茨城県久慈郡大子町| 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 | 980 | 935 | 873 | 825 | 812 | 766 | 743 | 737 | 718 | 687 | 647 | 606 | 551 | 528 | 504 | 497 | 505 | 498 | 472 | 446 | 416 | 406 | 363 | 360 | 341 |
| 構成比（%） | 3.7 | 3.6 | 3.4 | 3.3 | 3.3 | 3.1 | 3.1 | 3.1 | 3.0 | 2.9 | 2.8 | 2.7 | 2.5 | 2.4 | 2.4 | 2.4 | 2.5 | 2.5 | 2.4 | 2.3 | 2.2 | 2.2 | 2.0 | 2.0 | 2.0 |
| 5-9歳 | 1,427 | 1,314 | 1,228 | 1,129 | 1,072 | 1,012 | 974 | 920 | 862 | 843 | 803 | 771 | 737 | 716 | 664 | 633 | 610 | 570 | 573 | 558 | 536 | 516 | 507 | 482 | 454 |
| 構成比（%） | 5.4 | 5.1 | 4.8 | 4.5 | 4.3 | 4.1 | 4.0 | 3.8 | 3.6 | 3.6 | 3.5 | 3.4 | 3.3 | 3.3 | 3.1 | 3.0 | 3.0 | 2.8 | 2.9 | 2.9 | 2.8 | 2.8 | 2.8 | 2.7 | 2.6 |
| 10-14歳 | 1,625 | 1,624 | 1,597 | 1,567 | 1,483 | 1,427 | 1,331 | 1,237 | 1,148 | 1,094 | 1,026 | 976 | 930 | 853 | 829 | 783 | 758 | 735 | 707 | 654 | 640 | 611 | 557 | 568 | 546 |
| 構成比（%） | 6.2 | 6.3 | 6.3 | 6.2 | 6.0 | 5.8 | 5.5 | 5.1 | 4.8 | 4.7 | 4.5 | 4.3 | 4.2 | 3.9 | 3.9 | 3.8 | 3.7 | 3.6 | 3.6 | 3.4 | 3.4 | 3.3 | 3.1 | 3.2 | 3.2 |
| 15-19歳 | 1,641 | 1,594 | 1,546 | 1,483 | 1,494 | 1,470 | 1,474 | 1,457 | 1,419 | 1,339 | 1,278 | 1,211 | 1,134 | 1,049 | 1,005 | 939 | 906 | 863 | 796 | 797 | 739 | 706 | 695 | 668 | 612 |
| 構成比（%） | 6.3 | 6.2 | 6.1 | 5.9 | 6.0 | 6.0 | 6.1 | 6.1 | 6.0 | 5.7 | 5.6 | 5.4 | 5.1 | 4.8 | 4.7 | 4.5 | 4.4 | 4.3 | 4.0 | 4.1 | 3.9 | 3.8 | 3.8 | 3.8 | 3.5 |
| 20-24歳 | 1,029 | 1,026 | 996 | 1,028 | 1,009 | 1,075 | 1,051 | 1,038 | 1,013 | 1,047 | 1,013 | 987 | 985 | 996 | 951 | 900 | 865 | 818 | 766 | 743 | 696 | 639 | 596 | 567 | 543 |
| 構成比（%） | 3.9 | 4.0 | 3.9 | 4.1 | 4.1 | 4.4 | 4.3 | 4.3 | 4.3 | 4.5 | 4.4 | 4.4 | 4.5 | 4.6 | 4.5 | 4.3 | 4.2 | 4.1 | 3.9 | 3.8 | 3.7 | 3.4 | 3.3 | 3.2 | 3.1 |
| 25-29歳 | 959 | 944 | 947 | 895 | 904 | 911 | 925 | 896 | 918 | 867 | 886 | 834 | 823 | 760 | 759 | 765 | 767 | 767 | 791 | 763 | 703 | 683 | 620 | 541 | 499 |
| 構成比（%） | 3.7 | 3.6 | 3.7 | 3.5 | 3.6 | 3.7 | 3.8 | 3.7 | 3.9 | 3.7 | 3.9 | 3.7 | 3.7 | 3.5 | 3.6 | 3.7 | 3.7 | 3.8 | 4.0 | 3.9 | 3.7 | 3.7 | 3.4 | 3.0 | 2.9 |
