高知県安芸市| 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 | 974 | 932 | 908 | 870 | 873 | 834 | 817 | 837 | 811 | 741 | 716 | 697 | 697 | 651 | 666 | 636 | 632 | 603 | 586 | 584 | 560 | 522 | 470 | 458 | 428 |
| 構成比（%） | 4.2 | 4.0 | 4.0 | 3.9 | 3.9 | 3.8 | 3.7 | 3.8 | 3.7 | 3.4 | 3.4 | 3.3 | 3.4 | 3.2 | 3.3 | 3.2 | 3.2 | 3.1 | 3.1 | 3.1 | 3.0 | 2.9 | 2.6 | 2.6 | 2.5 |
| 5-9歳 | 1,103 | 1,048 | 996 | 978 | 951 | 960 | 944 | 936 | 900 | 879 | 839 | 837 | 802 | 782 | 714 | 707 | 672 | 687 | 679 | 679 | 645 | 619 | 597 | 574 | 561 |
| 構成比（%） | 4.7 | 4.5 | 4.4 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.1 | 4.1 | 3.9 | 4.0 | 3.9 | 3.8 | 3.5 | 3.6 | 3.4 | 3.5 | 3.5 | 3.6 | 3.5 | 3.4 | 3.3 | 3.2 | 3.2 |
| 10-14歳 | 1,337 | 1,335 | 1,255 | 1,197 | 1,135 | 1,068 | 999 | 965 | 979 | 944 | 948 | 929 | 912 | 860 | 849 | 806 | 798 | 776 | 772 | 723 | 697 | 681 | 680 | 680 | 652 |
| 構成比（%） | 5.7 | 5.8 | 5.5 | 5.3 | 5.1 | 4.8 | 4.5 | 4.4 | 4.5 | 4.4 | 4.5 | 4.4 | 4.4 | 4.2 | 4.2 | 4.1 | 4.1 | 4.0 | 4.0 | 3.8 | 3.7 | 3.7 | 3.8 | 3.8 | 3.7 |
| 15-19歳 | 1,411 | 1,326 | 1,250 | 1,210 | 1,210 | 1,161 | 1,183 | 1,126 | 1,093 | 1,075 | 1,000 | 951 | 910 | 889 | 852 | 852 | 825 | 833 | 796 | 809 | 760 | 734 | 705 | 695 | 665 |
| 構成比（%） | 6.1 | 5.7 | 5.5 | 5.4 | 5.4 | 5.2 | 5.4 | 5.1 | 5.0 | 5.0 | 4.7 | 4.5 | 4.4 | 4.4 | 4.2 | 4.3 | 4.2 | 4.3 | 4.2 | 4.3 | 4.1 | 4.0 | 3.9 | 3.9 | 3.8 |
| 20-24歳 | 1,205 | 1,190 | 1,161 | 1,130 | 1,091 | 1,087 | 1,029 | 966 | 965 | 994 | 982 | 1,011 | 929 | 850 | 813 | 779 | 727 | 686 | 682 | 694 | 701 | 664 | 667 | 666 | 633 |
| 構成比（%） | 5.2 | 5.2 | 5.1 | 5.0 | 4.9 | 4.9 | 4.7 | 4.4 | 4.4 | 4.6 | 4.6 | 4.8 | 4.5 | 4.2 | 4.0 | 3.9 | 3.7 | 3.5 | 3.6 | 3.6 | 3.8 | 3.6 | 3.7 | 3.8 | 3.6 |
| 25-29歳 | 1,119 | 1,134 | 1,157 | 1,175 | 1,226 | 1,229 | 1,236 | 1,212 | 1,143 | 1,078 | 1,032 | 962 | 924 | 900 | 890 | 862 | 924 | 836 | 770 | 729 | 684 | 624 | 582 | 562 | 576 |
| 構成比（%） | 4.8 | 4.9 | 5.1 | 5.2 | 5.5 | 5.5 | 5.6 | 5.5 | 5.3 | 5.0 | 4.9 | 4.6 | 4.4 | 4.4 | 4.4 | 4.3 | 4.7 | 4.3 | 4.0 | 3.8 | 3.7 | 3.4 | 3.2 | 3.2 | 3.3 |
