表を表示
| 1956 | 9.65万 | 1976 | 1.79億 | 1997 | 9,773万 |
| 1957 | 1,410万 | 1977 | 2.17億 | 1998 | 2.6億 |
| 1958 | 1,436万 | 1978 | 1.76億 | 1999 | 4.3億 |
| 1959 | 1,660万 | 1979 | 2.4億 | 2000 | 5.87億 |
| 1960 | 1,867万 | 1980 | 2.28億 | 2001 | 3.88億 |
| 1961 | 2,051万 | 1981 | 2.04億 | 2002 | 4.85億 |
| 1962 | 2,484万 | 1982 | 1.72億 | 2003 | 3.98億 |
| 1963 | 2,814万 | 1983 | 2.31億 | 2004 | 12.4億 |
| 1964 | 4,187万 | 1984 | 3.55億 | 2005 | 11.6億 |
| 1965 | 5,638万 | 1985 | 2.05億 | 2006 | 16.5億 |
| 1966 | 5,032万 | 1986 | 2.6億 | 2007 | 24.3億 |
| 1967 | 5,227万 | 1987 | 3.1億 | 2008 | 32.3億 |
| 1968 | 5,773万 | 1988 | 3.69億 | 2009 | 31.8億 |
| 1969 | 8,702万 | 1990 | 11.8億 | 2015 | 22.8億 |
| 1970 | 1.08億 | 1991 | 13.7億 | 2016 | 27.3億 |
| 1971 | 1.1億 | 1992 | 1.84億 | 2017 | 43.6億 |
| 1972 | 1.08億 | 1993 | 2.58億 | 2018 | 9.96億 |
| 1973 | 1.13億 | 1994 | 2.26億 | 2019 | 7.23億 |
| 1974 | 1.11億 | 1995 | 1.39億 | 2020 | 9.37億 |
| 1975 | 1.19億 | 1996 | 1.06億 | 2021 | 3.69億 |
表を表示
| 1956 | 1.1% | 1976 | 2.7% | 1997 | 1% |
| 1957 | 1.6% | 1977 | 2.6% | 1998 | 2.4% |
| 1958 | 1.5% | 1978 | 2% | 1999 | 4% |
| 1959 | 1.7% | 1979 | 2.6% | 2000 | 4.5% |
| 1960 | 1.9% | 1980 | 2.3% | 2001 | 2.5% |
| 1961 | 1.8% | 1981 | 1.8% | 2002 | 2.7% |
| 1962 | 2.1% | 1982 | 2.4% | 2003 | 1.9% |
| 1963 | 2.1% | 1983 | 3.3% | 2004 | 4.7% |
| 1964 | 3.1% | 1984 | 4.1% | 2005 | 3.3% |
| 1965 | 4.1% | 1985 | 3.4% | 2006 | 3.6% |
| 1966 | 3.5% | 1986 | 3.2% | 2007 | 4.1% |
| 1967 | 3.7% | 1987 | 2.6% | 2008 | 5% |
| 1968 | 3.8% | 1988 | 3.6% | 2009 | 5.5% |
| 1969 | 5.2% | 1990 | 4.8% | 2015 | 2.7% |
| 1970 | 5% | 1991 | 5% | 2016 | 2.3% |
| 1971 | 4.6% | 1992 | 4.4% | 2017 | 3.3% |
| 1972 | 4.2% | 1993 | 4.9% | 2018 | 1.8% |
| 1973 | 3.2% | 1994 | 3.9% | 2019 | 1.6% |
| 1974 | 2.6% | 1995 | 2.1% | 2020 | 1% |
| 1975 | 2.3% | 1996 | 1.3% | 2021 | 0.9% |