rule="evenodd" d="M13.8011 5.8089C18.6024 5.8089 22.4968 9.83964 22.4968 14.8089C22.4968 19.7782 18.6024 23.8089 13.8011 23.8089C8.99986 23.8089 5.10547 19.7782 5.10547 14.8089C5.10547 9.83964 8.99986 5.8089 13.8011 5.8089ZM13.8011 10.3089C16.1987 10.3089 18.1489 12.3275 18.1489 14.8089C18.1489 17.2903 16.1987 19.3089 13.8011 19.3089C11.4036 19.3089 9.4533 17.2903 9.4533 14.8089C9.4533 12.3275 11.4036 10.3089 13.8011 10.3089Z" fill="white" fill-rule="evenodd">
       </path>
       <path clip-rule="evenodd" d="M25.2857 7.87247C25.6087 8.18102 25.6025 8.65034 25.6025 9.01673C25.6025 11.4596 25.5839 18.396 25.6087 20.8325C25.6087 21.0896 25.528 21.3532 25.4099 21.5589L13.5466 14.8089L25.2857 7.87247Z" fill="#00599C" fill-rule="evenodd">
       </path>
      </g>
     </g>
     <defs>
      <clippath id="clip0_1351_59955">
       <rect fill="white" height="28" transform="translate(0 0.809265)" width="28">
       </rect>
      </clippath>
      <clippath id="clip1_1351_59955">
       <rect fill="white" height="27" transform="translate(2 1.30887)" width="24">
       </rect>
      </clippath>
     </defs>
    </svg>
    <span>
     C
    </span>
   </a>
   <a class="leafygreen-ui-18cpm0b" href="https://www.mongodb.com/docs/languages/cpp/cpp-driver/upcoming/read/count/#retrieve-an-estimated-count" target="_self">
    <svg class="leafygreen-ui-x3zji3" fill="none" height="24" viewbox="0 0 28 29" width="24" xmlns="http://www.w3.org/2000/svg">
     <g clip-path="url(#clip0_1351_59959)">
      <g clip-path="url(#clip1_1351_59959)">
       <path d="M25.4013 21.5646C25.5872 21.2353 25.7034 20.8745 25.7034 20.5373V9.08012C25.7034 8.75078 25.5872 8.38217 25.4013 8.05283L13.8516 14.8127L25.4013 21.5646Z" fill="#00599C">
       </path>
       <path d="M14.8738 28.0657L24.6729 22.3411C24.9517 22.1764 25.2151 21.8941 25.401 21.5647L13.8513 14.8127L2.30151 21.5647C2.48743 21.8941 2.74305 22.1764 3.02967 22.3411L12.8288 28.0657C13.3865 28.3951 14.316 28.3951 14.8738 28.0657Z" fill="#004482">
       </path>
       <path d="M25.4011 8.06086C25.2152 7.73146 24.9596 7.44915 24.673 7.2845L14.8739 1.55983C14.3084 1.23046 13.3866 1.23046 12.8211 1.55983L3.02202 7.2845C2.46429 7.61385 1.99951 8.42158 1.99951 9.08033V20.5375C1.99951 20.8669 2.11571 21.2354 2.30162 21.5647L13.8514 14.8128L25.4011 8.06086Z" fill="#659AD2">
       </path>
       <path d="M13.8512 22.8115C9.49778 22.8115 5.94995 19.2199 5.94995 14.8127C5.94995 10.4055 9.49778 6.81387 13.8512 6.81387C16.6631 6.81387 19.2813 8.34305 20.6912 10.8133L17.2751 12.813C16.5701 11.5818 15.261 10.8133 13.8512 10.8133C11.6745 10.8133 9.90055 12.6091 9.90055 14.8127C9.90055 17.0163 11.6745 18.8121 13.8512 18.8121C15.261 18.8121 16.5701 18.0436 17.2751 16.8124L20.6912 18.8121C19.2813 21.2745 16.6631 22.8115 13.8512 22.8115Z" fill="white">
       </path>
       <path d="M21.7524 14.3657H20.8771V13.4796H19.994V14.3657H19.1187V15.2518H19.994V16.1458H20.8771V15.2518H21.7524V14.3657Z" fill="white">
       </path>
       <path d="M25.0446 14.3657H24.1693V13.4796H23.2862V14.3657H22.4109V15.2518H23.2862V16.1458H24.1693V15.2518H25.0446V14.3657Z" fill="white">
       </path>
      </g>
     </g>
     <defs>
      <clippath id="clip0_1351_59959">
       <rect fill="white" height="28" transform="translate(0 0.809265)" width="28">
       </rect>
      </clippath>
      <clippath id="clip1_1351_59959">
       <rect fill="white" height="27" transform="translate(1.99951 1.30878)" width="24">
       </rect>
      </clippath>
     </defs>
    </svg>
    <span>
     C++
    </span>
   </a>
   <a class="leafygreen-ui-18cpm0b" href="https://www.mongodb.com/docs/drivers/go/current/fundamentals/crud/read-operations/count/#estimated-count" target="_self">
    <svg class="leafygreen-ui-x3zji3" height="24" id="Layer_1" style="fill:#00ACD7" version="1.1" viewbox="0 0 205.4 76.7" width="24" x="0" xmlns="http://www.w3.org/2000/svg" y="0">
     <path class="st00" d="M15.5 23.2c-.4 0-.5-.2-.3-.5l2.1-2.7c.2-.3.7-.5 1.1-.5h35.7c.4 0 .5.3.3.6l-1.7 2.6c-.2.3-.7.6-1 .6l-36.2-.1zM.4 32.4c-.4 0-.5-.2-.3-.5l2.1-2.7c.2-.3.7-.5 1.1-.5h45.6c.4 0 .6.3.5.6l-.8 2.4c-.1.4-.5.6-.9.6l-47.3.1zM24.6 41.6c-.4 0-.5-.3-.3-.6l1.4-2.5c.2-.3.6-.6 1-.6h20c.4 0 .6.3.6.7l-.2 2.4c0 .4-.4.7-.7.7l-21.8-.1z">
     </path>
     <g id="CXHf1q_3_">
      <path class="st00" d="M128.4 21.4c-6.3 1.6-10.6 2.8-16.8 4.4-1.5.4-1.6.5-2.9-1-1.5-1.7-2.6-2.8-4.7-3.8-6.3-3.1-12.4-2.2-18.1 1.5-6.8 4.4-10.3 10.9-10.2 19 .1 8 5.6 14.6 13.5 15.7 6.8.9 12.5-1.5 17-6.6.9-1.1 1.7-2.3 2.7-3.7H89.6c-2.1 0-2.6-1.3-1.9-3 1.3-3.1 3.7-8.3 5.1-10.9.3-.6 1-1.6 2.5-1.6h36.4c-.2 2.7-.2 5.4-.6 8.1-1.1 7.2-3.8 13.8-8.2 19.6-7.2 9.5-16.6 15.4-28.5 17-9.8 1.3-18.9-.6-26.9-6.6-7.4-5.6-11.6-13-12.7-22.2-1.3-10.9 1.9-20.7 8.5-29.3C70.4 8.7 79.8 2.8 91.3.7c9.4-1.7 18.4-.6 26.5 4.9 5.3 3.5 9.1 8.3 11.6 14.1.6.9.2 1.4-1 1.7z">
      </path>
      <path class="st00" d="M161.5 76.7c-9.1-.2-17.4-2.8-24.4-8.8-5.9-5.1-9.6-11.6-10.8-19.3-1.8-11.3 1.3-21.3 8.1-30.2 7.3-9.6 16.1-14.6 28-16.7 10.2-1.8 19.8-.8 28.5 5.1 7.9 5.4 12.8 12.7 14.1 22.3 1.7 13.5-2.2 24.5-11.5 33.9-6.6 6.7-14.7 10.9-24 12.8-2.7.5-5.4.6-8 .9zm23.8-40.4c-.1-1.3-.1-2.3-.3-3.3-1.8-9.9-10.9-15.5-20.4-13.3-9.3 2.1-15.3 8-17.5 17.4-1.8 7.8 2 15.7 9.2 18.9 5.5 2.4 11 2.1 16.3-.6 7.9-4.1 12.2-10.5 12.7-19.1z">
      </path>
     </g>
    </svg>
    <span>
     Go
    </span>
   </a>
   <a class="leafygreen-ui-18cpm0b" href="https://mongodb.github.io/mongo-java-driver/5.2/apidocs/mongodb-driver-reactivestreams/com/mongodb/reactivestreams/client/MongoCollection.html#estimatedDocumentCount()" target="_self">
    <svg class="leafygreen-ui-x3zji3" fill="none" height="24" viewbox="0 0 30 41" width="24" xmlns="http://www.w3.org/2000/svg">
     <path d="M10.0921 30.7949C10.0921 30.7949 8.57608 31.6793 11.166 31.9636C14.2929 32.311 15.9037 32.2794 19.3464 31.6161C19.3464 31.6161 20.2623 32.1846 21.5257 32.6901C13.7876 35.9748 4.02791 32.5005 10.0921 30.7949Z" fill="#0074BD">