| 30-34歳 | 1,233 | 1,179 | 1,124 | 1,110 | 1,084 | 1,094 | 1,133 | 1,226 | 1,208 | 1,223 | 1,214 | 1,219 | 1,150 | 1,089 | 1,042 | 1,011 | 927 | 906 | 900 | 891 | 831 | 811 | 762 | 710 | 655 |
| 構成比（%） | 5.3 | 5.1 | 5.0 | 4.9 | 4.8 | 4.9 | 5.1 | 5.6 | 5.6 | 5.7 | 5.7 | 5.8 | 5.5 | 5.3 | 5.2 | 5.1 | 4.7 | 4.7 | 4.7 | 4.7 | 4.5 | 4.4 | 4.2 | 4.0 | 3.8 |
| 35-39歳 | 1,296 | 1,258 | 1,242 | 1,242 | 1,189 | 1,172 | 1,115 | 1,072 | 1,076 | 1,036 | 1,027 | 1,081 | 1,161 | 1,157 | 1,197 | 1,161 | 1,152 | 1,079 | 1,044 | 1,026 | 979 | 906 | 874 | 888 | 857 |
| 構成比（%） | 5.6 | 5.5 | 5.5 | 5.5 | 5.3 | 5.3 | 5.1 | 4.9 | 4.9 | 4.8 | 4.8 | 5.1 | 5.6 | 5.7 | 5.9 | 5.8 | 5.9 | 5.6 | 5.5 | 5.4 | 5.2 | 5.0 | 4.9 | 5.0 | 4.9 |
| 40-44歳 | 1,655 | 1,558 | 1,423 | 1,340 | 1,315 | 1,276 | 1,223 | 1,206 | 1,215 | 1,157 | 1,159 | 1,101 | 1,040 | 1,030 | 983 | 998 | 1,037 | 1,136 | 1,124 | 1,179 | 1,139 | 1,124 | 1,065 | 1,017 | 997 |
| 構成比（%） | 7.1 | 6.8 | 6.3 | 6.0 | 5.9 | 5.8 | 5.6 | 5.5 | 5.6 | 5.4 | 5.5 | 5.2 | 5.0 | 5.1 | 4.9 | 5.0 | 5.3 | 5.9 | 5.9 | 6.2 | 6.1 | 6.2 | 5.9 | 5.7 | 5.7 |
| 45-49歳 | 1,940 | 2,091 | 2,049 | 1,948 | 1,798 | 1,638 | 1,538 | 1,420 | 1,335 | 1,303 | 1,251 | 1,216 | 1,186 | 1,178 | 1,132 | 1,136 | 1,083 | 1,015 | 1,014 | 996 | 990 | 999 | 1,108 | 1,109 | 1,158 |
| 構成比（%） | 8.3 | 9.1 | 9.0 | 8.7 | 8.0 | 7.4 | 7.0 | 6.5 | 6.1 | 6.1 | 5.9 | 5.8 | 5.7 | 5.8 | 5.6 | 5.7 | 5.5 | 5.2 | 5.3 | 5.2 | 5.3 | 5.5 | 6.2 | 6.3 | 6.6 |
| 50-54歳 | 1,614 | 1,567 | 1,594 | 1,723 | 1,794 | 1,909 | 2,050 | 2,029 | 1,921 | 1,771 | 1,619 | 1,512 | 1,404 | 1,304 | 1,269 | 1,234 | 1,186 | 1,152 | 1,166 | 1,147 | 1,150 | 1,126 | 1,028 | 1,035 | 1,004 |
| 構成比（%） | 6.9 | 6.8 | 7.0 | 7.7 | 8.0 | 8.6 | 9.3 | 9.3 | 8.8 | 8.2 | 7.6 | 7.2 | 6.8 | 6.4 | 6.3 | 6.2 | 6.0 | 5.9 | 6.1 | 6.0 | 6.2 | 6.2 | 5.7 | 5.8 | 5.8 |
| 55-59歳 | 1,626 | 1,552 | 1,602 | 1,559 | 1,618 | 1,592 | 1,536 | 1,564 | 1,713 | 1,779 | 1,904 | 2,037 | 2,004 | 1,880 | 1,748 | 1,590 | 1,487 | 1,398 | 1,303 | 1,268 | 1,241 | 1,185 | 1,161 | 1,153 | 1,137 |