| 30-34歳 | 1,204 | 1,129 | 1,073 | 1,050 | 1,029 | 948 | 899 | 883 | 805 | 844 | 829 | 835 | 802 | 818 | 784 | 804 | 768 | 750 | 711 | 686 | 695 | 682 | 668 | 697 | 649 |
| 構成比（%） | 4.6 | 4.4 | 4.2 | 4.2 | 4.1 | 3.8 | 3.7 | 3.7 | 3.4 | 3.6 | 3.6 | 3.7 | 3.6 | 3.8 | 3.7 | 3.9 | 3.7 | 3.7 | 3.6 | 3.5 | 3.6 | 3.7 | 3.7 | 3.9 | 3.8 |
| 35-39歳 | 1,641 | 1,572 | 1,459 | 1,415 | 1,274 | 1,196 | 1,144 | 1,103 | 1,076 | 1,047 | 940 | 898 | 881 | 794 | 810 | 794 | 820 | 799 | 822 | 802 | 805 | 767 | 750 | 686 | 669 |
| 構成比（%） | 6.3 | 6.1 | 5.7 | 5.6 | 5.1 | 4.9 | 4.7 | 4.6 | 4.5 | 4.5 | 4.1 | 4.0 | 4.0 | 3.7 | 3.8 | 3.8 | 4.0 | 4.0 | 4.2 | 4.1 | 4.2 | 4.1 | 4.1 | 3.9 | 3.9 |
| 40-44歳 | 2,011 | 1,937 | 1,849 | 1,762 | 1,670 | 1,634 | 1,579 | 1,476 | 1,435 | 1,294 | 1,218 | 1,140 | 1,086 | 1,048 | 1,015 | 920 | 872 | 848 | 781 | 815 | 804 | 813 | 796 | 805 | 772 |
| 構成比（%） | 7.7 | 7.5 | 7.2 | 7.0 | 6.7 | 6.6 | 6.5 | 6.1 | 6.1 | 5.5 | 5.3 | 5.1 | 4.9 | 4.8 | 4.8 | 4.4 | 4.2 | 4.2 | 4.0 | 4.2 | 4.2 | 4.4 | 4.4 | 4.5 | 4.5 |
| 45-49歳 | 1,678 | 1,895 | 2,048 | 2,007 | 2,007 | 1,975 | 1,912 | 1,830 | 1,738 | 1,661 | 1,625 | 1,557 | 1,465 | 1,415 | 1,262 | 1,198 | 1,114 | 1,054 | 1,030 | 1,011 | 937 | 887 | 876 | 799 | 811 |
| 構成比（%） | 6.4 | 7.3 | 8.0 | 8.0 | 8.1 | 8.0 | 7.8 | 7.6 | 7.3 | 7.1 | 7.1 | 6.9 | 6.6 | 6.5 | 5.9 | 5.7 | 5.4 | 5.2 | 5.2 | 5.2 | 4.9 | 4.8 | 4.8 | 4.5 | 4.7 |
| 50-54歳 | 1,492 | 1,345 | 1,286 | 1,428 | 1,543 | 1,661 | 1,871 | 2,038 | 1,998 | 2,001 | 1,961 | 1,913 | 1,804 | 1,706 | 1,630 | 1,590 | 1,543 | 1,434 | 1,382 | 1,293 | 1,203 | 1,105 | 1,048 | 1,033 | 997 |
| 構成比（%） | 5.7 | 5.2 | 5.0 | 5.7 | 6.2 | 6.7 | 7.7 | 8.5 | 8.4 | 8.6 | 8.5 | 8.5 | 8.2 | 7.9 | 7.7 | 7.6 | 7.5 | 7.1 | 7.0 | 6.6 | 6.3 | 5.9 | 5.8 | 5.8 | 5.8 |
| 55-59歳 | 1,718 | 1,672 | 1,608 | 1,552 | 1,526 | 1,477 | 1,348 | 1,290 | 1,420 | 1,537 | 1,657 | 1,845 | 1,999 | 1,971 | 1,994 | 1,950 | 1,896 | 1,798 | 1,704 | 1,642 | 1,586 | 1,574 | 1,472 | 1,376 | 1,282 |
