Us Population Projections Shrink 2025 Population Projection. Benchmarked on the 2020 decennial census count data, our latest round of national population projections provides a look into the demographic future (total population, broken down by age and sex) for all 50 states and the district of columbia over the next few decades of 2030, 2040, and 2050. And a better question might be when—not if—the nation will change from a growing to a shrinking population.

The congressional budget office has shrunk its projections for the u.s. In its 2025 report, the cbo highlighted a significant slowdown in population growth compared to historical norms.