| 構成比（%） | 7.0 | 6.7 | 7.1 | 6.9 | 7.2 | 7.2 | 7.0 | 7.1 | 7.9 | 8.3 | 9.0 | 9.7 | 9.6 | 9.2 | 8.7 | 8.0 | 7.6 | 7.2 | 6.8 | 6.7 | 6.7 | 6.5 | 6.5 | 6.5 | 6.5 |
| 60-64歳 | 1,672 | 1,688 | 1,632 | 1,616 | 1,578 | 1,583 | 1,519 | 1,566 | 1,515 | 1,573 | 1,553 | 1,492 | 1,529 | 1,667 | 1,715 | 1,854 | 1,957 | 1,933 | 1,823 | 1,745 | 1,567 | 1,477 | 1,375 | 1,278 | 1,223 |
| 構成比（%） | 7.2 | 7.3 | 7.2 | 7.2 | 7.1 | 7.1 | 6.9 | 7.2 | 7.0 | 7.3 | 7.3 | 7.1 | 7.4 | 8.2 | 8.5 | 9.3 | 10.0 | 10.0 | 9.5 | 9.2 | 8.4 | 8.1 | 7.7 | 7.2 | 7.0 |
| 65-69歳 | 1,644 | 1,663 | 1,642 | 1,663 | 1,590 | 1,572 | 1,583 | 1,546 | 1,556 | 1,529 | 1,521 | 1,468 | 1,490 | 1,443 | 1,496 | 1,469 | 1,432 | 1,458 | 1,581 | 1,611 | 1,733 | 1,866 | 1,871 | 1,790 | 1,667 |
| 構成比（%） | 7.1 | 7.2 | 7.2 | 7.4 | 7.1 | 7.1 | 7.2 | 7.1 | 7.2 | 7.1 | 7.2 | 7.0 | 7.2 | 7.1 | 7.4 | 7.4 | 7.3 | 7.5 | 8.3 | 8.5 | 9.3 | 10.2 | 10.4 | 10.1 | 9.6 |
| 70-74歳 | 1,297 | 1,337 | 1,400 | 1,399 | 1,468 | 1,483 | 1,492 | 1,485 | 1,511 | 1,448 | 1,449 | 1,466 | 1,432 | 1,453 | 1,423 | 1,406 | 1,341 | 1,378 | 1,339 | 1,417 | 1,417 | 1,340 | 1,373 | 1,445 | 1,536 |
| 構成比（%） | 5.6 | 5.8 | 6.2 | 6.2 | 6.6 | 6.7 | 6.8 | 6.8 | 7.0 | 6.7 | 6.8 | 6.9 | 6.9 | 7.1 | 7.1 | 7.1 | 6.8 | 7.1 | 7.0 | 7.4 | 7.6 | 7.3 | 7.7 | 8.1 | 8.8 |
| 75-79歳 | 989 | 997 | 996 | 1,035 | 1,095 | 1,136 | 1,156 | 1,214 | 1,223 | 1,299 | 1,326 | 1,320 | 1,305 | 1,312 | 1,286 | 1,276 | 1,302 | 1,292 | 1,292 | 1,270 | 1,258 | 1,225 | 1,238 | 1,252 | 1,274 |
| 構成比（%） | 4.3 | 4.3 | 4.4 | 4.6 | 4.9 | 5.1 | 5.2 | 5.5 | 5.6 | 6.0 | 6.2 | 6.3 | 6.3 | 6.4 | 6.4 | 6.4 | 6.6 | 6.7 | 6.8 | 6.7 | 6.7 | 6.7 | 6.9 | 7.1 | 7.3 |
| 80歳以上 | 1,150 | 1,224 | 1,276 | 1,323 | 1,336 | 1,385 | 1,468 | 1,516 | 1,575 | 1,652 | 1,708 | 1,808 | 1,892 | 1,947 | 2,060 | 2,122 | 2,160 | 2,209 | 2,235 | 2,226 | 2,263 | 2,315 | 2,351 | 2,384 | 2,403 |
| 構成比（%） | 4.9 | 5.3 | 5.6 | 5.9 | 6.0 | 6.2 | 6.7 | 6.9 | 7.2 | 7.7 | 8.0 | 8.6 | 9.1 | 9.5 | 10.2 | 10.7 | 11.0 | 11.4 | 11.7 | 11.7 | 12.1 | 12.7 | 13.1 | 13.4 | 13.8 |
人口増加都市
