高知県高岡郡四万十町| 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 | 964 | 919 | 937 | 880 | 864 | 801 | 794 | 750 | 734 | 729 | 741 | 706 | 692 | 664 | 608 | 588 | 592 | 548 | 550 | 541 | 528 | 502 | 496 | 501 | 491 |
| 構成比（%） | 4.0 | 3.9 | 4.0 | 3.8 | 3.8 | 3.5 | 3.5 | 3.4 | 3.4 | 3.4 | 3.5 | 3.3 | 3.3 | 3.2 | 3.0 | 3.0 | 3.0 | 2.8 | 2.9 | 2.9 | 2.9 | 2.8 | 2.8 | 2.9 | 2.9 |
| 5-9歳 | 1,219 | 1,136 | 1,082 | 1,013 | 963 | 976 | 932 | 919 | 877 | 876 | 840 | 834 | 824 | 785 | 752 | 727 | 691 | 669 | 654 | 635 | 581 | 588 | 553 | 548 | 541 |
| 構成比（%） | 5.1 | 4.8 | 4.6 | 4.4 | 4.2 | 4.3 | 4.2 | 4.2 | 4.0 | 4.0 | 3.9 | 3.9 | 4.0 | 3.8 | 3.7 | 3.7 | 3.5 | 3.5 | 3.4 | 3.4 | 3.2 | 3.2 | 3.1 | 3.1 | 3.1 |
| 10-14歳 | 1,318 | 1,340 | 1,291 | 1,280 | 1,245 | 1,196 | 1,123 | 1,059 | 993 | 958 | 941 | 903 | 890 | 867 | 851 | 822 | 813 | 803 | 740 | 736 | 728 | 680 | 658 | 646 | 609 |
| 構成比（%） | 5.5 | 5.6 | 5.5 | 5.5 | 5.4 | 5.3 | 5.0 | 4.8 | 4.5 | 4.4 | 4.4 | 4.3 | 4.3 | 4.2 | 4.2 | 4.1 | 4.2 | 4.2 | 3.9 | 3.9 | 4.0 | 3.8 | 3.7 | 3.7 | 3.5 |
| 15-19歳 | 1,364 | 1,332 | 1,294 | 1,246 | 1,197 | 1,168 | 1,201 | 1,154 | 1,145 | 1,136 | 1,058 | 977 | 901 | 845 | 813 | 787 | 762 | 753 | 760 | 756 | 720 | 703 | 698 | 647 | 636 |
| 構成比（%） | 5.7 | 5.6 | 5.5 | 5.4 | 5.2 | 5.1 | 5.4 | 5.2 | 5.2 | 5.2 | 4.9 | 4.6 | 4.3 | 4.1 | 4.0 | 4.0 | 3.9 | 3.9 | 4.0 | 4.0 | 3.9 | 3.9 | 3.9 | 3.7 | 3.7 |
| 20-24歳 | 1,013 | 1,070 | 1,076 | 1,006 | 1,024 | 971 | 880 | 843 | 846 | 795 | 830 | 854 | 807 | 757 | 729 | 683 | 651 | 648 | 615 | 582 | 564 | 576 | 559 | 563 | 513 |
| 構成比（%） | 4.2 | 4.5 | 4.6 | 4.3 | 4.5 | 4.3 | 3.9 | 3.8 | 3.9 | 3.7 | 3.9 | 4.0 | 3.9 | 3.7 | 3.6 | 3.4 | 3.3 | 3.4 | 3.2 | 3.1 | 3.1 | 3.2 | 3.1 | 3.2 | 3.0 |
| 25-29歳 | 835 | 843 | 877 | 912 | 942 | 970 | 966 | 966 | 918 | 886 | 849 | 793 | 777 | 765 | 701 | 705 | 714 | 675 | 704 | 685 | 621 | 581 | 576 | 525 | 506 |
| 構成比（%） | 3.5 | 3.5 | 3.7 | 3.9 | 4.1 | 4.3 | 4.3 | 4.4 | 4.2 | 4.1 | 4.0 | 3.8 | 3.7 | 3.7 | 3.5 | 3.6 | 3.7 | 3.5 | 3.7 | 3.6 | 3.4 | 3.2 | 3.2 | 3.0 | 2.9 |