     </path>
     <path d="M9.14539 26.4678C9.14539 26.4678 7.43985 27.7312 10.0298 27.9838C13.3778 28.3312 15.9992 28.3628 20.579 27.4785C20.579 27.4785 21.2107 28.1101 22.1898 28.4576C12.8724 31.2054 2.44949 28.6787 9.14539 26.4678Z" fill="#0074BD">
     </path>
     <path d="M17.1039 19.1398C18.9989 21.3191 16.5985 23.3089 16.5985 23.3089C16.5985 23.3089 21.431 20.8138 19.2201 17.6869C17.1355 14.7811 15.5563 13.3282 24.1788 8.33789C24.1473 8.33789 10.6607 11.6858 17.1039 19.1398Z" fill="#EA2D2E">
     </path>
     <path d="M27.3377 33.9845C27.3377 33.9845 28.4431 34.9004 26.1059 35.6269C21.6525 36.985 7.53417 37.3957 3.61769 35.6901C2.19639 35.0899 4.84949 34.2372 5.67069 34.0477C6.52347 33.8582 7.02884 33.8898 7.02884 33.8898C5.44961 32.7843 -3.10981 36.0691 2.67016 36.9851C18.4308 39.5433 31.4121 35.8164 27.3377 33.9845Z" fill="#0074BD">
     </path>
     <path d="M10.8194 21.983C10.8194 21.983 3.6497 23.6885 8.2926 24.3203C10.2509 24.5729 14.1357 24.5097 17.7995 24.2255C20.7685 23.9728 23.7375 23.4359 23.7375 23.4359C23.7375 23.4359 22.6951 23.8781 21.9372 24.415C14.6411 26.3416 0.585992 25.4257 4.62881 23.4675C8.00839 21.7935 10.8194 21.983 10.8194 21.983Z" fill="#0074BD">
     </path>
     <path d="M23.6745 29.1846C31.0969 25.3313 27.6542 21.6359 25.2538 22.1413C24.6537 22.2676 24.401 22.3623 24.401 22.3623C24.401 22.3623 24.6221 22.0149 25.0327 21.8886C29.7703 20.2146 33.4025 26.7842 23.5166 29.4057C23.5482 29.3741 23.6429 29.2794 23.6745 29.1846Z" fill="#0074BD">
     </path>
     <path d="M19.2206 0.25293C19.2206 0.25293 23.3266 4.35891 15.3357 10.6758C8.92404 15.7293 13.8828 18.6351 15.3357 21.9199C11.6087 18.5403 8.86088 15.5714 10.6928 12.792C13.3775 8.74919 20.863 6.79093 19.2206 0.25293Z" fill="#EA2D2E">
     </path>
     <path d="M11.5455 39.6068C18.6521 40.049 29.5803 39.3541 29.833 35.9746C29.833 35.9746 29.3276 37.238 23.9583 38.2487C17.894 39.3858 10.4085 39.2594 5.95508 38.533C5.95508 38.5646 6.87103 39.3225 11.5455 39.6068Z" fill="#0074BD">
     </path>
    </svg>
    <span>
     Java RS
    </span>
   </a>
   <a class="leafygreen-ui-18cpm0b" href="https://www.mongodb.com/docs/drivers/kotlin/coroutine/current/usage-examples/count/" target="_self">
    <svg class="leafygreen-ui-x3zji3" fill="none" height="24" viewbox="0 0 28 29" width="24" xmlns="http://www.w3.org/2000/svg">
     <path d="M28 29H0V1H28L14 15L28 29Z" fill="url(#:R1iv5qcmqn9:paint0_linear_211_40588)">
     </path>
     <defs>
      <lineargradient gradientunits="userSpaceOnUse" id=":R1iv5qcmqn9:paint0_linear_211_40588" x1="28" x2="8.34465e-07" y1="0.999999" y2="29">
       <stop offset="0.00343514" stop-color="#E44857">
       </stop>
       <stop offset="0.4689" stop-color="#C711E1">
       </stop>
       <stop offset="1" stop-color="#7F52FF">
       </stop>
      </lineargradient>
     </defs>
    </svg>
    <span>
     Kotlin Coroutine
    </span>
   </a>
   <a class="leafygreen-ui-18cpm0b" href="https://www.mongodb.com/docs/languages/kotlin/kotlin-sync-driver/current/read/count/#retrieve-an-estimated-count" target="_self">
    <svg class="leafygreen-ui-x3zji3" fill="none" height="24" viewbox="0 0 28 29" width="24" xmlns="http://www.w3.org/2000/svg">
     <path d="M28 29H0V1H28L14 15L28 29Z" fill="url(#:R1kv5qcmqn9:paint0_linear_211_40588)">
     </path>
     <defs>
      <lineargradient gradientunits="userSpaceOnUse" id=":R1kv5qcmqn9:paint0_linear_211_40588" x1="28" x2="8.34465e-07" y1="0.999999" y2="29">
       <stop offset="0.00343514" stop-color="#E44857">
       </stop>
       <stop offset="0.4689" stop-color="#C711E1">
       </stop>
       <stop offset="1" stop-color="#7F52FF">
       </stop>
      </lineargradient>
     </defs>
    </svg>
    <span>
     Kotlin Sync
    </span>
   </a>
   <a class="leafygreen-ui-18cpm0b" href="https://www.mongodb.com/docs/php-library/current/read/count/#retrieve-an-estimated-count" target="_self">
    <svg class="leafygreen-ui-x3zji3" height="24" viewbox="0 0 700 301" width="24" x="0" xmlns="http://www.w3.org/2000/svg" y="0">
     <defs>
      <clippath clippathunits="userSpaceOnUse" id="a">
       <path d="M11.52 162C11.52 81.677 135.307 16.561 288 16.561S564.481 81.677 564.481 162c0 80.322-123.788 145.439-276.481 145.439-152.693 0-276.48-65.117-276.48-145.439">
       </path>
      </clippath>
      <clippath clippathunits="userSpaceOnUse" id="c">
       <path d="M0 324h576V0H0v324z">
       </path>
      </clippath>
      <clippath clippathunits="userSpaceOnUse" id="d">
       <path d="M0 324h576V0H0v324z">
       </path>
      </clippath>
      <radialgradient cx="0" cy="0" fx="0" fy="0" gradienttransform="matrix(363.05789 0 0 -363.05789 177.52 256.307)" gradientunits="userSpaceOnUse" id="b" r="1" spreadmethod="pad">
       <stop offset="0" stop-color="#aeb2d5">
       </stop>
       <stop offset=".3" stop-color="#aeb2d5">
       </stop>
       <stop offset=".75" stop-color="#484c89">
       </stop>
       <stop offset="1" stop-color="#484c89">
       </stop>
      </radialgradient>
     </defs>
     <g clip-path="url(#a)" transform="matrix(1.25 0 0 -1.25 -4.4 394.299)">
      <path d="M11.52 162C11.52 81.677 135.307 16.561 288 16.561S564.481 81.677 564.481 162c0 80.322-123.788 145.439-276.481 145.439-152.693 0-276.48-65.117-276.48-145.439" fill="url(#b)">
      </path>
     </g>
     <g clip-path="url(#c)" transform="matrix(1.25 0 0 -1.25 -4.4 394.299)">
      <path d="M288 27.36c146.729 0 265.68 60.28 265.68 134.64 0 74.36-118.951 134.641-265.68 134.641S22.32 236.36 22.32 162.001C22.32 87.64 141.271 27.358 288 27.358" fill="#777bb3">
      </path>
     </g>
     <g clip-path="url(#d)" transform="matrix(1.25 0 0 -1.25 -4.4 394.299)">
