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岡山県岡山市

人口推移（年齢別内訳）



単位：人
項目名 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019
0-4歳 33,581 33,596 33,973 34,371 35,068 34,953 35,228 35,071 35,061 34,599 34,134 33,612 33,221 32,962 32,866 32,816 32,968 33,084 32,853 32,854 32,566 32,203 31,808 31,381 30,713
構成比（%） 5.2 5.1 5.2 5.2 5.3 5.2 5.3 5.2 5.2 5.1 5.0 4.9 4.9 4.8 4.8 4.8 4.8 4.8 4.7 4.7 4.6 4.6 4.5 4.4 4.3
5-9歳 35,900 34,884 34,095 33,552 33,199 33,029 32,965 33,180 33,715 34,247 34,345 34,663 34,685 34,661 34,152 33,797 33,200 33,021 32,884 32,939 32,732 33,034 32,885 32,600 32,376
構成比（%） 5.5 5.3 5.2 5.1 5.0 5.0 4.9 4.9 5.0 5.1 5.1 5.1 5.1 5.1 5.0 4.9 4.8 4.8 4.7 4.7 4.6 4.7 4.6 4.6 4.6
10-14歳 39,665 39,369 39,019 38,182 37,244 36,051 34,925 34,092 33,373 32,962 32,938 33,138 33,442 33,929 34,336 34,463 34,639 34,709 34,734 34,396 34,184 33,543 33,344 32,907 32,887
構成比（%） 6.1 6.0 5.9 5.8 5.6 5.4 5.2 5.1 5.0 4.9 4.9 4.9 4.9 4.9 5.0 5.0 5.0 5.0 4.9 4.9 4.8 4.7 4.7 4.6 4.6
15-19歳 44,346 42,452 41,329 40,668 40,302 39,870 39,623 39,041 38,513 37,495 36,049 35,176 34,298 33,786 33,230 33,246 33,397 33,731 34,382 34,886 35,081 35,498 35,488 35,662 35,351
構成比（%） 6.8 6.5 6.3 6.2 6.1 6.0 5.9 5.8 5.7 5.5 5.3 5.2 5.0 4.9 4.8 4.8 4.8 4.9 4.9 5.0 5.0 5.0 5.0 5.0 5.0
20-24歳 53,948 54,342 53,386 51,632 49,673 47,190 44,725 43,667 42,623 42,167 41,942 41,719 41,121 40,397 39,123 37,823 36,527 35,726 37,037 36,924 37,185 37,387 37,834 38,490 39,003
構成比（%） 8.3 8.3 8.1 7.8 7.5 7.1 6.7 6.5 6.3 6.2 6.2 6.1 6.0 5.9 5.7 5.5 5.3 5.2 5.3 5.2 5.3 5.3 5.3 5.4 5.5
25-29歳 44,805 46,881 50,348 52,509 54,365 55,164 55,004 53,590 51,941 49,691 47,450 45,576 44,265 43,208 42,531 42,241 41,773 41,463 42,036 41,492 40,014 39,211 38,590 38,172 37,916
構成比（%） 6.9 7.2 7.7 7.9 8.2 8.3 8.2 8.0 7.7 7.3 7.0 6.7 6.5 6.3 6.2 6.1 6.1 6.0 6.0 5.9 5.7 5.5 5.4 5.4 5.3
30-34歳 41,577 42,261 42,026 43,010 44,537 45,653 47,527 50,567 52,636 54,398 55,542 55,621 54,260 52,615 50,638 48,338 46,175 44,941 45,072 44,788 44,625 43,932 43,437 42,440 41,426
構成比（%） 6.4 6.5 6.4 6.5 6.7 6.8 7.1 7.5 7.8 8.0 8.2 8.2 7.9 7.7 7.4 7.0 6.7 6.5 6.4 6.4 6.3 6.2 6.1 6.0 5.8
35-39歳 41,240 40,762 40,815 41,186 40,991 41,482 42,039 41,743 42,767 44,292 45,295 47,356 50,664 52,714 54,446 55,803 55,866 54,844 53,870 52,475 50,170 48,281 46,710 45,583 44,579
構成比（%） 6.4 6.2 6.2 6.2 6.2 6.2 6.3 6.2 6.3 6.5 6.7 7.0 7.4 7.7 7.9 8.1 8.1 7.9 7.7 7.4 7.1 6.8 6.6 6.4 6.3
40-44歳 44,960 43,110 41,827 41,087 41,228 41,264 40,766 40,649 40,878 40,817 41,404 42,323 41,981 42,979 44,429 45,462 47,368 50,873 53,740 55,267 56,916 57,335 56,405 54,652 52,487
