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高知県高知市

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 16,130 16,391 16,610 16,617 16,556 16,470 16,420 16,477 16,320 16,129 15,812 15,651 15,298 14,984 14,880 14,832 14,677 14,426 14,184 13,926 13,778 13,518 13,343 13,070 12,681
構成比（%） 4.8 4.8 4.9 4.9 4.8 4.8 4.8 4.8 4.7 4.7 4.6 4.5 4.5 4.4 4.4 4.4 4.3 4.3 4.2 4.1 4.1 4.0 4.0 3.9 3.8
5-9歳 17,521 16,909 16,598 16,365 16,169 16,289 16,508 16,577 16,494 16,322 16,264 16,165 16,053 15,843 15,700 15,481 15,192 14,897 14,708 14,647 14,446 14,440 14,095 13,931 13,650
構成比（%） 5.2 5.0 4.9 4.8 4.7 4.8 4.8 4.8 4.8 4.7 4.7 4.7 4.7 4.6 4.6 4.6 4.5 4.4 4.4 4.3 4.3 4.3 4.2 4.2 4.1
10-14歳 20,147 20,105 19,799 19,164 18,600 17,762 17,055 16,819 16,522 16,334 16,408 16,498 16,440 16,373 16,161 16,025 15,964 15,912 15,824 15,778 15,579 15,176 14,906 14,647 14,489
構成比（%） 6.0 5.9 5.8 5.6 5.4 5.2 5.0 4.9 4.8 4.7 4.7 4.8 4.8 4.8 4.8 4.7 4.7 4.7 4.7 4.7 4.6 4.5 4.5 4.4 4.4
15-19歳 22,864 21,986 21,020 20,747 20,353 20,150 20,110 19,672 19,060 18,604 17,819 17,034 16,599 16,285 16,180 16,314 16,436 16,426 16,408 16,356 16,057 16,056 15,929 15,860 15,703
構成比（%） 6.8 6.5 6.2 6.1 5.9 5.9 5.8 5.7 5.5 5.4 5.2 5.0 4.8 4.8 4.8 4.8 4.8 4.9 4.9 4.8 4.8 4.8 4.8 4.8 4.8
20-24歳 25,115 25,680 25,368 24,610 23,553 22,585 21,929 21,025 20,567 20,179 19,688 19,276 18,545 17,756 17,109 16,259 15,652 15,269 15,256 15,610 15,670 15,678 15,524 15,310 15,088
構成比（%） 7.5 7.6 7.4 7.2 6.9 6.6 6.4 6.1 5.9 5.8 5.7 5.6 5.4 5.2 5.0 4.8 4.6 4.5 4.5 4.6 4.6 4.7 4.6 4.6 4.6
25-29歳 21,078 22,028 23,862 24,772 25,703 26,268 26,611 26,266 25,359 24,347 23,195 21,944 20,707 19,773 19,025 18,546 18,326 17,636 17,268 17,023 16,273 15,362 14,737 14,602 14,397
構成比（%） 6.3 6.5 7.0 7.3 7.5 7.7 7.7 7.6 7.3 7.0 6.7 6.4 6.0 5.8 5.6 5.5 5.4 5.2 5.1 5.0 4.8 4.6 4.4 4.4 4.4
30-34歳 21,060 21,132 20,691 20,853 21,377 21,771 22,684 24,510 25,445 26,114 26,536 26,674 26,307 25,261 24,092 22,947 21,770 20,679 19,963 19,539 18,901 18,724 18,143 17,570 16,916
構成比（%） 6.3 6.2 6.1 6.1 6.2 6.4 6.6 7.1 7.4 7.5 7.7 7.8 7.7 7.4 7.1 6.8 6.4 6.1 5.9 5.8 5.6 5.6 5.4 5.3 5.1
35-39歳 21,290 21,069 21,261 21,347 21,271 21,389 21,377 20,748 20,936 21,349 21,757 22,347 24,045 24,823 25,719 26,289 26,456 26,123 25,466 24,554 23,368 22,053 21,019 20,116 19,408
構成比（%） 6.3 6.2 6.2 6.3 6.2 6.2 6.2 6.0 6.1 6.2 6.3 6.5 7.0 7.3 7.6 7.7 7.8 7.7 7.5 7.2 6.9 6.6 6.3 6.1 5.9
40-44歳 24,952 23,663 22,740 22,016 21,789 21,504 21,193 21,457 21,514 21,403 21,487 21,448 20,545 20,702 21,010 21,503 22,188 23,991 25,021 25,955 26,418 26,681 26,449 25,649 24,445