      <path d="M161.734 145.307c12.065 0 21.072 2.225 26.771 6.61 5.638 4.342 9.532 11.863 11.573 22.354 1.903 9.806 1.178 16.653-2.154 20.348-3.407 3.774-10.773 5.688-21.893 5.688h-19.28l-10.69-55h15.673zm-63.063-67.75a2.998 2.998 0 00-2.944 3.572l28.328 145.75a3 3 0 002.945 2.428h61.054c19.188 0 33.47-5.21 42.447-15.487 9.025-10.331 11.812-24.772 8.283-42.921-1.436-7.394-3.906-14.261-7.34-20.41-3.44-6.154-7.985-11.85-13.512-16.93-6.616-6.191-14.104-10.681-22.236-13.323-8.003-2.607-18.28-3.93-30.548-3.93h-24.722l-7.06-36.321a3 3 0 00-2.944-2.428h-31.75z">
      </path>
      <path d="M159.224 197.307h16.808c13.42 0 18.083-2.945 19.667-4.7 2.628-2.914 3.124-9.058 1.435-17.767-1.898-9.75-5.416-16.663-10.458-20.545-5.162-3.974-13.554-5.988-24.941-5.988H149.7l9.523 49zm28.83 35H127a6 6 0 01-5.89-4.855L92.784 81.702a6 6 0 015.889-7.144h31.75a6 6 0 015.89 4.854l6.588 33.895h22.249c12.582 0 23.174 1.372 31.479 4.077 8.54 2.775 16.399 7.48 23.354 13.984 5.752 5.292 10.49 11.232 14.08 17.657 3.59 6.427 6.17 13.594 7.668 21.302 3.715 19.104.697 34.402-8.97 45.466-9.571 10.958-24.613 16.514-44.705 16.514m-45.633-90h19.313c12.8 0 22.336 2.411 28.6 7.234 6.267 4.824 10.493 12.875 12.689 24.157 2.1 10.832 1.144 18.476-2.871 22.93-4.02 4.452-12.06 6.68-24.121 6.68h-21.754l-11.856-61m45.633 84c18.367 0 31.766-4.82 40.188-14.462 8.42-9.64 10.957-23.098 7.597-40.375-1.383-7.117-3.722-13.624-7.015-19.519-3.297-5.899-7.602-11.293-12.922-16.184-6.34-5.933-13.383-10.16-21.133-12.679-7.75-2.525-17.621-3.782-29.621-3.782h-27.196l-7.531-38.75h-31.75L127 226.307h61.055" fill="#fff">
      </path>
      <path d="M311.583 116.307c-.896 0-1.745.4-2.314 1.092a2.994 2.994 0 00-.631 2.48l12.531 64.489c1.192 6.133.898 10.535-.827 12.395-1.056 1.137-4.228 3.044-13.607 3.044h-22.702l-15.755-81.072a3 3 0 00-2.945-2.428h-31.5a2.998 2.998 0 00-2.945 3.572l28.328 145.75a3 3 0 002.945 2.428h31.5a3 3 0 002.945-3.572l-6.836-35.178h24.422c18.605 0 31.221-3.28 38.569-10.028 7.49-6.884 9.827-17.891 6.947-32.72l-13.18-67.824a3 3 0 00-2.945-2.428h-32z">
      </path>
      <path d="M293.661 271.057h-31.5a6 6 0 01-5.89-4.855l-28.328-145.75a5.998 5.998 0 015.89-7.145h31.5a6 6 0 015.89 4.855l15.283 78.645h20.23c9.362 0 11.327-2 11.406-2.086.568-.61 1.315-3.44.082-9.78l-12.53-64.49a5.998 5.998 0 015.89-7.144h32a6 6 0 015.89 4.855l13.178 67.825c3.093 15.921.447 27.864-7.86 35.5-7.929 7.281-21.209 10.82-40.6 10.82h-20.784l6.143 31.605a6.001 6.001 0 01-5.89 7.145m0-6l-7.53-38.75h28.061c17.657 0 29.836-3.082 36.54-9.238 6.702-6.16 8.71-16.14 6.031-29.938l-13.18-67.824h-32l12.531 64.488c1.426 7.336.902 12.34-1.574 15.008-2.477 2.668-7.746 4.004-15.805 4.004H281.56l-16.226-83.5h-31.5l28.328 145.75h31.5" fill="#fff">
      </path>
      <path d="M409.55 145.307c12.065 0 21.072 2.225 26.77 6.61 5.639 4.34 9.533 11.862 11.575 22.354 1.903 9.806 1.178 16.653-2.155 20.348-3.407 3.774-10.773 5.688-21.893 5.688h-19.281l-10.69-55h15.674zm-63.062-67.75a2.999 2.999 0 00-2.945 3.572l28.328 145.75a3.002 3.002 0 002.946 2.428h61.053c19.189 0 33.47-5.21 42.448-15.487 9.025-10.33 11.81-24.771 8.283-42.921-1.438-7.394-3.907-14.261-7.342-20.41-3.44-6.154-7.984-11.85-13.511-16.93-6.616-6.191-14.104-10.681-22.236-13.323-8.003-2.607-18.281-3.93-30.548-3.93H388.24l-7.057-36.321a3.001 3.001 0 00-2.946-2.428h-31.75z">
      </path>
      <path d="M407.04 197.307h16.807c13.421 0 18.083-2.945 19.667-4.7 2.63-2.914 3.125-9.058 1.435-17.766-1.898-9.75-5.417-16.664-10.458-20.546-5.162-3.974-13.554-5.988-24.94-5.988h-12.034l9.522 49zm28.83 35h-61.054a6 6 0 01-5.889-4.855L340.6 81.702a6 6 0 015.889-7.144h31.75a6 6 0 015.89 4.854l6.587 33.895h22.25c12.581 0 23.173 1.372 31.478 4.077 8.541 2.775 16.401 7.481 23.356 13.986 5.752 5.291 10.488 11.23 14.078 17.655 3.591 6.427 6.171 13.594 7.668 21.302 3.715 19.105.697 34.403-8.969 45.467-9.572 10.957-24.613 16.513-44.706 16.513m-45.632-90h19.312c12.801 0 22.336 2.411 28.601 7.234 6.267 4.824 10.492 12.875 12.688 24.157 2.102 10.832 1.145 18.476-2.87 22.93-4.02 4.452-12.06 6.68-24.122 6.68h-21.754l-11.855-61m45.632 84c18.367 0 31.766-4.82 40.188-14.462 8.422-9.64 10.957-23.098 7.597-40.375-1.383-7.117-3.722-13.624-7.015-19.519-3.297-5.899-7.602-11.293-12.922-16.184-6.34-5.933-13.383-10.16-21.133-12.679-7.75-2.525-17.62-3.782-29.62-3.782h-27.197l-7.53-38.75h-31.75l28.328 145.75h61.054" fill="#fff">
      </path>
     </g>
    </svg>
    <span>
     PHP
    </span>
   </a>
   <a class="leafygreen-ui-18cpm0b" href="https://www.mongodb.com/docs/mongoid/current/reference/queries/#additional-query-methods" target="_self">
    <svg class="leafygreen-ui-x3zji3" height="24" preserveaspectratio="xMidYMid" viewbox="0 0 300 240" width="24" xmlns="http://www.w3.org/2000/svg">
     <defs>
      <lineargradient id=":R1ov5qcmqn9:a" x1="84.75%" x2="58.254%" y1="111.399%" y2="64.584%">
       <stop offset="0%" stop-color="#FB7655">
       </stop>
       <stop offset="0%" stop-color="#FB7655">
       </stop>
       <stop offset="41%" stop-color="#E42B1E">
       </stop>
       <stop offset="99%" stop-color="#900">
       </stop>
       <stop offset="100%" stop-color="#900">
       </stop>
      </lineargradient>
      <lineargradient id=":R1ov5qcmqn9:b" x1="116.651%" x2="1.746%" y1="60.89%" y2="19.288%">
       <stop offset="0%" stop-color="#871101">
       </stop>
       <stop offset="0%" stop-color="#871101">
       </stop>
       <stop offset="99%" stop-color="#911209">
       </stop>
       <stop offset="100%" stop-color="#911209">
       </stop>
      </lineargradient>
      <lineargradient id=":R1ov5qcmqn9:c" x1="75.774%" x2="38.978%" y1="219.327%" y2="7.829%">
       <stop offset="0%" stop-color="#871101">
       </stop>
       <stop offset="0%" stop-color="#871101">
       </stop>
       <stop offset="99%" stop-color="#911209">
       </stop>
       <stop offset="100%" stop-color="#911209">
       </stop>
      </lineargradient>
      <lineargradient id=":R1ov5qcmqn9:d" x1="50.012%" x2="66.483%" y1="7.234%" y2="79.135%">
       <stop offset="0%" stop-color="#FFF">
       </stop>
       <stop offset="0%" stop-color="#FFF">
       </stop>
       <stop offset="23%" stop-color="#E57252">
       </stop>
