Chart 3. Population change, by age group, for selected periods and 2021–31 projected
Timespan Population change (thousands), 16–24 Population change (thousands), 25–64 Population change (thousands), 65 and older

1971–1981

5,668 18,810 5,444

1981–1991

-3,997 19,942 4,850

1991–2001

1,769 18,427 3,972

2001–2011

3,392 15,076 6,057

2011–2021

-936 6,302 16,461

2021–31 projected

101 3,693 15,797

Source: U.S. Bureau of Labor Statistics.