構成比（%） 7.4 7.0 6.7 6.4 6.4 6.3 6.2 6.2 6.2 6.2 6.2 6.2 6.0 6.1 6.2 6.3 6.5 7.1 7.4 7.7 7.8 7.9 7.9 7.7 7.4
45-49歳 29,690 31,599 31,127 28,806 26,674 24,826 23,592 22,546 21,843 21,551 21,383 21,014 21,224 21,239 21,133 21,237 21,273 20,380 20,740 21,123 21,551 22,005 24,048 24,711 25,755
構成比（%） 8.8 9.3 9.1 8.4 7.8 7.2 6.8 6.5 6.3 6.2 6.2 6.1 6.2 6.2 6.2 6.3 6.3 6.0 6.1 6.2 6.4 6.5 7.2 7.4 7.8
50-54歳 23,928 23,169 23,710 25,860 27,569 29,050 30,978 30,545 28,409 26,313 24,403 23,162 22,117 21,374 21,127 20,899 20,605 20,804 21,046 21,040 21,177 21,455 20,267 20,688 20,910
構成比（%） 7.1 6.8 7.0 7.6 8.1 8.5 9.0 8.8 8.2 7.6 7.1 6.7 6.5 6.3 6.2 6.2 6.1 6.2 6.2 6.2 6.3 6.4 6.1 6.2 6.3
55-59歳 19,565 19,749 20,696 21,286 22,619 23,333 22,601 23,138 25,303 26,951 28,418 30,051 29,791 27,651 25,577 23,761 22,620 21,648 21,040 20,885 20,663 20,384 20,563 20,726 20,729
構成比（%） 5.8 5.8 6.1 6.2 6.6 6.8 6.6 6.7 7.3 7.8 8.2 8.7 8.7 8.1 7.5 7.0 6.7 6.4 6.2 6.2 6.1 6.1 6.2 6.2 6.3
60-64歳 20,361 20,339 20,244 19,911 19,307 18,986 19,204 20,116 20,677 21,941 22,651 21,972 22,183 24,147 25,833 27,389 29,185 28,940 26,985 25,383 23,469 22,296 21,332 20,612 20,322
構成比（%） 6.1 6.0 5.9 5.8 5.6 5.5 5.6 5.8 6.0 6.3 6.6 6.4 6.5 7.1 7.6 8.1 8.6 8.6 8.0 7.5 7.0 6.6 6.4 6.2 6.2
65-69歳 18,428 18,800 18,950 19,436 19,325 19,347 19,356 19,301 18,989 18,449 18,186 18,259 19,130 19,595 20,780 21,538 21,010 21,283 23,228 24,685 26,130 27,671 28,028 26,294 24,367
構成比（%） 5.5 5.6 5.6 5.7 5.6 5.6 5.6 5.6 5.5 5.3 5.3 5.3 5.6 5.7 6.1 6.3 6.2 6.3 6.9 7.3 7.7 8.2 8.4 7.9 7.4
70-74歳 13,906 14,550 15,298 15,941 16,523 17,034 17,344 17,482 17,965 17,908 17,961 18,049 17,983 17,770 17,231 17,047 17,123 17,979 18,485 19,497 20,335 20,027 19,796 21,496 23,213
構成比（%） 4.1 4.3 4.5 4.7 4.8 5.0 5.0 5.1 5.2 5.2 5.2 5.2 5.2 5.2 5.1 5.0 5.0 5.3 5.5 5.8 6.0 6.0 5.9 6.5 7.0
75-79歳 9,004 9,650 10,135 10,708 11,581 12,152 12,747 13,414 14,076 14,631 15,148 15,292 15,440 16,019 15,973 16,069 16,197 16,158 16,066 15,651 15,553 15,566 16,311 16,787 17,740
構成比（%） 2.7 2.8 3.0 3.1 3.4 3.5 3.7 3.9 4.1 4.2 4.4 4.4 4.5 4.7 4.7 4.7 4.8 4.8 4.8 4.6 4.6 4.6 4.9 5.1 5.4
80歳以上 11,450 11,903 12,410 12,936 13,241 13,912 14,773 15,582 16,417 17,455 18,342 19,167 20,383 21,244 22,433 23,578 24,456 25,324 26,399 27,257 28,044 28,960 29,559 30,207 30,354
構成比（%） 3.4 3.5 3.6 3.8 3.9 4.1 4.3 4.5 4.7 5.0 5.3 5.6 5.9 6.2 6.6 6.9 7.2 7.5 7.8 8.0 8.3 8.6 8.8 9.1 9.2

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