       <stop offset="46%" stop-color="#DE3B20">
       </stop>
       <stop offset="99%" stop-color="#A60003">
       </stop>
       <stop offset="100%" stop-color="#A60003">
       </stop>
      </lineargradient>
      <lineargradient id=":R1ov5qcmqn9:e" x1="46.174%" x2="49.932%" y1="16.348%" y2="83.047%">
       <stop offset="0%" stop-color="#FFF">
       </stop>
       <stop offset="0%" stop-color="#FFF">
       </stop>
       <stop offset="23%" stop-color="#E4714E">
       </stop>
       <stop offset="56%" stop-color="#BE1A0D">
       </stop>
       <stop offset="99%" stop-color="#A80D00">
       </stop>
       <stop offset="100%" stop-color="#A80D00">
       </stop>
      </lineargradient>
      <lineargradient id=":R1ov5qcmqn9:f" x1="36.965%" x2="49.528%" y1="15.594%" y2="92.478%">
       <stop offset="0%" stop-color="#FFF">
       </stop>
       <stop offset="0%" stop-color="#FFF">
       </stop>
       <stop offset="18%" stop-color="#E46342">
       </stop>
       <stop offset="40%" stop-color="#C82410">
       </stop>
       <stop offset="99%" stop-color="#A80D00">
       </stop>
       <stop offset="100%" stop-color="#A80D00">
       </stop>
      </lineargradient>
      <lineargradient id=":R1ov5qcmqn9:g" x1="13.609%" x2="85.764%" y1="58.346%" y2="-46.717%">
       <stop offset="0%" stop-color="#FFF">
       </stop>
       <stop offset="0%" stop-color="#FFF">
       </stop>
       <stop offset="54%" stop-color="#C81F11">
       </stop>
       <stop offset="99%" stop-color="#BF0905">
       </stop>
       <stop offset="100%" stop-color="#BF0905">
       </stop>
      </lineargradient>
      <lineargradient id=":R1ov5qcmqn9:h" x1="27.624%" x2="50.745%" y1="21.135%" y2="79.056%">
       <stop offset="0%" stop-color="#FFF">
       </stop>
       <stop offset="0%" stop-color="#FFF">
       </stop>
       <stop offset="31%" stop-color="#DE4024">
       </stop>
       <stop offset="99%" stop-color="#BF190B">
       </stop>
       <stop offset="100%" stop-color="#BF190B">
       </stop>
      </lineargradient>
      <lineargradient id=":R1ov5qcmqn9:i" x1="-20.667%" x2="104.242%" y1="122.282%" y2="-6.342%">
       <stop offset="0%" stop-color="#BD0012">
       </stop>
       <stop offset="0%" stop-color="#BD0012">
       </stop>
       <stop offset="7%" stop-color="#FFF">
       </stop>
       <stop offset="17%" stop-color="#FFF">
       </stop>
       <stop offset="27%" stop-color="#C82F1C">
       </stop>
       <stop offset="33%" stop-color="#820C01">
       </stop>
       <stop offset="46%" stop-color="#A31601">
       </stop>
       <stop offset="72%" stop-color="#B31301">
       </stop>
       <stop offset="99%" stop-color="#E82609">
       </stop>
       <stop offset="100%" stop-color="#E82609">
       </stop>
      </lineargradient>
      <lineargradient id=":R1ov5qcmqn9:j" x1="58.792%" x2="11.964%" y1="65.205%" y2="50.128%">
       <stop offset="0%" stop-color="#8C0C01">
       </stop>
       <stop offset="0%" stop-color="#8C0C01">
       </stop>
       <stop offset="54%" stop-color="#990C00">
       </stop>
       <stop offset="99%" stop-color="#A80D0E">
       </stop>
       <stop offset="100%" stop-color="#A80D0E">
       </stop>
      </lineargradient>
      <lineargradient id=":R1ov5qcmqn9:k" x1="79.319%" x2="23.088%" y1="62.754%" y2="17.888%">
       <stop offset="0%" stop-color="#7E110B">
       </stop>
       <stop offset="0%" stop-color="#7E110B">
       </stop>
       <stop offset="99%" stop-color="#9E0C00">
       </stop>
       <stop offset="100%" stop-color="#9E0C00">
       </stop>
      </lineargradient>
      <lineargradient id=":R1ov5qcmqn9:l" x1="92.88%" x2="59.841%" y1="74.122%" y2="39.704%">
       <stop offset="0%" stop-color="#79130D">
       </stop>
       <stop offset="0%" stop-color="#79130D">
       </stop>
       <stop offset="99%" stop-color="#9E120B">
       </stop>
       <stop offset="100%" stop-color="#9E120B">
       </stop>
      </lineargradient>
      <lineargradient id=":R1ov5qcmqn9:o" x1="56.57%" x2="3.105%" y1="101.717%" y2="11.993%">
       <stop offset="0%" stop-color="#8B2114">
       </stop>
       <stop offset="0%" stop-color="#8B2114">
       </stop>
       <stop offset="43%" stop-color="#9E100A">
       </stop>
       <stop offset="99%" stop-color="#B3100C">
       </stop>
       <stop offset="100%" stop-color="#B3100C">
       </stop>
      </lineargradient>
      <lineargradient id=":R1ov5qcmqn9:p" x1="30.87%" x2="92.471%" y1="35.599%" y2="100.694%">
       <stop offset="0%" stop-color="#B31000">
       </stop>
       <stop offset="0%" stop-color="#B31000">
       </stop>
       <stop offset="44%" stop-color="#910F08">
       </stop>
       <stop offset="99%" stop-color="#791C12">
       </stop>
       <stop offset="100%" stop-color="#791C12">
       </stop>
      </lineargradient>
      <radialgradient cx="32.001%" cy="40.21%" fx="32.001%" fy="40.21%" id=":R1ov5qcmqn9:m" r="69.573%">
       <stop offset="0%" stop-color="#A80D00">
       </stop>
       <stop offset="0%" stop-color="#A80D00">
       </stop>
       <stop offset="99%" stop-color="#7E0E08">
       </stop>
       <stop offset="100%" stop-color="#7E0E08">
       </stop>
      </radialgradient>
      <radialgradient cx="13.549%" cy="40.86%" fx="13.549%" fy="40.86%" id=":R1ov5qcmqn9:n" r="88.386%">
       <stop offset="0%" stop-color="#A30C00">
       </stop>
       <stop offset="0%" stop-color="#A30C00">
       </stop>
       <stop offset="99%" stop-color="#800E08">
       </stop>
       <stop offset="100%" stop-color="#800E08">
       </stop>
      </radialgradient>
     </defs>
     <path d="M197.467 167.764l-145.52 86.41 188.422-12.787L254.88 51.393l-57.414 116.37z" fill="url(#:R1ov5qcmqn9:a)">
     </path>
     <path d="M240.677 241.257L224.482 129.48l-44.113 58.25 60.308 53.528z" fill="url(#:R1ov5qcmqn9:b)">
     </path>
     <path d="M240.896 241.257l-118.646-9.313-69.674 21.986 188.32-12.673z" fill="url(#:R1ov5qcmqn9:c)">
