| 年份 | 总抚养比 | 老年抚养比 | 少儿抚养比 |
|---|---|---|---|
| 1960 | 57.6 | 5.8 | 51.9 |
| 1961 | 61.5 | 6.0 | 55.5 |
| 1962 | 68.3 | 6.5 | 61.8 |
| 1963 | 74.6 | 6.9 | 67.7 |
| 1964 | 80.5 | 7.4 | 73.1 |
| 1965 | 85.8 | 7.8 | 78.1 |
| 1966 | 90.6 | 8.2 | 82.4 |
| 1967 | 94.8 | 8.6 | 86.2 |
| 1968 | 98.4 | 8.9 | 89.5 |
| 1969 | 101.8 | 9.3 | 92.5 |
| 1970 | 103.1 | 9.4 | 93.7 |
| 1971 | 102.6 | 9.4 | 93.2 |
| 1972 | 102.1 | 9.4 | 92.7 |
| 1973 | 101.6 | 9.5 | 92.2 |
| 1974 | 101.2 | 9.5 | 91.7 |
| 1975 | 100.7 | 9.5 | 91.3 |
| 1976 | 100.2 | 9.4 | 90.8 |
| 1977 | 99.6 | 9.3 | 90.3 |
| 1978 | 99.0 | 9.2 | 89.9 |
| 1979 | 98.5 | 9.1 | 89.4 |
| 1980 | 98.1 | 9.1 | 88.9 |
| 1981 | 97.7 | 9.2 | 88.5 |
| 1982 | 97.7 | 9.3 | 88.5 |
| 1983 | 97.8 | 9.2 | 88.6 |
| 1984 | 97.6 | 9.1 | 88.5 |
| 1985 | 97.9 | 9.0 | 88.9 |
| 1986 | 98.7 | 8.9 | 89.8 |
| 1987 | 99.2 | 8.9 | 90.4 |
| 1988 | 99.5 | 8.8 | 90.8 |
| 1989 | 99.9 | 8.7 | 91.2 |
| 1990 | 100.2 | 8.7 | 91.6 |
| 1991 | 100.5 | 8.7 | 91.8 |
| 1992 | 100.4 | 8.7 | 91.7 |
| 1993 | 100.1 | 8.7 | 91.3 |
| 1994 | 99.3 | 8.7 | 90.6 |
| 1995 | 98.3 | 8.7 | 89.7 |
| 1996 | 97.1 | 8.6 | 88.5 |
| 1997 | 95.5 | 8.5 | 87.0 |
| 1998 | 93.7 | 8.4 | 85.3 |
| 1999 | 91.5 | 8.2 | 83.3 |
| 2000 | 89.2 | 8.1 | 81.2 |
| 2001 | 87.9 | 7.9 | 80.0 |
| 2002 | 87.3 | 7.8 | 79.6 |
| 2003 | 86.7 | 7.7 | 79.1 |
| 2004 | 86.2 | 7.6 | 78.6 |
| 2005 | 85.8 | 7.5 | 78.3 |
| 2006 | 85.5 | 7.4 | 78.1 |
| 2007 | 85.3 | 7.2 | 78.0 |
| 2008 | 85.2 | 7.1 | 78.1 |
| 2009 | 85.0 | 6.9 | 78.0 |
| 2010 | 84.6 | 6.8 | 77.8 |
| 2011 | 84.0 | 6.6 | 77.3 |
| 2012 | 83.9 | 6.5 | 77.4 |
| 2013 | 84.4 | 6.5 | 77.9 |
| 2014 | 84.6 | 6.5 | 78.1 |
| 2015 | 84.5 | 6.5 | 78.0 |
| 2016 | 84.1 | 6.6 | 77.6 |
| 2017 | 83.5 | 6.6 | 76.8 |
| 2018 | 82.6 | 6.8 | 75.8 |
| 2019 | 81.5 | 6.8 | 74.7 |
| 2020 | 79.9 | 6.8 | 73.1 |
| 2021 | 77.9 | 6.7 | 71.2 |
2021年，圣多美和普林西比总抚养比为77.9%，其中老年抚养比为6.7%，少儿抚养比为71.2%。
