While data on bicycles were collected from 2000 to 2019, it turned out that there were approximately 1 billion bicycles in the world.
ໃນຂະນະທີ່ຂໍ້ມູນກ່ຽວກັບລົດຖີບໄດ້ຖືກເກັບ ກໍາ ມາແຕ່ປີ 2000 ເຖິງ 2019, ມັນໄດ້ສະແດງໃຫ້ເຫັນວ່າມີປະມານ 1 ຕື້ລົດຖີບໃນໂລກ.