     </path>
     <path d="M52.744 253.955l29.64-97.1L17.16 170.8l35.583 83.154z" fill="url(#:R1ov5qcmqn9:d)">
     </path>
     <path d="M180.358 188.05L153.085 81.226l-78.047 73.16 105.32 33.666z" fill="url(#:R1ov5qcmqn9:e)">
     </path>
     <path d="M248.693 82.73l-73.777-60.256-20.544 66.418 94.321-6.162z" fill="url(#:R1ov5qcmqn9:f)">
     </path>
     <path d="M214.191.99L170.8 24.97 143.424.669l70.767.322z" fill="url(#:R1ov5qcmqn9:g)">
     </path>
     <path d="M0 203.372l18.177-33.151-14.704-39.494L0 203.372z" fill="url(#:R1ov5qcmqn9:h)">
     </path>
     <path d="M2.496 129.48l14.794 41.963 64.283-14.422 73.39-68.207 20.712-65.787L143.063 0 87.618 20.75c-17.469 16.248-51.366 48.396-52.588 49-1.21.618-22.384 40.639-32.534 59.73z" fill="#FFF">
     </path>
     <path d="M54.442 54.094c37.86-37.538 86.667-59.716 105.397-40.818 18.72 18.898-1.132 64.823-38.992 102.349-37.86 37.525-86.062 60.925-104.78 42.027-18.73-18.885.515-66.032 38.375-103.558z" fill="url(#:R1ov5qcmqn9:i)">
     </path>
     <path d="M52.744 253.916l29.408-97.409 97.665 31.376c-35.312 33.113-74.587 61.106-127.073 66.033z" fill="url(#:R1ov5qcmqn9:j)">
     </path>
     <path d="M155.092 88.622l25.073 99.313c29.498-31.016 55.972-64.36 68.938-105.603l-94.01 6.29z" fill="url(#:R1ov5qcmqn9:k)">
     </path>
     <path d="M248.847 82.833c10.035-30.282 12.35-73.725-34.966-81.791l-38.825 21.445 73.791 60.346z" fill="url(#:R1ov5qcmqn9:l)">
     </path>
     <path d="M0 202.935c1.39 49.979 37.448 50.724 52.808 51.162l-35.48-82.86L0 202.935z" fill="#9E1209">
     </path>
     <path d="M155.232 88.777c22.667 13.932 68.35 41.912 69.276 42.426 1.44.81 19.695-30.784 23.838-48.64l-93.114 6.214z" fill="url(#:R1ov5qcmqn9:m)">
     </path>
     <path d="M82.113 156.507l39.313 75.848c23.246-12.607 41.45-27.967 58.121-44.42l-97.434-31.428z" fill="url(#:R1ov5qcmqn9:n)">
     </path>
     <path d="M17.174 171.34l-5.57 66.328c10.51 14.357 24.97 15.605 40.136 14.486-10.973-27.311-32.894-81.92-34.566-80.814z" fill="url(#:R1ov5qcmqn9:o)">
     </path>
     <path d="M174.826 22.654l78.1 10.96c-4.169-17.662-16.969-29.06-38.787-32.623l-39.313 21.663z" fill="url(#:R1ov5qcmqn9:p)">
     </path>
    </svg>
    <span>
     Mongoid
    </span>
   </a>
   <a class="leafygreen-ui-18cpm0b" href="https://www.mongodb.com/docs/drivers/rust/current/usage-examples/count/" target="_self">
    <svg class="leafygreen-ui-x3zji3" height="24" viewbox="0 0 30 30" width="24" xmlns="http://www.w3.org/2000/svg">
     <g clip-path="url(#clip0_5454_14623)">
      <path d="M15.2561 3.08398C8.56014 3.08398 3.11035 8.53634 3.11035 15.2297C3.11035 21.9231 8.56271 27.3755 15.2561 27.3755C21.9495 27.3755 27.4019 21.9231 27.4019 15.2297C27.4019 8.53634 21.9495 3.08398 15.2561 3.08398ZM15.2381 4.16315C15.4458 4.16853 15.6432 4.25509 15.7881 4.40437C15.9331 4.55365 16.0142 4.75384 16.0141 4.96225C16.0141 5.17418 15.9299 5.37744 15.7801 5.5273C15.6302 5.67715 15.4269 5.76134 15.215 5.76134C15.0031 5.76134 14.7998 5.67715 14.65 5.5273C14.5001 5.37744 14.4159 5.17418 14.4159 4.96225C14.4159 4.85533 14.4373 4.7495 14.4789 4.65101C14.5205 4.55252 14.5814 4.46338 14.6581 4.38887C14.7347 4.31435 14.8256 4.25598 14.9252 4.21721C15.0249 4.17844 15.1313 4.16006 15.2381 4.16315ZM17.0676 5.47871C18.4704 5.74146 19.7992 6.30644 20.9617 7.13439C22.1242 7.96235 23.0926 9.03345 23.7995 10.2733L22.8565 12.4008C22.6947 12.7682 22.8617 13.1999 23.2265 13.3643L25.0406 14.1686C25.0968 14.7356 25.1037 15.3065 25.0611 15.8747H24.0513C23.9511 15.8747 23.91 15.9415 23.91 16.0391V16.5016C23.91 17.5911 23.2959 17.83 22.7563 17.8891C22.2424 17.9482 21.6746 17.6733 21.6026 17.3598C21.2994 15.6563 20.7958 15.294 19.9993 14.6645C20.9885 14.0375 22.0163 13.11 22.0163 11.8715C22.0163 10.5328 21.099 9.69002 20.4747 9.27634C19.5959 8.69822 18.6247 8.5826 18.3626 8.5826H7.93063C9.37312 6.97114 11.3066 5.88021 13.4318 5.47871L14.6626 6.76857C14.9401 7.05891 15.4 7.07176 15.6903 6.79169L17.0676 5.47871ZM5.71063 11.3936C5.91853 11.3996 6.11589 11.4864 6.26079 11.6356C6.40568 11.7849 6.48669 11.9847 6.4866 12.1927C6.4866 12.4046 6.40241 12.6079 6.25255 12.7577C6.10269 12.9076 5.89944 12.9918 5.6875 12.9918C5.47557 12.9918 5.27232 12.9076 5.12246 12.7577C4.9726 12.6079 4.88841 12.4046 4.88841 12.1927C4.88836 12.0858 4.90977 11.9799 4.95137 11.8814C4.99297 11.7829 5.0539 11.6938 5.13057 11.6193C5.20724 11.5448 5.29809 11.4864 5.39772 11.4476C5.49736 11.4089 5.60376 11.3905 5.71063 11.3936ZM24.7631 11.4295C24.971 11.4356 25.1683 11.5224 25.3132 11.6716C25.4581 11.8208 25.5391 12.0206 25.539 12.2286C25.539 12.4406 25.4548 12.6438 25.305 12.7937C25.1551 12.9435 24.9519 13.0277 24.7399 13.0277C24.528 13.0277 24.3247 12.9435 24.1749 12.7937C24.025 12.6438 23.9408 12.4406 23.9408 12.2286C23.9408 12.1217 23.9622 12.0159 24.0038 11.9174C24.0454 11.8189 24.1063 11.7298 24.183 11.6553C24.2597 11.5807 24.3505 11.5224 24.4502 11.4836C24.5498 11.4448 24.6562 11.4264 24.7631 11.4295ZM7.21632 11.558H8.60896V17.8377H5.79799C5.45083 16.6186 5.34264 15.3439 5.47938 14.0838L7.20091 13.3181C7.56834 13.1536 7.73535 12.7245 7.57091 12.3571L7.21632 11.558ZM13.0284 11.6248H16.3456C16.5177 11.6248 17.5558 11.8227 17.5558 12.6012C17.5558 13.2461 16.7592 13.4774 16.104 13.4774H13.0258L13.0284 11.6248ZM13.0284 16.1368H15.5696C15.8008 16.1368 16.8106 16.2036 17.1318 17.4934C17.232 17.8891 17.4556 19.179 17.6072 19.5927C17.7588 20.0552 18.3729 20.9802 19.0281 20.9802H23.1751C22.8972 21.3524 22.5933 21.7044 22.2656 22.0336L20.5774 21.6713C20.1843 21.5866 19.7963 21.8384 19.7115 22.2315L19.3107 24.102C18.0217 24.6859 16.622 24.9848 15.2069 24.9781C13.7919 24.9714 12.395 24.6595 11.1116 24.0635L10.7108 22.1929C10.626 21.7998 10.2406 21.548 9.84743 21.6328L8.19528 21.9874C7.88869 21.6711 7.6037 21.3346 7.34223 20.9802H15.3769C15.4668 20.9802 15.5285 20.9647 15.5285 20.88V18.0381C15.5285 17.9559 15.4668 17.9379 15.3769 17.9379H13.0258L13.0284 16.1368ZM9.3207 