What Is The Population Of Usa 2024 In Billion. By population, the united states of america is the 3rd largest country in the world, behind china (1.39 billion) and india (1.31 billion). 9, 2023 — the u.s.

The combination of births, deaths and net international migration increases the u.s. In its 2022 publication, the un estimated that, in its medium scenario, the global population would peak in 2086 at around 10.4 billion people.