茨城県北茨城市| 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 | 2,521 | 2,522 | 2,498 | 2,461 | 2,440 | 2,342 | 2,268 | 2,220 | 2,136 | 2,034 | 1,959 | 1,871 | 1,812 | 1,786 | 1,740 | 1,721 | 1,689 | 1,621 | 1,559 | 1,473 | 1,470 | 1,406 | 1,392 | 1,354 | 1,352 |
| 構成比（%） | 4.8 | 4.7 | 4.7 | 4.6 | 4.6 | 4.4 | 4.3 | 4.2 | 4.1 | 3.9 | 3.8 | 3.7 | 3.6 | 3.6 | 3.5 | 3.5 | 3.5 | 3.4 | 3.3 | 3.2 | 3.2 | 3.1 | 3.1 | 3.1 | 3.1 |
| 5-9歳 | 3,183 | 3,047 | 2,973 | 2,882 | 2,786 | 2,729 | 2,689 | 2,620 | 2,532 | 2,475 | 2,395 | 2,305 | 2,233 | 2,153 | 2,040 | 1,995 | 1,926 | 1,844 | 1,794 | 1,790 | 1,704 | 1,715 | 1,635 | 1,599 | 1,519 |
| 構成比（%） | 6.0 | 5.7 | 5.6 | 5.4 | 5.2 | 5.2 | 5.1 | 5.0 | 4.9 | 4.8 | 4.7 | 4.5 | 4.4 | 4.3 | 4.2 | 4.1 | 4.0 | 3.9 | 3.8 | 3.9 | 3.7 | 3.8 | 3.6 | 3.6 | 3.5 |
| 10-14歳 | 3,719 | 3,679 | 3,618 | 3,530 | 3,438 | 3,288 | 3,134 | 3,051 | 2,906 | 2,787 | 2,707 | 2,681 | 2,571 | 2,481 | 2,435 | 2,374 | 2,277 | 2,210 | 2,124 | 2,035 | 2,002 | 1,927 | 1,844 | 1,791 | 1,778 |
| 構成比（%） | 7.0 | 6.9 | 6.8 | 6.6 | 6.5 | 6.2 | 5.9 | 5.8 | 5.6 | 5.4 | 5.3 | 5.3 | 5.1 | 5.0 | 5.0 | 4.9 | 4.7 | 4.7 | 4.5 | 4.4 | 4.4 | 4.2 | 4.1 | 4.1 | 4.1 |
| 15-19歳 | 3,652 | 3,666 | 3,605 | 3,588 | 3,531 | 3,585 | 3,577 | 3,540 | 3,413 | 3,270 | 3,147 | 3,033 | 2,913 | 2,749 | 2,654 | 2,578 | 2,538 | 2,444 | 2,391 | 2,361 | 2,308 | 2,233 | 2,155 | 2,050 | 1,986 |
| 構成比（%） | 6.9 | 6.9 | 6.8 | 6.7 | 6.6 | 6.8 | 6.8 | 6.7 | 6.5 | 6.3 | 6.1 | 6.0 | 5.8 | 5.5 | 5.4 | 5.3 | 5.3 | 5.2 | 5.1 | 5.1 | 5.0 | 4.9 | 4.8 | 4.6 | 4.5 |
| 20-24歳 | 3,265 | 3,279 | 3,296 | 3,264 | 3,174 | 3,025 | 3,011 | 2,945 | 2,989 | 2,960 | 2,984 | 2,908 | 2,919 | 2,748 | 2,607 | 2,549 | 2,428 | 2,329 | 2,248 | 2,194 | 2,086 | 2,104 | 2,056 | 1,964 | 1,915 |
| 構成比（%） | 6.2 | 6.2 | 6.2 | 6.1 | 6.0 | 5.7 | 5.7 | 5.6 | 5.7 | 5.7 | 5.8 | 5.7 | 5.8 | 5.5 | 5.3 | 5.2 | 5.0 | 4.9 | 4.8 | 4.7 | 4.5 | 4.6 | 4.6 | 4.4 | 4.4 |
| 25-29歳 | 2,813 | 2,826 | 2,931 | 2,976 | 3,015 | 3,087 | 3,028 | 2,999 | 2,842 | 2,756 | 2,580 | 2,555 | 2,528 | 2,578 | 2,573 | 2,573 | 2,514 | 2,484 | 2,342 | 2,260 | 2,180 | 2,083 | 2,038 | 1,943 | 1,811 |
