데이터 표
| 1949 | 1.98억 | 1975 | 22.8억 | 2001 | 72.2억 |
| 1950 | 2.13억 | 1976 | 25.3억 | 2002 | 90.5억 |
| 1951 | 2.32억 | 1977 | 27.7억 | 2003 | 103억 |
| 1952 | 2.58억 | 1978 | 27.3억 | 2004 | 109억 |
| 1953 | 2.94억 | 1979 | 30억 | 2005 | 121억 |
| 1954 | 3.32억 | 1980 | 26.7억 | 2006 | 130억 |
| 1955 | 3.83억 | 1981 | 28.1억 | 2007 | 150억 |
| 1956 | 4.12억 | 1982 | 27.5억 | 2008 | 168억 |
| 1957 | 4.5억 | 1983 | 24.7억 | 2009 | 160억 |
| 1958 | 5.23억 | 1984 | 21.9억 | 2010 | 177억 |
| 1959 | 7.66억 | 1985 | 23.7억 | 2011 | 170억 |
| 1960 | 4.69억 | 1986 | 27.7억 | 2012 | 177억 |
| 1961 | 3.01억 | 1987 | 28.9억 | 2013 | 184억 |
| 1962 | 3.3억 | 1988 | 26.6억 | 2014 | 176억 |
| 1963 | 3.5억 | 1989 | 33.7억 | 2015 | 157억 |
| 1964 | 3.81억 | 1990 | 53.2억 | 2016 | 178억 |
| 1965 | 4.23억 | 1991 | 56.7억 | 2017 | 176억 |
| 1966 | 4.42억 | 1992 | 61.6억 | 2018 | 196억 |
| 1967 | 5.08억 | 1993 | 70.8억 | 2019 | 205억 |
| 1968 | 5.71억 | 1994 | 52.9억 | 2020 | 158억 |
| 1969 | 5.97억 | 1995 | 66.1억 | 2021 | 152억 |
| 1970 | 5.65억 | 1996 | 75.1억 | 2022 | 150억 |
| 1971 | 5.71억 | 1997 | 77.9억 | 2023 | 192억 |
| 1972 | 7.04억 | 1998 | 87.8억 | 2024 | 250억 |
| 1973 | 8.62억 | 1999 | 99.5억 | 2025 | 300억 |
| 1974 | 11.4억 | 2000 | 99.9억 | | |
데이터 표
| 1960 | 3.5% | 1982 | 4.3% | 2004 | 2.7% |
| 1961 | 3.8% | 1983 | 3.9% | 2005 | 2.4% |
| 1962 | 3.7% | 1984 | 3.6% | 2006 | 2.3% |
| 1963 | 3.4% | 1985 | 3.5% | 2007 | 2.2% |
| 1964 | 3.4% | 1986 | 3.6% | 2008 | 2.2% |
| 1965 | 3.6% | 1987 | 3.3% | 2009 | 2.5% |
| 1966 | 3.1% | 1988 | 2.9% | 2010 | 2.3% |
| 1967 | 3.3% | 1989 | 3.1% | 2011 | 2% |
| 1968 | 3.3% | 1990 | 3.5% | 2012 | 2% |
| 1969 | 3.1% | 1991 | 3.8% | 2013 | 1.9% |
| 1970 | 3.3% | 1992 | 3.9% | 2014 | 1.9% |
| 1971 | 3.5% | 1993 | 3.9% | 2015 | 1.8% |
| 1972 | 3.4% | 1994 | 4.1% | 2016 | 2% |
| 1973 | 3.3% | 1995 | 2.8% | 2017 | 2% |
| 1974 | 3.2% | 1996 | 3% | 2018 | 2.5% |
| 1975 | 5.1% | 1997 | 3% | 2019 | 2.6% |
| 1976 | 4.9% | 1998 | 3.2% | 2020 | 2.2% |
| 1977 | 4.7% | 1999 | 3.9% | 2021 | 1.8% |
| 1978 | 4.2% | 2000 | 3.6% | 2022 | 1.6% |
| 1979 | 3.4% | 2001 | 3.6% | 2023 | 1.7% |
| 1980 | 3.9% | 2002 | 3.8% | 2024 | 1.8% |
| 1981 | 3.8% | 2003 | 3.3% | 2025 | 1.9% |