| 年份 | 粗出生率 | 粗死亡率 | 自然增长率 |
|---|---|---|---|
| 1960 | 44.7 | 16.9 | 27.8 |
| 1961 | 44.4 | 16.4 | 28.0 |
| 1962 | 44.5 | 16.2 | 28.3 |
| 1963 | 44.3 | 15.5 | 28.8 |
| 1964 | 44.3 | 15.1 | 29.2 |
| 1965 | 44.2 | 14.7 | 29.6 |
| 1966 | 44.3 | 14.2 | 30.1 |
| 1967 | 44.1 | 13.7 | 30.4 |
| 1968 | 44.1 | 13.3 | 30.8 |
| 1969 | 43.9 | 12.8 | 31.1 |
| 1970 | 43.7 | 12.4 | 31.3 |
| 1971 | 43.3 | 12.0 | 31.3 |
| 1972 | 42.8 | 11.6 | 31.3 |
| 1973 | 42.0 | 11.1 | 30.9 |
| 1974 | 41.2 | 10.7 | 30.6 |
| 1975 | 40.5 | 10.3 | 30.2 |
| 1976 | 39.9 | 10.0 | 29.9 |
| 1977 | 39.2 | 9.7 | 29.6 |
| 1978 | 38.6 | 9.4 | 29.2 |
| 1979 | 38.0 | 9.2 | 28.8 |
| 1980 | 37.5 | 9.0 | 28.5 |
| 1981 | 37.3 | 8.8 | 28.5 |
| 1982 | 37.2 | 8.7 | 28.5 |
| 1983 | 37.3 | 8.6 | 28.7 |
| 1984 | 37.3 | 8.5 | 28.8 |
| 1985 | 37.3 | 8.4 | 28.8 |
| 1986 | 37.2 | 8.4 | 28.8 |
| 1987 | 37.2 | 8.3 | 28.8 |
| 1988 | 37.1 | 8.3 | 28.8 |
| 1989 | 37.0 | 8.2 | 28.8 |
| 1990 | 36.7 | 8.1 | 28.6 |
| 1991 | 36.3 | 8.0 | 28.2 |
| 1992 | 36.0 | 7.9 | 28.0 |
| 1993 | 35.8 | 7.8 | 28.0 |
| 1994 | 35.4 | 7.7 | 27.7 |
| 1995 | 35.0 | 7.6 | 27.4 |
| 1996 | 34.9 | 7.6 | 27.3 |
| 1997 | 34.7 | 7.5 | 27.2 |
| 1998 | 34.6 | 7.9 | 26.7 |
| 1999 | 34.4 | 7.5 | 27.0 |
| 2000 | 34.2 | 7.5 | 26.7 |
| 2001 | 33.9 | 7.5 | 26.4 |
| 2002 | 33.7 | 7.5 | 26.1 |
| 2003 | 33.4 | 7.5 | 25.9 |
| 2004 | 32.9 | 7.6 | 25.3 |
| 2005 | 32.5 | 7.6 | 24.9 |
| 2006 | 32.1 | 7.5 | 24.5 |
| 2007 | 31.6 | 7.5 | 24.1 |
| 2008 | 31.2 | 7.3 | 23.9 |
| 2009 | 30.8 | 7.2 | 23.6 |
| 2010 | 30.4 | 7.1 | 23.3 |
| 2011 | 30.0 | 7.0 | 23.1 |
| 2012 | 29.6 | 6.9 | 22.7 |
| 2013 | 29.1 | 6.8 | 22.3 |
| 2014 | 28.7 | 6.7 | 22.0 |
| 2015 | 28.2 | 6.6 | 21.6 |
| 2016 | 27.7 | 6.6 | 21.1 |
| 2017 | 27.2 | 6.5 | 20.7 |
| 2018 | 26.8 | 6.5 | 20.3 |
| 2019 | 26.4 | 6.5 | 19.9 |
| 2020 | 26.0 | 6.4 | 19.6 |
| 2021 | 25.5 | 6.7 | 18.8 |
2021年，巴布亚新几内亚人口粗出生率为25.5‰，粗死亡率为6.7‰，自然增长率为18.8‰。
