Table 13.3.
Selected measures of superlongevity of males and females based on period life tables for the United States Social Security Area: 1950, 1980, and 2000
| Measure | Males | ||
|---|---|---|---|
| 1950 | 1980 | 2000 | |
| Average maximum life span–survivorsa | 101.7 | 101.9 | 101.8 |
| Average maximum life span–decedentsa | 101.9 | 102.2 | 101.5 |
| Percent survivors 100 years and over | 0.14 | 0.38 | 0.46 |
| Percent survivors 100 and over of survivors 85 and over | 0.5 | 0.9 | 0.7 |
| Life expectation at age 100 | 1.92 | 2.20 | 1.98 |
| Total life expectation at age 100b | 101.9 | 102.2 | 102.0 |
| Life endurancy (Pr = 0. 01)c | 95.1 | 97.4 | 98.2 |
| Life endurancy (Pr = 0. 001)c | 100.7 | 103.0 | 103.0 |
| Females | |||
| Measure | 1950 | 1980 | 2000 |
| Average maximum life span–survivorsa | 102.1 | 102.1 | 102.0 |
| Average maximum life span–decedentsa | 101.6 | 102.5 | 102.2 |
| Percent survivors 100 years and over | 0.33 | 1.72 | 1.74 |
| Percent survivors 100 and over of | |||
| survivors 85 and over | 0.6 | 1.8 | 1.5 |
| Life expectation at age 100 | 1.92 | 2.42 | 2.26 |
| Total life expectation at age 100b | 101.9 | 102.4 | 102.3 |
| Life endurancy (Pr = 0. 01)c | 97.5 | 101.5 | 101.4 |
| Life endurancy (Pr = 0. 001)c | 102.4 | 106.4 | 105.9 |
Source: Based on U.S. Social Security Administration (2005, August)aMeanage of life table survivors or decedents 100 years of age and over
bLife expectation at age 100 plus 100
cAge to which the proportion shown of the original birth cohort survives