| 年份 | 总抚养比 | 老年抚养比 | 少儿抚养比 |
|---|---|---|---|
| 1960 | 79.6 | 2.0 | 77.7 |
| 1961 | 80.4 | 2.0 | 78.5 |
| 1962 | 81.3 | 1.9 | 79.4 |
| 1963 | 82.2 | 1.9 | 80.3 |
| 1964 | 83.1 | 1.9 | 81.3 |
| 1965 | 84.1 | 1.8 | 82.3 |
| 1966 | 85.2 | 1.8 | 83.4 |
| 1967 | 86.3 | 1.8 | 84.5 |
| 1968 | 87.4 | 1.7 | 85.7 |
| 1969 | 88.6 | 1.7 | 86.9 |
| 1970 | 89.6 | 1.7 | 87.9 |
| 1971 | 90.6 | 1.7 | 88.9 |
| 1972 | 90.9 | 1.7 | 89.3 |
| 1973 | 90.6 | 1.6 | 89.0 |
| 1974 | 90.0 | 1.6 | 88.4 |
| 1975 | 89.0 | 1.6 | 87.4 |
| 1976 | 87.9 | 1.6 | 86.3 |
| 1977 | 86.5 | 1.7 | 84.9 |
| 1978 | 85.0 | 1.7 | 83.3 |
| 1979 | 83.5 | 1.8 | 81.7 |
| 1980 | 82.0 | 1.9 | 80.1 |
| 1981 | 81.1 | 2.1 | 79.1 |
| 1982 | 80.9 | 2.2 | 78.6 |
| 1983 | 80.7 | 2.4 | 78.3 |
| 1984 | 80.6 | 2.5 | 78.1 |
| 1985 | 80.6 | 2.6 | 78.0 |
| 1986 | 80.6 | 2.8 | 77.8 |
| 1987 | 80.6 | 2.9 | 77.7 |
| 1988 | 80.5 | 3.0 | 77.6 |
| 1989 | 80.5 | 3.1 | 77.4 |
| 1990 | 80.2 | 3.2 | 77.0 |
| 1991 | 79.7 | 3.3 | 76.3 |
| 1992 | 79.0 | 3.4 | 75.6 |
| 1993 | 78.4 | 3.5 | 74.9 |
| 1994 | 77.8 | 3.6 | 74.2 |
| 1995 | 77.1 | 3.7 | 73.5 |
| 1996 | 76.5 | 3.7 | 72.8 |
| 1997 | 76.0 | 3.8 | 72.2 |
| 1998 | 75.4 | 3.9 | 71.5 |
| 1999 | 74.8 | 3.9 | 70.9 |
| 2000 | 74.3 | 4.0 | 70.3 |
| 2001 | 73.7 | 4.0 | 69.7 |
| 2002 | 73.1 | 4.1 | 69.0 |
| 2003 | 72.5 | 4.1 | 68.4 |
| 2004 | 71.9 | 4.2 | 67.7 |
| 2005 | 71.2 | 4.2 | 67.0 |
| 2006 | 70.6 | 4.2 | 66.3 |
| 2007 | 69.9 | 4.3 | 65.7 |
| 2008 | 69.3 | 4.3 | 65.0 |
| 2009 | 68.6 | 4.3 | 64.3 |
| 2010 | 68.0 | 4.4 | 63.6 |
| 2011 | 67.3 | 4.4 | 63.0 |
| 2012 | 66.7 | 4.4 | 62.3 |
| 2013 | 66.1 | 4.5 | 61.6 |
| 2014 | 65.4 | 4.5 | 60.9 |
| 2015 | 64.7 | 4.5 | 60.2 |
| 2016 | 64.0 | 4.6 | 59.4 |
| 2017 | 63.3 | 4.7 | 58.7 |
| 2018 | 62.6 | 4.7 | 57.9 |
| 2019 | 61.9 | 4.8 | 57.1 |
| 2020 | 61.2 | 4.9 | 56.3 |
| 2021 | 60.5 | 5.0 | 55.5 |
2021年，巴布亚新几内亚总抚养比为60.5%，其中老年抚养比为5%，少儿抚养比为55.5%。
