各年9月までの１年間 純増減 自然増減数 出生者数 死亡者数 社会増減数 転入者数 転出者数 1975 8,655 9,794 17,747 7,953 -1,139 22,292 23,431 1976 7,834 9,049 16,962 7,913 -1,215 21,032 22,247 1977 7,085 8,146 15,955 7,809 -1,061 20,689 21,750 1978 6,283 7,470 15,303 7,833 -1,187 20,569 21,756 1979 6,119 6,960 14,436 7,476 -841 21,114 21,955 1980 7,249 6,008 13,835 7,827 1,241 22,457 21,216 1981 2,809 5,126 13,060 7,934 -2,317 18,829 21,146 1982 3,212 5,017 12,686 7,669 -1,805 19,438 21,243 1983 2,851 4,926 12,822 7,896 -2,075 19,734 21,809 1984 2,700 4,529 12,598 8,069 -1,829 19,041 20,870 1985 2,451 4,077 12,117 8,040 -1,626 18,757 20,383 1986 1,366 3,556 11,627 8,071 -2,190 18,426 20,616 1987 1,434 3,387 11,292 7,905 -1,953 18,569 20,522 1988 411 2,462 10,848 8,386 -2,051 18,292 20,343 1989 649 2,028 10,427 8,399 -1,379 18,905 20,284 1990 -346 1,528 10,189 8,661 -1,874 18,812 20,686 1991 1,123 1,269 9,922 8,653 -146 20,407 20,553 1992 -56 1,059 10,044 8,985 -1,115 20,522 21,637 1993 1,074 626 9,815 9,189 448 21,263 20,815 1994 1,654 809 9,924 9,115 845 21,553 20,708 1995 1,981 872 10,404 9,532 1,109 22,216 21,107 1996 2,005 993 10,180 9,187 1,012 22,198 21,186 1997 1,062 727 10,222 9,495 335 22,181 21,846 1998 144 634 10,340 9,706 -490 21,739 22,229 1999 -1,159 -164 10,078 10,242 -995 20,388 21,383 2000 -97 486 10,245 9,759 -583 21,591 22,174 2001 -531 402 10,029 9,627 -933 21,411 22,344 2002 -1,802 410 10,175 9,765 -2,212 20,469 22,681 2003 -1,592 -902 9,543 10,445 -690 21,069 21,759 2004 -620 -860 9,566 10,426 240 21,589 21,349 2005 -1,614 -1,616 9,150 10,766 2 21,891 21,889 2006 -2,524 -1,918 9,043 10,961 -606 21,414 22,020 2007 -3,893 -2,228 8,881 11,109 -1,665 20,167 21,832 2008 -4,020 -2,624 8,936 11,560 -1,396 19,174 20,570 2009 -6,075 -2,993 8,583 11,576 -3,082 17,584 20,666 2010 -4,850 -3,396 8,385 11,781 -1,454 16,777 18,231 2011 -4,838 -4,033 8,190 12,223 -805 17,037 17,842 2012 -5,646 -4,575 8,024 12,599 -1,071 17,003 18,074 2013 -6,605 -4,795 7,898 12,693 -1,810 16,010 17,820 2014 -6,088 -4,941 7,657 12,598 -1,147 15,939 17,086 2015 -6,061 -5,164 7,667 12,831 -897 16,744 17,641 2016 -4,935 -5,161 7,582 12,743 226 17,352 17,126 2017 -5,500 -5,858 7,251 13,109 358 17,822 17,464 2018 -5,647 -6,166 7,088 13,254 519 18,388 17,869 2019 -7,248 -6,435 6,771 13,206 -813 18,878 19,691 2020 -8328 -6428 6491 12919 -1900 27108 29008 2021 -9405 -7427 6243 13670 -1978 26099 28077