Table 1.
Selected Data on Costa Rican Nonagenarians, 1983–2004
| Total | Birth Cohort |
|||
|---|---|---|---|---|
| 1878–1893 | 1894–1903 | 1904–1913 | ||
| Number of Individuals | 24,438 | 2,150 | 7,692 | 14,596 |
| Number of Observed Years | ||||
| Total | 101,439 | 8,778 | 38,981 | 53,680 |
| In 1983–1993 | 33,409 | 8,611 | 24,798 | 0 |
| In 1994–2004 | 68,030 | 167 | 14,183 | 53,680 |
| Mean Number of Observed Years | 4.15 | 4.08 | 5.07 | 3.68 |
| Deceased (%) | 73 | 100 | 97 | 57 |
| Mean Age at Death | 93.8 | 96.1 | 94.4 | 92.9 |
| Mean Observed Age | 92.7 | 94.9 | 93.2 | 92.0 |
| Female Ratio | 1.28 | 1.20 | 1.24 | 1.33 |
| Late Birth Registry (%) | 17 | 36 | 17 | 13 |
| Central Region (%) | 71 | 76 | 71 | 69 |
Source: National Registry of the Tribunal Supremo de Elecciones.