Population Usa 2024. Shows estimates of current usa population overall and people by us state/county and of world population overall, by country and most populated countries. The united states stands firm as the third most populous nation in the world, with roughly 339 million inhabitants and counting.
Scientists believe that this is because population immunity is far higher with many of the usual seasonal viruses, such as influenza, rhinovirus, and rsv. Growth accelerated after congress made u.s.