what is the population of the united states of america
Demography of the United States The United States is estimated to have a population of 327,589,916 as of April 23, 2018, making it the third most populous country in the world.[3] It is very urbanized, with 81% residing in cities and suburbs as of 2014 (the worldwide urban rate is 54%).[4] California and Texas are the most populous states, as the mean center of U.S. population has consistently shifted westward and southward.[5][6] New York City is the most populous city in the United States.[7]
World population Six of the Earth's seven continents are permanently inhabited on a large scale. Asia is the most populous continent, with its 4.54 billion inhabitants accounting for 60% of the world population. The world's two most populated countries, China and India, together constitute about 37% of the world's population. Africa is the second most populated continent, with around 1.28 billion people, or 16% of the world's population. Europe's 742 million people make up 10% of the world's population as of 2018, while the Latin American and Caribbean regions are home to around 651 million (9%). Northern America, primarily consisting of the United States and Canada, has a population of around 363 million (5%), and Oceania, the least-populated region, has about 41 million inhabitants (0.5%).[9] Though it is not permanently inhabited by any fixed population, Antarctica has a small, fluctuating international population based mainly in polar science stations. This population tends to rise in the summer months and decrease significantly in winter, as visiting researchers return to their home countries.[10]