Population Of Us 2025 By Age. The population growth rate of united states of america in 2025 is 0.54%, sex ratio is 1.01 (1.05 for working age), dependency ratio is 55%. Age at first marriage, male;
Report presents info on how age structure of the overall population and the composition of the older population are expected to change over the next 4 decades. The current population of united states of america (usa) is 342,837,391 as of monday, january 27, 2025.