表を表示
| 1962 | 3.05億 | 1984 | 25.3億 | 2006 | 18.5億 |
| 1963 | 2.42億 | 1985 | 20.3億 | 2007 | 23億 |
| 1964 | 2.46億 | 1986 | 24.5億 | 2008 | 27.9億 |
| 1965 | 2.52億 | 1987 | 24.9億 | 2009 | 29.8億 |
| 1966 | 2.79億 | 1988 | 27億 | 2010 | 34.8億 |
| 1967 | 2.52億 | 1989 | 14.4億 | 2011 | 40.5億 |
| 1968 | 3.37億 | 1990 | 20.5億 | 2012 | 45.6億 |
| 1969 | 4.43億 | 1991 | 28.6億 | 2013 | 51.4億 |
| 1970 | 4.46億 | 1992 | 32.5億 | 2014 | 49.8億 |
| 1971 | 5.2億 | 1993 | 33.7億 | 2015 | 54.8億 |
| 1972 | 7.66億 | 1994 | 37.5億 | 2016 | 45.1億 |
| 1973 | 12.9億 | 1995 | 38億 | 2017 | 54.6億 |
| 1974 | 16.3億 | 1996 | 33.8億 | 2018 | 38.4億 |
| 1975 | 7.98億 | 1997 | 33.4億 | 2019 | 31.3億 |
| 1976 | 20.5億 | 1998 | 34億 | 2020 | 28.3億 |
| 1977 | 20.6億 | 1999 | 34.6億 | 2021 | 30.7億 |
| 1978 | 31億 | 2000 | 32.7億 | 2022 | 43.4億 |
| 1979 | 50.6億 | 2001 | 31.8億 | 2023 | 48.8億 |
| 1980 | 64.8億 | 2002 | 11.1億 | 2024 | 41.8億 |
| 1981 | 58.8億 | 2003 | 13.7億 | 2025 | 38.8億 |
| 1982 | 22.8億 | 2004 | 14.7億 | | |
| 1983 | 28.5億 | 2005 | 17億 | | |
表を表示
| 1950 | 2.9% | 1981 | 3.5% | 2004 | 0.9% |
| 1959 | 0.8% | 1982 | 2.7% | 2005 | 0.8% |
| 1960 | 1.6% | 1983 | 2.7% | 2006 | 0.8% |
| 1961 | 2.1% | 1984 | 2.2% | 2007 | 0.8% |
| 1962 | 2.7% | 1985 | 2.3% | 2008 | 0.8% |
| 1963 | 1.7% | 1986 | 2.3% | 2009 | 0.9% |
| 1964 | 1.1% | 1987 | 2.3% | 2010 | 0.8% |
| 1965 | 1.1% | 1988 | 2.1% | 2011 | 0.8% |
| 1966 | 1.2% | 1989 | 1.9% | 2012 | 0.8% |
| 1967 | 1.4% | 1990 | 1.5% | 2013 | 0.8% |
| 1968 | 1.7% | 1991 | 1.5% | 2014 | 0.9% |
| 1969 | 1.9% | 1992 | 1.4% | 2015 | 0.9% |
| 1970 | 1.9% | 1993 | 1.4% | 2016 | 0.8% |
| 1971 | 1.8% | 1994 | 1.5% | 2017 | 0.8% |
| 1972 | 1.8% | 1995 | 1.5% | 2018 | 0.7% |
| 1973 | 1.8% | 1996 | 1.2% | 2019 | 0.7% |
| 1974 | 1.7% | 1997 | 1.1% | 2020 | 0.7% |
| 1975 | 2% | 1998 | 1.1% | 2021 | 0.6% |
| 1976 | 3.8% | 1999 | 1.2% | 2022 | 0.7% |
| 1977 | 4% | 2000 | 1.1% | 2023 | 0.8% |
| 1978 | 4.7% | 2001 | 1.2% | 2024 | 0.7% |
| 1979 | 4.7% | 2002 | 1.1% | 2025 | 0.6% |
| 1980 | 3.1% | 2003 | 1.1% | | |