| 構成比（%） | 5.3 | 5.3 | 5.5 | 5.6 | 5.7 | 5.8 | 5.7 | 5.7 | 5.5 | 5.3 | 5.0 | 5.0 | 5.0 | 5.2 | 5.2 | 5.3 | 5.2 | 5.2 | 5.0 | 4.9 | 4.7 | 4.6 | 4.5 | 4.4 | 4.1 |
| 30-34歳 | 3,173 | 3,086 | 2,964 | 2,843 | 2,812 | 2,735 | 2,775 | 2,846 | 2,864 | 2,886 | 2,881 | 2,794 | 2,719 | 2,665 | 2,564 | 2,478 | 2,462 | 2,381 | 2,351 | 2,370 | 2,354 | 2,332 | 2,246 | 2,166 | 2,138 |
| 構成比（%） | 6.0 | 5.8 | 5.6 | 5.3 | 5.3 | 5.2 | 5.3 | 5.4 | 5.5 | 5.6 | 5.6 | 5.5 | 5.4 | 5.4 | 5.2 | 5.1 | 5.1 | 5.0 | 5.0 | 5.1 | 5.1 | 5.1 | 5.0 | 4.9 | 4.9 |
| 35-39歳 | 3,577 | 3,524 | 3,504 | 3,484 | 3,400 | 3,302 | 3,186 | 2,997 | 2,827 | 2,755 | 2,723 | 2,692 | 2,780 | 2,778 | 2,805 | 2,847 | 2,746 | 2,654 | 2,590 | 2,498 | 2,406 | 2,375 | 2,320 | 2,308 | 2,312 |
| 構成比（%） | 6.7 | 6.6 | 6.6 | 6.5 | 6.4 | 6.2 | 6.0 | 5.7 | 5.4 | 5.3 | 5.3 | 5.3 | 5.5 | 5.6 | 5.7 | 5.8 | 5.7 | 5.6 | 5.5 | 5.4 | 5.2 | 5.2 | 5.2 | 5.2 | 5.3 |
| 40-44歳 | 4,375 | 4,193 | 4,042 | 3,884 | 3,793 | 3,686 | 3,607 | 3,539 | 3,520 | 3,418 | 3,299 | 3,138 | 2,924 | 2,803 | 2,745 | 2,716 | 2,705 | 2,753 | 2,780 | 2,789 | 2,795 | 2,721 | 2,644 | 2,578 | 2,484 |
| 構成比（%） | 8.3 | 7.9 | 7.6 | 7.3 | 7.1 | 7.0 | 6.8 | 6.7 | 6.8 | 6.6 | 6.4 | 6.2 | 5.8 | 5.6 | 5.6 | 5.6 | 5.6 | 5.8 | 5.9 | 6.0 | 6.1 | 6.0 | 5.9 | 5.8 | 5.7 |
| 45-49歳 | 3,970 | 4,413 | 4,674 | 4,624 | 4,563 | 4,378 | 4,202 | 4,039 | 3,851 | 3,743 | 3,649 | 3,586 | 3,523 | 3,471 | 3,351 | 3,248 | 3,072 | 2,875 | 2,809 | 2,772 | 2,693 | 2,667 | 2,765 | 2,742 | 2,733 |
| 構成比（%） | 7.5 | 8.3 | 8.8 | 8.7 | 8.6 | 8.3 | 8.0 | 7.7 | 7.4 | 7.2 | 7.1 | 7.1 | 7.0 | 7.0 | 6.8 | 6.7 | 6.4 | 6.1 | 6.0 | 6.0 | 5.9 | 5.9 | 6.2 | 6.2 | 6.3 |
| 50-54歳 | 3,408 | 3,255 | 3,219 | 3,507 | 3,617 | 3,986 | 4,394 | 4,659 | 4,573 | 4,535 | 4,366 | 4,192 | 3,994 | 3,808 | 3,694 | 3,582 | 3,521 | 3,444 | 3,395 | 3,324 | 3,242 | 3,093 | 2,844 | 2,786 | 2,725 |
| 構成比（%） | 6.4 | 6.1 | 6.0 | 6.6 | 6.8 | 7.5 | 8.3 | 8.9 | 8.8 | 8.8 | 8.5 | 8.3 | 7.9 | 7.7 | 7.5 | 7.3 | 7.3 | 7.3 | 7.2 | 7.1 | 7.1 | 6.8 | 6.3 | 6.3 | 6.2 |
| 55-59歳 | 3,112 | 3,135 | 3,174 | 3,170 | 3,396 | 3,406 | 3,210 | 3,169 | 3,457 | 3,556 | 3,891 | 4,298 | 4,547 | 4,489 | 4,414 | 4,261 | 4,087 | 3,910 | 3,734 | 3,647 | 3,486 | 3,466 | 3,423 | 3,331 | 3,248 |
