United States Of America Population 2024 Percentage. 76 rows the population of united states is projected at 345,426,571, or 345.43 million, as of july 1, 2024. Population growth generally slows over the next 30 years, from 0.6 percent per year, on average, between 2024 and 2034 to 0.2 percent per year, on average, between 2045 and 2054.

( 1 ) united nations population division. Explore the geographic distribution and demographics of america’s major religious groups.