構成比（%） 6.9 6.6 6.4 6.2 6.2 6.2 6.1 6.1 6.1 6.0 6.1 6.2 6.1 6.3 6.5 6.6 6.9 7.4 7.7 7.8 8.1 8.1 8.0 7.7 7.4
45-49歳 54,762 57,606 56,788 52,535 48,290 44,652 42,790 41,562 40,850 40,900 40,934 40,493 40,544 40,782 40,656 41,437 42,044 41,827 43,376 44,765 45,757 47,096 51,280 53,122 55,131
構成比（%） 8.4 8.8 8.6 7.9 7.3 6.7 6.4 6.2 6.1 6.0 6.0 5.9 5.9 5.9 5.9 6.0 6.1 6.0 6.2 6.4 6.5 6.7 7.2 7.5 7.8
50-54歳 46,007 44,727 45,056 48,327 51,603 54,020 56,740 55,731 51,671 47,547 44,034 42,344 41,140 40,420 40,410 40,547 40,081 40,085 40,800 40,785 41,491 42,741 41,638 42,992 44,354
構成比（%） 7.1 6.9 6.9 7.3 7.8 8.1 8.5 8.3 7.7 7.0 6.5 6.2 6.0 5.9 5.9 5.9 5.8 5.8 5.8 5.8 5.9 6.0 5.9 6.1 6.3
55-59歳 37,613 37,875 39,556 40,715 43,250 44,996 43,733 43,976 47,151 50,391 52,859 55,665 54,855 50,938 46,943 43,477 41,730 40,480 40,180 40,232 40,344 40,363 40,067 40,352 40,288
構成比（%） 5.8 5.8 6.0 6.2 6.5 6.8 6.5 6.6 7.0 7.4 7.8 8.2 8.0 7.4 6.8 6.3 6.1 5.9 5.7 5.7 5.7 5.7 5.7 5.7 5.7
60-64歳 37,827 38,102 38,082 37,926 36,795 36,633 36,977 38,669 39,849 42,245 43,912 42,669 43,014 46,203 49,389 51,749 54,412 53,595 50,103 47,587 43,482 41,801 40,573 39,664 39,533
構成比（%） 5.8 5.8 5.8 5.7 5.5 5.5 5.5 5.8 5.9 6.2 6.5 6.3 6.3 6.7 7.2 7.5 7.9 7.7 7.1 6.8 6.2 5.9 5.7 5.6 5.6
65-69歳 32,186 33,441 34,502 35,911 35,995 35,996 36,306 36,374 36,227 35,230 35,144 35,506 37,231 38,415 40,743 42,373 41,135 41,423 44,804 47,067 49,968 52,129 53,161 49,832 46,084
構成比（%） 5.0 5.1 5.2 5.4 5.4 5.4 5.4 5.4 5.4 5.2 5.2 5.2 5.4 5.6 5.9 6.1 6.0 6.0 6.4 6.7 7.1 7.4 7.5 7.0 6.5
70-74歳 23,115 24,366 25,847 26,840 28,636 29,712 30,944 31,821 33,246 33,405 33,544 33,914 34,079 34,027 33,135 33,170 33,465 35,140 36,482 38,064 40,267 39,944 38,892 41,714 44,726
構成比（%） 3.6 3.7 3.9 4.1 4.3 4.5 4.6 4.7 4.9 4.9 4.9 5.0 5.0 5.0 4.8 4.8 4.9 5.1 5.2 5.4 5.7 5.6 5.5 5.9 6.3
75-79歳 16,135 16,627 17,307 18,463 19,603 20,451 21,605 22,998 23,867 25,465 26,558 27,612 28,565 29,911 30,231 30,360 30,730 30,910 31,045 30,491 30,425 30,467 32,260 33,245 35,142
構成比（%） 2.5 2.5 2.6 2.8 2.9 3.1 3.2 3.4 3.5 3.8 3.9 4.1 4.2 4.4 4.4 4.4 4.5 4.5 4.4 4.3 4.3 4.3 4.6 4.7 5.0
80歳以上 21,714 22,460 23,323 24,034 24,512 25,491 26,693 27,829 29,203 30,602 32,079 33,846 35,893 37,617 39,878 41,894 44,028 46,103 48,525 49,560 50,820 52,650 54,280 56,380 57,245
構成比（%） 3.3 3.4 3.5 3.6 3.7 3.8 4.0 4.2 4.3 4.5 4.7 5.0 5.3 5.5 5.8 6.1 6.4 6.7 6.9 7.0 7.2 7.4 7.7 7.9 8.1

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