| 30-34歳 | 1,141 | 1,086 | 966 | 916 | 867 | 856 | 845 | 885 | 875 | 920 | 956 | 945 | 956 | 933 | 874 | 832 | 770 | 747 | 725 | 696 | 666 | 701 | 686 | 690 | 690 |
| 構成比（%） | 4.8 | 4.6 | 4.1 | 4.0 | 3.8 | 3.8 | 3.8 | 4.0 | 4.0 | 4.2 | 4.5 | 4.5 | 4.6 | 4.5 | 4.3 | 4.2 | 3.9 | 3.9 | 3.8 | 3.7 | 3.6 | 3.9 | 3.8 | 3.9 | 4.0 |
| 35-39歳 | 1,372 | 1,311 | 1,256 | 1,205 | 1,113 | 1,084 | 1,052 | 940 | 898 | 844 | 828 | 846 | 886 | 880 | 902 | 926 | 919 | 935 | 907 | 914 | 854 | 802 | 793 | 745 | 708 |
| 構成比（%） | 5.7 | 5.5 | 5.3 | 5.2 | 4.9 | 4.8 | 4.7 | 4.3 | 4.1 | 3.9 | 3.9 | 4.0 | 4.2 | 4.3 | 4.5 | 4.7 | 4.7 | 4.9 | 4.8 | 4.9 | 4.6 | 4.4 | 4.4 | 4.3 | 4.1 |
| 40-44歳 | 1,654 | 1,565 | 1,499 | 1,439 | 1,401 | 1,329 | 1,262 | 1,220 | 1,186 | 1,121 | 1,062 | 1,020 | 911 | 866 | 829 | 803 | 825 | 864 | 858 | 857 | 914 | 935 | 931 | 919 | 917 |
| 構成比（%） | 6.9 | 6.6 | 6.4 | 6.2 | 6.1 | 5.9 | 5.6 | 5.5 | 5.4 | 5.2 | 5.0 | 4.8 | 4.4 | 4.2 | 4.1 | 4.1 | 4.2 | 4.5 | 4.5 | 4.5 | 5.0 | 5.2 | 5.2 | 5.2 | 5.3 |
| 45-49歳 | 1,714 | 1,876 | 1,890 | 1,794 | 1,725 | 1,637 | 1,550 | 1,478 | 1,411 | 1,391 | 1,315 | 1,248 | 1,198 | 1,165 | 1,077 | 1,020 | 987 | 893 | 870 | 855 | 818 | 813 | 890 | 882 | 864 |
| 構成比（%） | 7.2 | 7.9 | 8.0 | 7.8 | 7.5 | 7.2 | 6.9 | 6.7 | 6.5 | 6.4 | 6.1 | 5.9 | 5.7 | 5.7 | 5.4 | 5.1 | 5.0 | 4.6 | 4.6 | 4.5 | 4.4 | 4.5 | 5.0 | 5.0 | 5.0 |
| 50-54歳 | 1,464 | 1,388 | 1,389 | 1,513 | 1,619 | 1,702 | 1,858 | 1,858 | 1,782 | 1,695 | 1,605 | 1,534 | 1,476 | 1,395 | 1,359 | 1,299 | 1,238 | 1,185 | 1,151 | 1,094 | 1,037 | 1,009 | 904 | 869 | 864 |
| 構成比（%） | 6.1 | 5.8 | 5.9 | 6.5 | 7.1 | 7.5 | 8.3 | 8.4 | 8.2 | 7.8 | 7.5 | 7.3 | 7.1 | 6.8 | 6.8 | 6.6 | 6.3 | 6.2 | 6.1 | 5.8 | 5.6 | 5.6 | 5.1 | 5.0 | 5.0 |
| 55-59歳 | 1,710 | 1,618 | 1,553 | 1,449 | 1,449 | 1,455 | 1,370 | 1,365 | 1,499 | 1,603 | 1,679 | 1,813 | 1,833 | 1,772 | 1,699 | 1,602 | 1,517 | 1,471 | 1,387 | 1,355 | 1,295 | 1,241 | 1,214 | 1,162 | 1,107 |
