데이터 표
| 1950 | 1.71억 | 1976 | 24.4억 | 2002 | 79.5억 |
| 1951 | 2.94억 | 1977 | 25억 | 2003 | 99.3억 |
| 1952 | 4.4억 | 1978 | 28.2억 | 2004 | 120억 |
| 1953 | 4.62억 | 1979 | 31억 | 2005 | 132억 |
| 1954 | 4.17억 | 1980 | 36.6억 | 2006 | 142억 |
| 1955 | 4.32억 | 1981 | 43.2억 | 2007 | 172억 |
| 1956 | 4.45억 | 1982 | 44.6억 | 2008 | 186억 |
| 1957 | 4.38억 | 1983 | 45.1억 | 2009 | 190억 |
| 1958 | 4.4억 | 1984 | 49.3억 | 2010 | 232억 |
| 1959 | 4.5억 | 1985 | 43.9억 | 2011 | 266억 |
| 1960 | 4.6억 | 1986 | 46.1억 | 2012 | 262억 |
| 1961 | 4.71억 | 1987 | 50.6억 | 2013 | 248억 |
| 1962 | 4.89억 | 1988 | 58.4억 | 2014 | 258억 |
| 1963 | 5.53억 | 1989 | 63억 | 2015 | 240억 |
| 1964 | 6.56억 | 1990 | 67억 | 2016 | 264억 |
| 1965 | 7.87억 | 1991 | 70.2억 | 2017 | 277억 |
| 1966 | 9.87억 | 1992 | 68.8억 | 2018 | 268억 |
| 1967 | 12억 | 1993 | 67.3억 | 2019 | 261억 |
| 1968 | 13.2억 | 1994 | 74.6억 | 2020 | 273억 |
| 1969 | 13.1억 | 1995 | 76.7억 | 2021 | 327억 |
| 1970 | 12.8억 | 1996 | 82억 | 2022 | 324억 |
| 1971 | 13.3억 | 1997 | 79.4억 | 2023 | 324억 |
| 1972 | 14.8억 | 1998 | 71.1억 | 2024 | 342억 |
| 1973 | 18.6억 | 1999 | 77.7억 | 2025 | 353억 |
| 1974 | 21.3억 | 2000 | 72.7억 | | |
| 1975 | 22.7억 | 2001 | 70.4억 | | |
데이터 표
| 1950 | 2.9% | 1976 | 2.2% | 2002 | 1.9% |
| 1951 | 3.7% | 1977 | 2.2% | 2003 | 1.8% |
| 1952 | 5.2% | 1978 | 2.2% | 2004 | 1.8% |
| 1953 | 4.8% | 1979 | 2.2% | 2005 | 1.8% |
| 1954 | 4% | 1980 | 2.2% | 2006 | 1.8% |
| 1955 | 3.9% | 1981 | 2.3% | 2007 | 1.8% |
| 1956 | 3.7% | 1982 | 2.4% | 2008 | 1.8% |
| 1957 | 3.3% | 1983 | 2.5% | 2009 | 1.9% |
| 1958 | 3.3% | 1984 | 2.5% | 2010 | 1.8% |
| 1959 | 3.1% | 1985 | 2.5% | 2011 | 1.7% |
| 1960 | 2.4% | 1986 | 2.5% | 2012 | 1.7% |
| 1961 | 2.4% | 1987 | 2.4% | 2013 | 1.6% |
| 1962 | 2.4% | 1988 | 2.2% | 2014 | 1.8% |
| 1963 | 2.4% | 1989 | 2% | 2015 | 1.9% |
| 1964 | 2.6% | 1990 | 2.1% | 2016 | 2.1% |
| 1965 | 3% | 1991 | 2.2% | 2017 | 2% |
| 1966 | 3.5% | 1992 | 2.2% | 2018 | 1.9% |
| 1967 | 3.8% | 1993 | 2.2% | 2019 | 1.9% |
| 1968 | 3.8% | 1994 | 2.1% | 2020 | 2% |
| 1969 | 3.4% | 1995 | 2% | 2021 | 2% |
| 1970 | 3% | 1996 | 1.9% | 2022 | 1.9% |
| 1971 | 2.8% | 1997 | 1.9% | 2023 | 1.9% |
| 1972 | 2.7% | 1998 | 1.9% | 2024 | 1.9% |
| 1973 | 2.4% | 1999 | 1.9% | 2025 | 1.9% |
| 1974 | 2.3% | 2000 | 1.8% | | |
| 1975 | 2.3% | 2001 | 1.9% | | |