데이터 표
| 1968 | 689만 | 1993 | 4,021만 | 2010 | 4,427만 |
| 1969 | 699만 | 1994 | 3,540만 | 2011 | 5,145만 |
| 1970 | 835만 | 1995 | 3,512만 | 2012 | 7,013만 |
| 1971 | 844만 | 1996 | 3,153만 | 2013 | 7,453만 |
| 1972 | 1,097만 | 1997 | 3,027만 | 2014 | 8,139만 |
| 1973 | 1,043만 | 1998 | 2,627만 | 2015 | 9,893만 |
| 1974 | 1,500만 | 1999 | 2,693만 | 2016 | 8,501만 |
| 1975 | 1,854만 | 2000 | 3,083만 | 2017 | 8,637만 |
| 1976 | 2,523만 | 2001 | 2,819만 | 2018 | 8,169만 |
| 1977 | 3,523만 | 2002 | 3,483만 | 2019 | 7,630만 |
| 1978 | 4,455만 | 2003 | 3,531만 | 2020 | 7,951만 |
| 1979 | 3,228만 | 2004 | 3,263만 | 2021 | 7,704만 |
| 1980 | 4,716만 | 2005 | 3,412만 | 2022 | 8,417만 |
| 1981 | 7,193만 | 2006 | 3,729만 | 2023 | 9,889만 |
| 1990 | 11.4억 | 2007 | 3,947만 | 2024 | 1.09억 |
| 1991 | 6,767만 | 2008 | 4,266만 | 2025 | 1.16억 |
| 1992 | 4,720만 | 2009 | 4,172만 | | |
데이터 표
| 1968 | 1.5% | 1994 | 1.2% | 2011 | 0.5% |
| 1969 | 1.4% | 1995 | 1.1% | 2012 | 0.7% |
| 1970 | 1.6% | 1996 | 0.9% | 2013 | 0.7% |
| 1971 | 1.5% | 1997 | 0.9% | 2014 | 0.7% |
| 1972 | 1.9% | 1998 | 0.7% | 2015 | 0.8% |
| 1973 | 1.4% | 1999 | 0.7% | 2016 | 0.6% |
| 1974 | 1.5% | 2000 | 0.8% | 2017 | 0.6% |
| 1975 | 1.7% | 2001 | 0.7% | 2018 | 0.6% |
| 1976 | 2.1% | 2002 | 0.9% | 2019 | 0.6% |
| 1977 | 2.5% | 2003 | 0.9% | 2020 | 0.6% |
| 1978 | 3.2% | 2004 | 0.7% | 2021 | 0.5% |
| 1979 | 3.1% | 2005 | 0.7% | 2022 | 0.5% |
| 1980 | 3.3% | 2006 | 0.6% | 2023 | 0.6% |
| 1981 | 4.3% | 2007 | 0.5% | 2024 | 0.6% |
| 1991 | 4% | 2008 | 0.5% | 2025 | 0.6% |
| 1992 | 2.6% | 2009 | 0.5% | | |
| 1993 | 2.1% | 2010 | 0.5% | | |