| 構成比（%） | 6.6 | 6.5 | 6.3 | 6.2 | 6.1 | 6.0 | 5.5 | 5.4 | 6.0 | 6.6 | 7.2 | 8.2 | 9.0 | 9.1 | 9.4 | 9.3 | 9.2 | 8.9 | 8.6 | 8.4 | 8.3 | 8.5 | 8.1 | 7.8 | 7.4 |
| 60-64歳 | 2,179 | 2,049 | 1,950 | 1,834 | 1,731 | 1,680 | 1,635 | 1,585 | 1,546 | 1,522 | 1,464 | 1,310 | 1,262 | 1,384 | 1,488 | 1,626 | 1,819 | 1,964 | 1,944 | 1,962 | 1,917 | 1,842 | 1,778 | 1,686 | 1,603 |
| 構成比（%） | 8.3 | 7.9 | 7.6 | 7.3 | 7.0 | 6.8 | 6.7 | 6.6 | 6.5 | 6.5 | 6.4 | 5.8 | 5.7 | 6.4 | 7.0 | 7.8 | 8.9 | 9.8 | 9.8 | 10.1 | 10.1 | 9.9 | 9.8 | 9.5 | 9.3 |
| 65-69歳 | 2,431 | 2,447 | 2,359 | 2,304 | 2,186 | 2,062 | 1,947 | 1,860 | 1,760 | 1,667 | 1,622 | 1,586 | 1,540 | 1,502 | 1,465 | 1,413 | 1,262 | 1,224 | 1,344 | 1,394 | 1,539 | 1,706 | 1,891 | 1,898 | 1,898 |
| 構成比（%） | 9.3 | 9.5 | 9.2 | 9.1 | 8.8 | 8.4 | 8.0 | 7.7 | 7.4 | 7.1 | 7.1 | 7.0 | 7.0 | 6.9 | 6.9 | 6.8 | 6.1 | 6.1 | 6.8 | 7.2 | 8.1 | 9.2 | 10.4 | 10.7 | 11.0 |
| 70-74歳 | 1,753 | 1,822 | 2,010 | 2,115 | 2,196 | 2,237 | 2,259 | 2,171 | 2,140 | 2,026 | 1,923 | 1,819 | 1,739 | 1,646 | 1,565 | 1,532 | 1,498 | 1,444 | 1,405 | 1,387 | 1,350 | 1,209 | 1,117 | 1,214 | 1,319 |
| 構成比（%） | 6.7 | 7.0 | 7.9 | 8.4 | 8.8 | 9.1 | 9.3 | 9.0 | 9.0 | 8.7 | 8.4 | 8.1 | 7.9 | 7.6 | 7.4 | 7.3 | 7.3 | 7.2 | 7.1 | 7.1 | 7.1 | 6.5 | 6.1 | 6.8 | 7.6 |
| 75-79歳 | 1,164 | 1,242 | 1,260 | 1,315 | 1,428 | 1,529 | 1,599 | 1,776 | 1,857 | 1,929 | 1,975 | 2,002 | 1,933 | 1,893 | 1,788 | 1,686 | 1,605 | 1,550 | 1,474 | 1,426 | 1,393 | 1,361 | 1,317 | 1,269 | 1,249 |
| 構成比（%） | 4.4 | 4.8 | 4.9 | 5.2 | 5.7 | 6.2 | 6.6 | 7.4 | 7.8 | 8.3 | 8.6 | 8.9 | 8.7 | 8.8 | 8.4 | 8.1 | 7.8 | 7.7 | 7.5 | 7.3 | 7.3 | 7.3 | 7.3 | 7.2 | 7.2 |
| 80歳以上 | 1,297 | 1,346 | 1,440 | 1,503 | 1,524 | 1,575 | 1,668 | 1,752 | 1,851 | 1,969 | 2,078 | 2,225 | 2,427 | 2,554 | 2,713 | 2,835 | 2,927 | 3,024 | 3,064 | 3,093 | 3,101 | 3,102 | 3,114 | 3,095 | 3,015 |
| 構成比（%） | 4.9 | 5.2 | 5.6 | 6.0 | 6.1 | 6.4 | 6.8 | 7.3 | 7.8 | 8.4 | 9.1 | 9.9 | 11.0 | 11.8 | 12.8 | 13.6 | 14.3 | 15.0 | 15.5 | 15.9 | 16.3 | 16.7 | 17.1 | 17.4 | 17.5 |
人口増加都市
