Us Population 2025 In Billion Projections. Population increases from 350 million people in 2025 to 372 million in 2055, and the average age rises. Resident population is projected to increase by only 9.7% from 2022, according to the latest u.s.

Christianity crossed the 2 billion mark this century but will top 3 billion before 2050. The population in the us is expected to increase by 1.7% from 2022 to.