22.6452C9.5286 22.6512 9.72596 22.738 9.87085 22.8872C10.0157 23.0364 10.0968 23.2363 10.0967 23.4443C10.0967 23.6562 10.0125 23.8594 9.86262 24.0093C9.71276 24.1592 9.50951 24.2434 9.29757 24.2434C9.08564 24.2434 8.88239 24.1592 8.73253 24.0093C8.58267 23.8594 8.49848 23.6562 8.49848 23.4443C8.49843 23.3373 8.51984 23.2315 8.56144 23.133C8.60303 23.0345 8.66397 22.9454 8.74064 22.8709C8.81731 22.7964 8.90815 22.738 9.00779 22.6992C9.10743 22.6605 9.21383 22.6421 9.3207 22.6452ZM21.153 22.6811C21.3609 22.6872 21.5583 22.774 21.7031 22.9232C21.848 23.0724 21.929 23.2722 21.929 23.4802C21.929 23.6922 21.8448 23.8954 21.6949 24.0453C21.5451 24.1951 21.3418 24.2793 21.1299 24.2793C20.9179 24.2793 20.7147 24.1951 20.5648 24.0453C20.415 23.8954 20.3308 23.6922 20.3308 23.4802C20.3307 23.3733 20.3521 23.2675 20.3937 23.169C20.4353 23.0705 20.4963 22.9814 20.5729 22.9068C20.6496 22.8323 20.7404 22.774 20.8401 22.7352C20.9397 22.6964 21.0461 22.678 21.153 22.6811Z" fill="black">
      </path>
      <path clip-rule="evenodd" d="M26.7232 15.2304C26.7232 18.2717 25.515 21.1885 23.3645 23.3391C21.2139 25.4896 18.2971 26.6978 15.2558 26.6978C12.2144 26.6978 9.29761 25.4896 7.14705 23.3391C4.99649 21.1885 3.78832 18.2717 3.78832 15.2304C3.78832 12.189 4.99649 9.27222 7.14705 7.12166C9.29761 4.9711 12.2144 3.76293 15.2558 3.76293C18.2971 3.76293 21.2139 4.9711 23.3645 7.12166C25.515 9.27222 26.7232 12.189 26.7232 15.2304ZM26.5073 14.1229L28.2957 15.2304L26.5073 16.3378L28.0439 17.7741L26.0757 18.5115L27.3039 20.2202L25.2252 20.5594L26.0988 22.4762L23.9944 22.4017L24.4775 24.4521L22.4271 23.969L22.5016 26.0734L20.5848 25.1998L20.2456 27.2785L18.5369 26.0503L17.7995 28.0185L16.3632 26.482L15.2558 28.2703L14.1483 26.482L12.712 28.0185L11.9746 26.0503L10.2659 27.2785L9.92672 25.1998L8.00992 26.0734L8.08443 23.969L6.03401 24.4521L6.51707 22.4017L4.4127 22.4762L5.28631 20.5594L3.20763 20.2202L4.43582 18.5115L2.46763 17.7741L4.00415 16.3378L2.21582 15.2304L4.00415 14.1229L2.46763 12.6866L4.43582 11.9492L3.20763 10.2405L5.28631 9.90133L4.4127 7.98453L6.51707 8.05904L6.03401 6.00862L8.08443 6.49168L8.00992 4.3873L9.92672 5.26092L10.2659 3.18223L11.9746 4.41043L12.712 2.44224L14.1483 3.97876L15.2558 2.19043L16.3632 3.97876L17.7995 2.44224L18.5369 4.41043L20.2456 3.18223L20.5848 5.26092L22.5016 4.3873L22.4271 6.49168L24.4775 6.00862L23.9944 8.05904L26.0988 7.98453L25.2252 9.90133L27.3039 10.2405L26.0757 11.9492L28.0439 12.6866L26.5073 14.1229Z" fill="black" fill-rule="evenodd" stroke-linecap="round" stroke-linejoin="round">
      </path>
     </g>
     <defs>
      <clippath id="clip0_5454_14623">
       <rect fill="black" height="30" width="30">
       </rect>
      </clippath>
     </defs>
    </svg>
    <span>
     Rust
    </span>
   </a>
   <a class="leafygreen-ui-18cpm0b" href="https://mongodb.github.io/mongo-java-driver/5.2/apidocs/mongo-scala-driver/org/mongodb/scala/MongoCollection.html#estimatedDocumentCount():org.mongodb.scala.SingleObservable[Long]" target="_self">
    <svg class="leafygreen-ui-x3zji3" height="24" viewbox="0 0 70 70" width="24" xmlns="http://www.w3.org/2000/svg">
     <defs>
      <lineargradient id=":R1sv5qcmqn9:aaa" x1=".006%" x2="96.837%" y1="49.998%" y2="49.998%">
       <stop offset="0%" stop-color="#CD413F">
       </stop>
       <stop offset="75.091%" stop-color="#CD4543">
       </stop>
       <stop offset="100%" stop-color="#D04543">
       </stop>
      </lineargradient>
     </defs>
     <g fill="none" fill-rule="nonzero">
      <path d="M13 39v5c0 .843 17.73 2.255 29.28 5 5.582-1.327 9.72-2.966 9.72-5v-5c0-2.034-4.138-3.673-9.72-5C30.73 36.745 13 38.157 13 39M13 20v5c0 .843 17.73 2.255 29.28 5 5.582-1.327 9.72-2.966 9.72-5v-5c0-2.034-4.138-3.673-9.72-5C30.73 17.745 13 19.157 13 20" fill="#731818">
      </path>
      <g fill="url(#:R1sv5qcmqn9:aaa)" transform="translate(13)">
       <path d="M0 29.53v14.766c0-1.232 39-3.692 39-9.844V19.686c0 6.152-39 8.612-39 9.844M0 9.843V24.61c0-1.231 39-3.691 39-9.843V0C39 6.152 0 8.612 0 9.843M0 49.216v14.766c0-1.231 39-3.691 39-9.843V39.373c0 6.151-39 8.612-39 9.843">
       </path>
      </g>
     </g>
    </svg>
    <span>
     Scala
    </span>
   </a>
  </div>
  <button class="leafygreen-ui-ki2t97">
   Show all
   <svg aria-label="Chevron Down Icon" class="" fill="none" height="16" role="img" viewbox="0 0 16 16" width="16" xmlns="http://www.w3.org/2000/svg">
    <path clip-rule="evenodd" d="M1.636 5.364a1 1 0 0 0 0 1.414l4.95 4.95.707.707a1 1 0 0 0 1.414 0l.707-.707 4.95-4.95a1 1 0 0 0 0-1.414l-.707-.707a1 1 0 0 0-1.414 0L8 8.899 3.757 4.657a1 1 0 0 0-1.414 0l-.707.707Z" fill="currentColor" fill-rule="evenodd">
    </path>
   </svg>
  </button>
 </div>
 <section>
  <h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
   Definition
   <a class="headerlink leafygreen-ui-1kepx47" href="#definition" title="Permalink to this heading">
    <svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
     <path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
     </path>
     <path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
     </path>
    </svg>
    <div class="css-1btu0w3 evvkmar0" id="definition">
    </div>
   </a>
  </h2>
  <dl class="method">
   <dt>
    <code class="leafygreen-ui-1l06pbn">
     db.collection.estimatedDocumentCount(options)
    </code>
    <a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-method-db.collection.estimatedDocumentCount" title="Permalink to this definition">
     <svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
      <path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
      </path>
      <path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
      </path>
     </svg>
     <div class="css-1btu0w3 evvkmar0" id="mongodb-method-db.collection.estimatedDocumentCount">
     </div>
    </a>
   </dt>
   <dd>
    <p class="leafygreen-ui-1kp3ins">
     Returns the count of all documents in a collection or view.
