Population Of Usa 2025 In Millions. As of 1 january 2025, the population of united states of america (usa) was estimated to be 340,092,699 people. In cbo’s projections, the u.s.

Demography, population pyramid, age pyramid, aging, retirement, united states of america,. Population in the united states is expected to reach 336.50 million by the end of 2025, according to trading economics global macro models and analysts expectations.