United States Population 2024 By Age. Aging baby boomers, who will all be 65 or older by. June 22, 2023 — the nation’s median age increased by 0.2 years to 38.9 years between 2021 and 2022, according to vintage 2022 population estimates released today by.

The projected world population on jan.1, 2024, is 8,019,876,189, an increase of 75,162,541. Current, historical, and projected population, growth rate, immigration, median age, total fertility rate (tfr), population density, urbanization, urban.