| 構成比（%） | 7.1 | 6.8 | 6.6 | 6.3 | 6.3 | 6.4 | 6.1 | 6.2 | 6.9 | 7.4 | 7.8 | 8.6 | 8.8 | 8.6 | 8.4 | 8.1 | 7.8 | 7.6 | 7.3 | 7.2 | 7.0 | 6.8 | 6.8 | 6.6 | 6.4 |
| 60-64歳 | 2,055 | 1,996 | 1,948 | 1,902 | 1,759 | 1,662 | 1,585 | 1,545 | 1,451 | 1,446 | 1,457 | 1,362 | 1,345 | 1,477 | 1,594 | 1,679 | 1,803 | 1,834 | 1,751 | 1,705 | 1,621 | 1,532 | 1,449 | 1,400 | 1,338 |
| 構成比（%） | 8.6 | 8.4 | 8.3 | 8.2 | 7.7 | 7.3 | 7.1 | 7.0 | 6.6 | 6.7 | 6.8 | 6.4 | 6.4 | 7.2 | 7.9 | 8.5 | 9.2 | 9.5 | 9.2 | 9.1 | 8.8 | 8.5 | 8.1 | 8.0 | 7.8 |
| 65-69歳 | 1,936 | 1,952 | 1,977 | 2,015 | 1,994 | 1,976 | 1,944 | 1,879 | 1,830 | 1,699 | 1,620 | 1,552 | 1,524 | 1,426 | 1,414 | 1,419 | 1,330 | 1,298 | 1,445 | 1,491 | 1,605 | 1,749 | 1,790 | 1,708 | 1,657 |
| 構成比（%） | 8.1 | 8.2 | 8.4 | 8.7 | 8.7 | 8.7 | 8.7 | 8.5 | 8.4 | 7.8 | 7.6 | 7.3 | 7.3 | 6.9 | 7.0 | 7.2 | 6.8 | 6.7 | 7.6 | 7.9 | 8.7 | 9.6 | 10.0 | 9.7 | 9.6 |
| 70-74歳 | 1,637 | 1,667 | 1,691 | 1,730 | 1,777 | 1,802 | 1,802 | 1,832 | 1,881 | 1,873 | 1,848 | 1,796 | 1,751 | 1,730 | 1,614 | 1,545 | 1,494 | 1,464 | 1,357 | 1,385 | 1,351 | 1,302 | 1,241 | 1,359 | 1,430 |
| 構成比（%） | 6.8 | 7.0 | 7.2 | 7.5 | 7.8 | 7.9 | 8.0 | 8.3 | 8.6 | 8.6 | 8.6 | 8.5 | 8.4 | 8.4 | 8.0 | 7.8 | 7.6 | 7.6 | 7.1 | 7.4 | 7.3 | 7.2 | 7.0 | 7.8 | 8.3 |
| 75-79歳 | 1,078 | 1,176 | 1,234 | 1,276 | 1,348 | 1,434 | 1,469 | 1,498 | 1,527 | 1,596 | 1,615 | 1,629 | 1,675 | 1,711 | 1,686 | 1,678 | 1,636 | 1,600 | 1,584 | 1,505 | 1,444 | 1,373 | 1,370 | 1,269 | 1,272 |
| 構成比（%） | 4.5 | 4.9 | 5.3 | 5.5 | 5.9 | 6.3 | 6.6 | 6.8 | 7.0 | 7.4 | 7.5 | 7.7 | 8.0 | 8.3 | 8.4 | 8.5 | 8.4 | 8.3 | 8.3 | 8.0 | 7.8 | 7.6 | 7.7 | 7.2 | 7.4 |
| 80歳以上 | 1,478 | 1,503 | 1,522 | 1,563 | 1,618 | 1,664 | 1,784 | 1,887 | 1,983 | 2,092 | 2,185 | 2,327 | 2,407 | 2,494 | 2,615 | 2,699 | 2,809 | 2,869 | 2,963 | 2,975 | 2,994 | 3,041 | 3,020 | 3,095 | 3,062 |
| 構成比（%） | 6.2 | 6.3 | 6.5 | 6.8 | 7.1 | 7.3 | 8.0 | 8.5 | 9.1 | 9.7 | 10.2 | 11.0 | 11.5 | 12.1 | 13.0 | 13.6 | 14.4 | 14.9 | 15.6 | 15.8 | 16.3 | 16.8 | 16.9 | 17.7 | 17.8 |
人口増加都市
