Immigration is driving U.S. population growth, partially offsetting a broader demographic shift as baby boomers age, ...

The older population in the United States is steadily increasing, while the share of children is declining, according to the ...

Data on state population, age distribution, educational attainment, the proportion of state residents who speak a language other than English at home, per capita income, and the poverty rate are ...

The U.S. population will age and continue to see low growth in 2025, three experts have told Newsweek.. Population decline is an issue for many countries around the world, especially in Europe ...

In 1900, 1910 and 1920 persons under four years of age constituted respectively 10.1, 9.8 and 10.0 per cent of the total population in Massachusetts.

Texas remains younger than other states, but the number of older Texans has outpaced that of any other age group.