    </p>
    <script class="structured_data" type="application/ld+json">
     {"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.collection.estimatedDocumentCount( &lt;options&gt; )","programmingLanguage":"JavaScript"}
    </script>
    <div class="css-16lmvu9">
     <div class="leafygreen-ui-196mwvg">
      <div class="leafygreen-ui-yzcs8i">
       <pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">collection</span>.<span class="lg-highlight-title lg-highlight-function">estimatedDocumentCount</span>( &lt;<!-- -->options<!-- -->&gt; <!-- -->)</td></tr></tbody></table></code></pre>
       <div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
        <button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
         <div class="leafygreen-ui-xhlipt">
          <svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
           <path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
           </path>
          </svg>
         </div>
        </button>
       </div>
      </div>
     </div>
    </div>
    <div class="leafygreen-ui-skkc39" tabindex="0">
     <table class="leafygreen-ui-hr8lsv">
      <colgroup>
       <col style="width:20%"/>
       <col style="width:20%"/>
       <col style="width:80%"/>
      </colgroup>
      <thead class="leafygreen-ui-a9ho40">
       <tr data-testid="leafygreen-ui-header-row">
        <th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
         <div class="leafygreen-ui-ui0te9">
          <div>
           Parameter
          </div>
         </div>
        </th>
        <th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
         <div class="leafygreen-ui-ui0te9">
          <div>
           Type
          </div>
         </div>
        </th>
        <th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
         <div class="leafygreen-ui-ui0te9">
          <div>
           Description
          </div>
         </div>
        </th>
       </tr>
      </thead>
      <tbody>
       <tr class="">
        <td class="leafygreen-ui-1drjk7h">
         <div class="leafygreen-ui-1n4j8xf">
          <div>
           options
          </div>
         </div>
        </td>
        <td class="leafygreen-ui-1drjk7h">
         <div class="leafygreen-ui-1n4j8xf">
          <div>
           document
          </div>
         </div>
        </td>
        <td class="leafygreen-ui-1drjk7h">
         <div class="leafygreen-ui-1n4j8xf">
          <div>
           Optional. Extra options that affect the count behavior.
          </div>
         </div>
        </td>
       </tr>
      </tbody>
     </table>
    </div>
    <p class="leafygreen-ui-1kp3ins">
     The
     <code class="leafygreen-ui-1l06pbn">
      options
     </code>
     document can contain the following:
    </p>
    <div class="leafygreen-ui-skkc39" tabindex="0">
     <table class="leafygreen-ui-hr8lsv">
      <colgroup>
       <col style="width:20%"/>
       <col style="width:20%"/>
       <col style="width:80%"/>
      </colgroup>
      <thead class="leafygreen-ui-a9ho40">
       <tr data-testid="leafygreen-ui-header-row">
        <th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
         <div class="leafygreen-ui-ui0te9">
          <div>
           Field
          </div>
         </div>
        </th>
        <th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
         <div class="leafygreen-ui-ui0te9">
          <div>
           Type
          </div>
         </div>
        </th>
        <th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
         <div class="leafygreen-ui-ui0te9">
          <div>
           Description
          </div>
         </div>
        </th>
       </tr>
      </thead>
      <tbody>
       <tr class="">
        <td class="leafygreen-ui-1drjk7h">
         <div class="leafygreen-ui-1n4j8xf">
          <div>
           <code class="leafygreen-ui-1l06pbn">
            maxTimeMS
           </code>
          </div>
         </div>
        </td>
        <td class="leafygreen-ui-1drjk7h">
         <div class="leafygreen-ui-1n4j8xf">
          <div>
           integer
          </div>
         </div>
        </td>
        <td class="leafygreen-ui-1drjk7h">
         <div class="leafygreen-ui-1n4j8xf">
          <div>
           Optional. The maximum amount of time to allow the count to run.
          </div>
         </div>
        </td>
       </tr>
      </tbody>
     </table>
    </div>
   </dd>
  </dl>
 </section>
 <section>
  <h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
   Behavior
   <a class="headerlink leafygreen-ui-1kepx47" href="#behavior" title="Permalink to this heading">
    <svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
     <path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
     </path>
     <path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
     </path>
    </svg>
    <div class="css-1btu0w3 evvkmar0" id="behavior">
    </div>
   </a>
  </h2>
  <section>
   <h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
    Mechanics
    <a class="headerlink leafygreen-ui-1kepx47" href="#mechanics" title="Permalink to this heading">
     <svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
      <path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
      </path>
      <path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
      </path>
     </svg>
     <div class="css-1btu0w3 evvkmar0" id="mechanics">
     </div>
    </a>
   </h3>
   <p class="leafygreen-ui-1kp3ins">
    <a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.collection.estimatedDocumentCount" target="_self">
     <span>
      <code class="leafygreen-ui-1l06pbn">
       db.collection.estimatedDocumentCount()
      </code>
     </span>
    </a>
    does not take a query
filter and instead uses metadata to return the count for a collection.
   </p>
   <p class="leafygreen-ui-1kp3ins">
    For a
    <a class="leafygreen-ui-tqgtui" href="/docs/manual/core/views/#std-label-views-landing-page">
     view
     <!-- -->
     :
    </a>
   </p>
   <ul class="leafygreen-ui-rioki0">
    <li class="leafygreen-ui-d7p7b6">
     <p class="leafygreen-ui-1kp3ins">
      There is no metadata.
     </p>
    </li>
    <li class="leafygreen-ui-d7p7b6">
     <p class="leafygreen-ui-1kp3ins">
      The document count is calculated by executing the
      <a class="leafygreen-ui-tqgtui" href="/docs/manual/core/aggregation-pipeline/#std-label-aggregation-pipeline">
       aggregation
pipeline
      </a>
      in the view definition.
     </p>
    </li>
    <li class="leafygreen-ui-d7p7b6">
     <p class="leafygreen-ui-1kp3ins">
      There is no fast estimated document count.
     </p>
    </li>
   </ul>
  </section>
  <section>
   <h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
    Sharded Clusters
    <a class="headerlink leafygreen-ui-1kepx47" href="#sharded-clusters" title="Permalink to this heading">
     <svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
      <path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
      </path>
      <path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
      </path>
     </svg>
     <div class="css-1btu0w3 evvkmar0" id="sharded-clusters">
     </div>
    </a>
   </h3>
   <p class="leafygreen-ui-1kp3ins">
    On a sharded cluster, the resulting count will not correctly filter out
    <a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-orphaned-document">
     orphaned documents
     <!-- -->
     .
    </a>
   </p>
   <span class="leafygreen-ui-1qnjd6d" id="std-label-estimated-document-count-unclean-shutdown">
   </span>
  </section>
  <section>
   <h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
    Unclean Shutdown
    <a class="headerlink leafygreen-ui-1kepx47" href="#unclean-shutdown" title="Permalink to this heading">
     <svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
      <path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
      </path>
      <path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
      </path>
     </svg>
     <div class="css-1btu0w3 evvkmar0" id="unclean-shutdown">
     </div>
    </a>
   </h3>
   <p class="leafygreen-ui-1kp3ins">
    This section only applies to collections.
