Table 1. Number and percent distribution of the population, by age: United States, selected calendar years 1987-2030.
| Age | 1987 | 2000 | 2010 | 2020 | 2030 |
|---|---|---|---|---|---|
| Population in millions1 | |||||
| Total | 251.8 | 277.3 | 293.4 | 307.7 | 316.8 |
| Under 20 years | 73.4 | 75.9 | 73.8 | 74.2 | 74.4 |
| 20-64 years | 148.1 | 165.8 | 179.6 | 180.6 | 175.9 |
| 65 years or over | 30.2 | 35.6 | 40.0 | 52.8 | 66.5 |
| 65-69 years | 9.8 | 9.6 | 12.2 | 17.6 | 19.0 |
| 70-74 years | 7.8 | 8.9 | 9.1 | 13.8 | 17.3 |
| 75-79 years | 5.8 | 7.4 | 7.1 | 9.2 | 13.3 |
| 80-84 years | 3.7 | 5.1 | 5.6 | 5.8 | 9.0 |
| 85 years or over | 3.0 | 4.6 | 6.0 | 6.5 | 7.9 |
| Percent distribution of total population | |||||
| Total | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Under 20 years | 29.2 | 27.4 | 25.2 | 24.1 | 23.5 |
| 20-64 years | 58.8 | 59.8 | 61.2 | 58.7 | 55.5 |
| 65 years or over | 12.0 | 12.8 | 13.6 | 17.2 | 21.0 |
| 65-69 years | 3.9 | 3.5 | 4.2 | 5.7 | 6.0 |
| 70-74 years | 3.1 | 3.2 | 3.1 | 4.5 | 5.5 |
| 75-79 years | 2.3 | 2.7 | 2.4 | 3.0 | 4.2 |
| 80-84 years | 1.5 | 1.8 | 1.9 | 1.9 | 2.8 |
| 85 years or over | 1.2 | 1.7 | 2.0 | 2.1 | 2.5 |
| Percent distribution of aged population | |||||
| 65 years or over | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| 65-69 years | 32.5 | 27.0 | 30.5 | 33.3 | 28.6 |
| 70-74 years | 25.8 | 25.0 | 22.7 | 26.1 | 26.0 |
| 75-79 years | 19.2 | 20.8 | 17.8 | 17.4 | 20.0 |
| 80-84 years | 12.3 | 14.3 | 14.0 | 11.0 | 13.5 |
| 85 years or over | 9.9 | 12.9 | 15.0 | 12.3 | 11.9 |
1
Social Security area populations as of July 1.
NOTES: Population growth is taken from the intermediate (II-B) assumptions used to prepare the 1989 Annual Report of the Board of Trustees of the Federal Old-Age and Survivors Insurance and Disability Insurance Trust Fund. Totals may not add to 100.0 because of rounding.
SOURCE: Social Security Administration: Data from the Office of the Actuary.