表を表示
| 1985 | 70.9% | 1999 | 25.9% | 2013 | 43.9% |
| 1986 | 46.5% | 2000 | 44.4% | 2014 | 35.3% |
| 1987 | 33.7% | 2001 | 38.1% | 2015 | 25.6% |
| 1988 | 33.5% | 2002 | 36.8% | 2016 | 23.1% |
| 1989 | 31.5% | 2003 | 38.9% | 2017 | 22.7% |
| 1990 | 30.3% | 2004 | 41.7% | 2018 | 30% |
| 1991 | 29.6% | 2005 | 45.1% | 2019 | 28% |
| 1992 | 25.8% | 2006 | 47.8% | 2020 | 16.6% |
| 1993 | 25.2% | 2007 | 32.4% | 2021 | 21.7% |
| 1994 | 24.5% | 2008 | 63.3% | 2022 | 25.9% |
| 1995 | 24.2% | 2009 | 38.4% | 2023 | 21.5% |
| 1996 | 28.2% | 2010 | 36.8% | 2024 | 17.4% |
| 1997 | 27.2% | 2011 | 51.5% | 2025 | 16.5% |
| 1998 | 21.4% | 2012 | 50.7% | 2026 | 18.4% |
表を表示
| 1980 | 62.7億 | 1996 | 28.6億 | 2012 | 121億 |
| 1981 | 84.5億 | 1997 | 28.4億 | 2013 | 99.3億 |
| 1982 | 78.7億 | 1998 | 19.2億 | 2014 | 76.4億 |
| 1983 | 77.5億 | 1999 | 25.4億 | 2015 | 45.5億 |
| 1984 | 73.5億 | 2000 | 50.8億 | 2016 | 36.4億 |
| 1985 | 75.3億 | 2001 | 42.3億 | 2017 | 38.1億 |
| 1986 | 33.3億 | 2002 | 42.7億 | 2018 | 54.9億 |
| 1987 | 27.5億 | 2003 | 49.3億 | 2019 | 51.4億 |
| 1988 | 24.9億 | 2004 | 61.5億 | 2020 | 27.5億 |
| 1989 | 25.3億 | 2005 | 79.2億 | 2021 | 40.9億 |
| 1990 | 27.1億 | 2006 | 96.5億 | 2022 | 59.5億 |
| 1991 | 26.9億 | 2007 | 66.4億 | 2023 | 43.6億 |
| 1992 | 23.2億 | 2008 | 143億 | 2024 | 35.7億 |
| 1993 | 22.7億 | 2009 | 66.5億 | 2025 | 34.5億 |
| 1994 | 22.5億 | 2010 | 68.7億 | 2026 | 40億 |
| 1995 | 24.5億 | 2011 | 120億 | | |
表を表示
| 1985 | 40.6% | 1999 | 44.1% | 2013 | 33.4% |
| 1986 | 40% | 2000 | 37.5% | 2014 | 34% |
| 1987 | 30.3% | 2001 | 35.5% | 2015 | 37% |
| 1988 | 36.6% | 2002 | 41.4% | 2016 | 39.8% |
| 1989 | 36.2% | 2003 | 30.9% | 2017 | 36.6% |
| 1990 | 32% | 2004 | 33.2% | 2018 | 32.9% |
| 1991 | 30.6% | 2005 | 29.1% | 2019 | 32.1% |
| 1992 | 34.1% | 2006 | 28% | 2020 | 32.8% |
| 1993 | 38% | 2007 | 29.3% | 2021 | 30.1% |
| 1994 | 47.1% | 2008 | 27.2% | 2022 | 26.1% |
| 1995 | 44% | 2009 | 34.8% | 2023 | 30.1% |
| 1996 | 36.9% | 2010 | 25.5% | 2024 | 30.3% |
| 1997 | 39% | 2011 | 29.9% | 2025 | 29.9% |
| 1998 | 45.4% | 2012 | 31.1% | 2026 | 29.1% |
表を表示
| 1980 | 11.4億 | 1996 | 37.4億 | 2012 | 74.1億 |
| 1981 | 13.8億 | 1997 | 40.8億 | 2013 | 75.7億 |
| 1982 | 21.7億 | 1998 | 40.7億 | 2014 | 73.7億 |
| 1983 | 56.3億 | 1999 | 43.2億 | 2015 | 65.8億 |
| 1984 | 41.4億 | 2000 | 43億 | 2016 | 62.7億 |
| 1985 | 43.2億 | 2001 | 39.5億 | 2017 | 61.2億 |
| 1986 | 28.7億 | 2002 | 48億 | 2018 | 60.2億 |
| 1987 | 24.7億 | 2003 | 39.1億 | 2019 | 59.1億 |
| 1988 | 27.1億 | 2004 | 48.9億 | 2020 | 54.4億 |
| 1989 | 29億 | 2005 | 51.1億 | 2021 | 56.6億 |
| 1990 | 28.5億 | 2006 | 56.5億 | 2022 | 60.1億 |
| 1991 | 27.8億 | 2007 | 60億 | 2023 | 61.1億 |
| 1992 | 30.7億 | 2008 | 61.4億 | 2024 | 62.1億 |
| 1993 | 34.3億 | 2009 | 60.3億 | 2025 | 62.4億 |
| 1994 | 43.1億 | 2010 | 47.6億 | 2026 | 63.4億 |
| 1995 | 44.6億 | 2011 | 69.7億 | | |