   </p>
   <p class="leafygreen-ui-1kp3ins">
    After an unclean shutdown, the count may be incorrect.
   </p>
   <p class="leafygreen-ui-1kp3ins">
    After an unclean shutdown of a
    <a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
     <code class="leafygreen-ui-1l06pbn">
      mongod
     </code>
    </a>
    using the
    <a class="leafygreen-ui-tqgtui" href="/docs/manual/core/wiredtiger/">
     Wired Tiger
    </a>
    storage engine,
    <!-- -->
    count
    <!-- -->
    statistics reported by
    <a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.collection.estimatedDocumentCount" target="_self">
     <span>
      <code class="leafygreen-ui-1l06pbn">
       db.collection.estimatedDocumentCount()
      </code>
     </span>
    </a>
    may be inaccurate.
   </p>
   <p class="leafygreen-ui-1kp3ins">
    The amount of drift depends on the number of insert, update, or delete
operations performed between the last
    <a class="leafygreen-ui-tqgtui" href="/docs/manual/core/wiredtiger/#std-label-storage-wiredtiger-checkpoints">
     checkpoint
    </a>
    and the unclean shutdown. Checkpoints
usually occur every 60 seconds. However,
    <a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
     <code class="leafygreen-ui-1l06pbn">
      mongod
     </code>
    </a>
    instances running
with non-default
    <a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--syncdelay">
     <code class="leafygreen-ui-1l06pbn">
      --syncdelay
     </code>
    </a>
    settings may have more or less frequent
checkpoints.
   </p>
   <p class="leafygreen-ui-1kp3ins">
    Run
    <a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/validate/#mongodb-dbcommand-dbcmd.validate">
     <code class="leafygreen-ui-1l06pbn">
      validate
     </code>
    </a>
    on each collection on the
    <a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
     <code class="leafygreen-ui-1l06pbn">
      mongod
     </code>
    </a>
    to restore statistics after an unclean shutdown.
   </p>
   <p class="leafygreen-ui-1kp3ins">
    After an unclean shutdown:
   </p>
   <ul class="leafygreen-ui-rioki0">
    <li class="leafygreen-ui-d7p7b6">
     <p class="leafygreen-ui-1kp3ins">
      <a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/validate/#mongodb-dbcommand-dbcmd.validate">
       <code class="leafygreen-ui-1l06pbn">
        validate
       </code>
      </a>
      updates the
      <a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/collStats/#std-label-collstat-count">
       count statistic
      </a>
      in the
      <a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/collStats/#mongodb-dbcommand-dbcmd.collStats">
       <code class="leafygreen-ui-1l06pbn">
        collStats
       </code>
      </a>
      <a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/collStats/#std-label-collStats-output">
       output
      </a>
      with the latest value.
     </p>
    </li>
    <li class="leafygreen-ui-d7p7b6">
     <p class="leafygreen-ui-1kp3ins">
      Other statistics like the number of documents inserted or removed in
the
      <a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/collStats/#mongodb-dbcommand-dbcmd.collStats">
       <code class="leafygreen-ui-1l06pbn">
        collStats
       </code>
      </a>
      <a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/collStats/#std-label-collStats-output">
       output
      </a>
      are
estimates.
     </p>
    </li>
   </ul>
  </section>
  <section>
   <h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
    Client Disconnection
    <a class="headerlink leafygreen-ui-1kepx47" href="#client-disconnection" title="Permalink to this heading">
     <svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
      <path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
      </path>
      <path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
      </path>
     </svg>
     <div class="css-1btu0w3 evvkmar0" id="client-disconnection">
     </div>
    </a>
   </h3>
   <p class="leafygreen-ui-1kp3ins">
    Starting in MongoDB 4.2, if the client that issued
    <a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.collection.estimatedDocumentCount" target="_self">
     <span>
      <code class="leafygreen-ui-1l06pbn">
       db.collection.estimatedDocumentCount()
      </code>
     </span>
    </a>
    disconnects before the operation completes, MongoDB marks
    <a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.collection.estimatedDocumentCount" target="_self">
     <span>
      <code class="leafygreen-ui-1l06pbn">
       db.collection.estimatedDocumentCount()
      </code>
     </span>
    </a>
    for termination using
    <a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/killOp/#mongodb-dbcommand-dbcmd.killOp">
     <code class="leafygreen-ui-1l06pbn">
      killOp
     </code>
     .
    </a>
   </p>
  </section>
  <section>
   <h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
    Count and Transactions
    <a class="headerlink leafygreen-ui-1kepx47" href="#count-and-transactions" title="Permalink to this heading">
     <svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
      <path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
      </path>
      <path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
      </path>
     </svg>
     <div class="css-1btu0w3 evvkmar0" id="count-and-transactions">
     </div>
    </a>
   </h3>
   <p class="leafygreen-ui-1kp3ins">
    When you use
    <a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.collection.estimatedDocumentCount" target="_self">
     <span>
      <code class="leafygreen-ui-1l06pbn">
       db.collection.estimatedDocumentCount()
      </code>
     </span>
    </a>
    in a transaction, the resulting count will
not filter out any uncommitted
    <a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions">
     multi-document transactions
     <!-- -->
     .
    </a>
   </p>
  </section>
 </section>
 <section>
  <h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
   Example
   <a class="headerlink leafygreen-ui-1kepx47" href="#example" title="Permalink to this heading">
    <svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
     <path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
     </path>
     <path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
     </path>
    </svg>
    <div class="css-1btu0w3 evvkmar0" id="example">
    </div>
   </a>
  </h2>
  <p class="leafygreen-ui-1kp3ins">
   The following example uses
   <a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.collection.estimatedDocumentCount" target="_self">
    <span>
     <code class="leafygreen-ui-1l06pbn">
      db.collection.estimatedDocumentCount()
     </code>
    </span>
   </a>
   to retrieve the count of
all documents in the
   <code class="leafygreen-ui-1l06pbn">
    orders
   </code>
   collection:
  </p>
  <script class="structured_data" type="application/ld+json">
   {"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.orders.estimatedDocumentCount({})","programmingLanguage":"JavaScript"}
  </script>
  <div class="css-16lmvu9">
   <div class="leafygreen-ui-196mwvg">
    <div class="leafygreen-ui-yzcs8i">
     <pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">orders</span>.<span class="lg-highlight-title lg-highlight-function">estimatedDocumentCount</span>(<!-- -->{<!-- -->})</td></tr></tbody></table></code></pre>
     <div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
      <button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
       <div class="leafygreen-ui-xhlipt">
        <svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
         <path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
         </path>
        </svg>
       </div>
      </button>
     </div>
    </div>
   </div>
  </div>
  <div class="leafygreen-ui-13vw3ie" role="note">
   <h2 class="leafygreen-ui-1fn4p2b">
    Tip
   </h2>
   <h3 class="leafygreen-ui-144d5kf">
    <strong>
     See also:
    </strong>
   </h3>
   <div class="leafygreen-ui-9mycqc">
    <ul class="leafygreen-ui-rioki0">
     <li class="leafygreen-ui-d7p7b6">
      <p class="leafygreen-ui-1kp3ins">
       <a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.countDocuments/#mongodb-method-db.collection.countDocuments">
        <code class="leafygreen-ui-1l06pbn">
         db.collection.countDocuments()
        </code>
       </a>
      </p>
     </li>
     <li class="leafygreen-ui-d7p7b6">
      <p class="leafygreen-ui-1kp3ins">
       <a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/count/#mongodb-dbcommand-dbcmd.count">
        <code class="leafygreen-ui-1l06pbn">
         count
        </code>
       </a>
      </p>
     </li>
     <li class="leafygreen-ui-d7p7b6">
      <p class="leafygreen-ui-1kp3ins">
       <a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/collStats/#std-label-collstat-count">
        collStats pipeline stage with the count
       </a>
       option
      </p>
     </li>
    </ul>
   </div>
  </div>
 </section>
</section>