| 構成比（%） | 5.9 | 5.9 | 5.9 | 5.9 | 6.4 | 6.4 | 6.1 | 6.0 | 6.6 | 6.9 | 7.6 | 8.5 | 9.0 | 9.0 | 9.0 | 8.7 | 8.5 | 8.2 | 8.0 | 7.8 | 7.6 | 7.6 | 7.6 | 7.5 | 7.4 |
| 60-64歳 | 3,338 | 3,287 | 3,277 | 3,270 | 3,118 | 3,033 | 3,073 | 3,096 | 3,097 | 3,299 | 3,309 | 3,151 | 3,088 | 3,334 | 3,458 | 3,780 | 4,168 | 4,392 | 4,341 | 4,308 | 4,222 | 4,006 | 3,847 | 3,638 | 3,551 |
| 構成比（%） | 6.3 | 6.2 | 6.1 | 6.1 | 5.9 | 5.7 | 5.8 | 5.9 | 5.9 | 6.4 | 6.5 | 6.2 | 6.1 | 6.7 | 7.0 | 7.7 | 8.6 | 9.3 | 9.3 | 9.3 | 9.2 | 8.8 | 8.6 | 8.2 | 8.1 |
| 65-69歳 | 3,122 | 3,211 | 3,262 | 3,196 | 3,222 | 3,162 | 3,097 | 3,108 | 3,114 | 2,952 | 2,861 | 2,906 | 2,943 | 2,939 | 3,119 | 3,154 | 2,948 | 2,887 | 3,153 | 3,277 | 3,495 | 3,912 | 4,188 | 4,219 | 4,147 |
| 構成比（%） | 5.9 | 6.0 | 6.1 | 6.0 | 6.1 | 6.0 | 5.9 | 5.9 | 6.0 | 5.7 | 5.6 | 5.7 | 5.8 | 5.9 | 6.3 | 6.5 | 6.1 | 6.1 | 6.7 | 7.0 | 7.6 | 8.6 | 9.3 | 9.5 | 9.5 |
| 70-74歳 | 2,466 | 2,609 | 2,660 | 2,792 | 2,819 | 2,866 | 2,943 | 2,959 | 2,918 | 2,978 | 2,933 | 2,864 | 2,875 | 2,872 | 2,711 | 2,641 | 2,686 | 2,708 | 2,720 | 2,843 | 2,965 | 2,786 | 2,664 | 2,856 | 3,040 |
| 構成比（%） | 4.7 | 4.9 | 5.0 | 5.2 | 5.3 | 5.4 | 5.6 | 5.6 | 5.6 | 5.8 | 5.7 | 5.6 | 5.7 | 5.8 | 5.5 | 5.4 | 5.6 | 5.7 | 5.8 | 6.1 | 6.5 | 6.1 | 5.9 | 6.5 | 7.0 |
| 75-79歳 | 1,683 | 1,731 | 1,785 | 1,895 | 2,023 | 2,121 | 2,264 | 2,306 | 2,425 | 2,456 | 2,529 | 2,589 | 2,603 | 2,538 | 2,595 | 2,534 | 2,511 | 2,517 | 2,516 | 2,424 | 2,350 | 2,403 | 2,424 | 2,433 | 2,546 |
| 構成比（%） | 3.2 | 3.3 | 3.3 | 3.6 | 3.8 | 4.0 | 4.3 | 4.4 | 4.7 | 4.7 | 4.9 | 5.1 | 5.2 | 5.1 | 5.3 | 5.2 | 5.2 | 5.3 | 5.4 | 5.2 | 5.1 | 5.3 | 5.4 | 5.5 | 5.8 |
| 80歳以上 | 1,643 | 1,744 | 1,914 | 2,012 | 2,092 | 2,242 | 2,333 | 2,501 | 2,668 | 2,851 | 3,024 | 3,190 | 3,341 | 3,520 | 3,635 | 3,809 | 3,943 | 4,003 | 4,080 | 4,128 | 4,184 | 4,264 | 4,373 | 4,448 | 4,419 |
| 構成比（%） | 3.1 | 3.3 | 3.6 | 3.8 | 3.9 | 4.2 | 4.4 | 4.8 | 5.1 | 5.5 | 5.9 | 6.3 | 6.6 | 7.1 | 7.4 | 7.8 | 8.2 | 8.4 | 8.7 | 8.9 | 9.1 | 9.4 | 9.7 | 10.1 | 10.1 |
人口増加都市
