데이터 표
| 1950 | 4.26억 | 1976 | 35.8억 | 2002 | 85억 |
| 1951 | 9.86억 | 1977 | 37.5억 | 2003 | 99.6억 |
| 1952 | 17.5억 | 1978 | 39.7억 | 2004 | 113억 |
| 1953 | 19.8억 | 1979 | 40.8억 | 2005 | 130억 |
| 1954 | 18.7억 | 1980 | 47.4억 | 2006 | 148억 |
| 1955 | 18.3억 | 1981 | 51.4억 | 2007 | 174억 |
| 1956 | 19억 | 1982 | 60.2억 | 2008 | 193억 |
| 1957 | 19.2억 | 1983 | 69.5억 | 2009 | 189억 |
| 1958 | 18.2억 | 1984 | 73.5억 | 2010 | 193억 |
| 1959 | 17.4억 | 1985 | 74.6억 | 2011 | 214억 |
| 1960 | 17억 | 1986 | 77.8억 | 2012 | 205억 |
| 1961 | 16.8억 | 1987 | 86.9억 | 2013 | 185억 |
| 1962 | 16.7억 | 1988 | 99억 | 2014 | 197억 |
| 1963 | 16.1억 | 1989 | 107억 | 2015 | 182억 |
| 1964 | 16.6억 | 1990 | 114억 | 2016 | 175억 |
| 1965 | 15.7억 | 1991 | 113억 | 2017 | 214억 |
| 1966 | 16.1억 | 1992 | 108억 | 2018 | 216억 |
| 1967 | 17.8억 | 1993 | 103억 | 2019 | 213억 |
| 1968 | 18억 | 1994 | 95.8억 | 2020 | 235억 |
| 1969 | 17.7억 | 1995 | 91.8억 | 2021 | 247억 |
| 1970 | 18.9억 | 1996 | 86.2억 | 2022 | 251억 |
| 1971 | 20.8억 | 1997 | 79.5억 | 2023 | 289억 |
| 1972 | 22.3억 | 1998 | 77.5억 | 2024 | 306억 |
| 1973 | 23.6억 | 1999 | 82.1억 | 2025 | 375억 |
| 1974 | 28.1억 | 2000 | 83억 | | |
| 1975 | 31.8억 | 2001 | 83.8억 | | |
데이터 표
| 1950 | 2.4% | 1976 | 1.8% | 2002 | 1.1% |
| 1951 | 4.7% | 1977 | 1.8% | 2003 | 1.1% |
| 1952 | 6.8% | 1978 | 1.8% | 2004 | 1.1% |
| 1953 | 7.4% | 1979 | 1.7% | 2005 | 1.1% |
| 1954 | 6.9% | 1980 | 1.8% | 2006 | 1.1% |
| 1955 | 6.2% | 1981 | 1.7% | 2007 | 1.2% |
| 1956 | 5.7% | 1982 | 2% | 2008 | 1.2% |
| 1957 | 5.3% | 1983 | 2.1% | 2009 | 1.4% |
| 1958 | 4.9% | 1984 | 2.1% | 2010 | 1.2% |
| 1959 | 4.4% | 1985 | 2.1% | 2011 | 1.2% |
| 1960 | 4.2% | 1986 | 2.1% | 2012 | 1.1% |
| 1961 | 4.1% | 1987 | 2.1% | 2013 | 1% |
| 1962 | 4% | 1988 | 2% | 2014 | 1.1% |
| 1963 | 3.6% | 1989 | 1.9% | 2015 | 1.2% |
| 1964 | 3.4% | 1990 | 2% | 2016 | 1.1% |
| 1965 | 2.9% | 1991 | 1.9% | 2017 | 1.3% |
| 1966 | 2.7% | 1992 | 1.9% | 2018 | 1.3% |
| 1967 | 2.7% | 1993 | 1.8% | 2019 | 1.2% |
| 1968 | 2.5% | 1994 | 1.7% | 2020 | 1.4% |
| 1969 | 2.3% | 1995 | 1.6% | 2021 | 1.2% |
| 1970 | 2.2% | 1996 | 1.4% | 2022 | 1.1% |
| 1971 | 2.1% | 1997 | 1.2% | 2023 | 1.3% |
| 1972 | 2% | 1998 | 1.3% | 2024 | 1.3% |
| 1973 | 1.8% | 1999 | 1.2% | 2025 | 1.6% |
| 1974 | 1.8% | 2000 | 1.1% | | |
| 1975 | 1.9% | 2001 | 1.1% | | |