表を表示
| 1985 | 32.1% | 1999 | 30.7% | 2013 | 25.7% |
| 1986 | 28.5% | 2000 | 29.4% | 2014 | 29.6% |
| 1987 | 26% | 2001 | 29.5% | 2015 | 27.1% |
| 1988 | 28.3% | 2002 | 28.4% | 2016 | 27.3% |
| 1989 | 32.2% | 2003 | 33.4% | 2017 | 28.5% |
| 1990 | 33.1% | 2004 | 35.7% | 2018 | 29.1% |
| 1991 | 31.5% | 2005 | 34.4% | 2019 | 27.6% |
| 1992 | 33.8% | 2006 | 32.1% | 2020 | 25.5% |
| 1993 | 31% | 2007 | 35.1% | 2021 | 27.2% |
| 1994 | 29% | 2008 | 31.5% | 2022 | 27.9% |
| 1995 | 30.6% | 2009 | 28.4% | 2023 | 27.4% |
| 1996 | 29.9% | 2010 | 26.8% | 2024 | 27.3% |
| 1997 | 28% | 2011 | 28.1% | 2025 | 27.4% |
| 1998 | 26.7% | 2012 | 25% | 2026 | 28.2% |
表を表示
| 1985 | 7.03億 | 1999 | 20.2億 | 2013 | 69.1億 |
| 1986 | 7.09億 | 2000 | 20.1億 | 2014 | 85.1億 |
| 1987 | 6.6億 | 2001 | 21.4億 | 2015 | 81.6億 |
| 1988 | 7.38億 | 2002 | 22.2億 | 2016 | 84.8億 |
| 1989 | 8.7億 | 2003 | 27.6億 | 2017 | 92.1億 |
| 1990 | 10.1億 | 2004 | 32.9億 | 2018 | 98億 |
| 1991 | 10.3億 | 2005 | 35.4億 | 2019 | 95.3億 |
| 1992 | 13.7億 | 2006 | 39.7億 | 2020 | 86.7億 |
| 1993 | 13.5億 | 2007 | 49.4億 | 2021 | 97.9億 |
| 1994 | 14.2億 | 2008 | 57.3億 | 2022 | 106億 |
| 1995 | 16.2億 | 2009 | 55.4億 | 2023 | 109億 |
| 1996 | 16.5億 | 2010 | 57.5億 | 2024 | 114億 |
| 1997 | 16.2億 | 2011 | 65.2億 | 2025 | 120億 |
| 1998 | 17.1億 | 2012 | 61.9億 | 2026 | 130億 |
表を表示
| 1985 | 39.6% | 1999 | 31.8% | 2013 | 34.5% |
| 1986 | 32.3% | 2000 | 31.2% | 2014 | 36.3% |
| 1987 | 39.3% | 2001 | 30.6% | 2015 | 32.3% |
| 1988 | 41.2% | 2002 | 31.6% | 2016 | 30% |
| 1989 | 39.1% | 2003 | 35% | 2017 | 31.7% |
| 1990 | 39.9% | 2004 | 35.1% | 2018 | 33.3% |
| 1991 | 39.6% | 2005 | 36.6% | 2019 | 32.7% |
| 1992 | 31.7% | 2006 | 34% | 2020 | 33% |
| 1993 | 32.5% | 2007 | 32.4% | 2021 | 33.8% |
| 1994 | 30.6% | 2008 | 29.6% | 2022 | 32.8% |
| 1995 | 32.1% | 2009 | 30.7% | 2023 | 33.9% |
| 1996 | 32.6% | 2010 | 26.6% | 2024 | 34.6% |
| 1997 | 30.7% | 2011 | 29.4% | 2025 | 33.7% |
| 1998 | 32.3% | 2012 | 28.3% | 2026 | 33.7% |
表を表示
| 1985 | 8.67億 | 1999 | 21億 | 2013 | 92.7億 |
| 1986 | 8.04億 | 2000 | 21.3億 | 2014 | 104億 |
| 1987 | 10億 | 2001 | 22.2億 | 2015 | 97.2億 |
| 1988 | 10.8億 | 2002 | 24.7億 | 2016 | 92.9億 |
| 1989 | 10.5億 | 2003 | 29億 | 2017 | 102億 |
| 1990 | 12.2億 | 2004 | 32.4億 | 2018 | 112億 |
| 1991 | 13億 | 2005 | 37.6億 | 2019 | 113億 |
| 1992 | 12.9億 | 2006 | 42億 | 2020 | 112億 |
| 1993 | 14.1億 | 2007 | 45.5億 | 2021 | 122億 |
| 1994 | 15億 | 2008 | 53.8億 | 2022 | 125億 |
| 1995 | 17億 | 2009 | 59.8億 | 2023 | 135億 |
| 1996 | 18億 | 2010 | 57.1億 | 2024 | 144億 |
| 1997 | 17.8億 | 2011 | 68億 | 2025 | 147億 |
| 1998 | 20.6億 | 2012 | 70.1億 | 2026 | 155億 |