東京都国分寺市| 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 | 4,439 | 4,353 | 4,323 | 4,215 | 4,148 | 4,111 | 4,446 | 4,565 | 4,698 | 4,726 | 4,731 | 4,727 | 4,599 | 4,678 | 4,660 | 4,603 | 4,545 | 4,523 | 4,701 | 4,736 | 4,753 | 4,863 | 4,965 | 5,015 | 5,170 |
| 構成比（%） | 4.3 | 4.2 | 4.2 | 4.1 | 4.0 | 3.9 | 4.1 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.0 | 4.1 | 4.0 | 4.0 | 3.9 | 3.9 | 4.0 | 4.0 | 4.0 | 4.1 | 4.1 | 4.1 | 4.2 |
| 5-9歳 | 4,486 | 4,489 | 4,320 | 4,167 | 4,080 | 4,163 | 4,251 | 4,450 | 4,488 | 4,556 | 4,695 | 4,764 | 4,777 | 4,832 | 4,866 | 4,782 | 4,696 | 4,635 | 4,659 | 4,722 | 4,744 | 4,800 | 4,824 | 4,935 | 5,010 |
| 構成比（%） | 4.4 | 4.4 | 4.2 | 4.0 | 3.9 | 4.0 | 3.9 | 4.0 | 4.0 | 4.1 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.1 | 4.1 | 4.0 | 3.9 | 4.0 | 4.0 | 4.0 | 4.0 | 4.1 | 4.1 |
| 10-14歳 | 4,821 | 4,672 | 4,724 | 4,720 | 4,670 | 4,559 | 4,588 | 4,530 | 4,464 | 4,452 | 4,615 | 4,695 | 4,840 | 4,854 | 4,890 | 4,925 | 4,936 | 4,947 | 5,071 | 5,083 | 4,994 | 4,924 | 4,927 | 4,893 | 4,980 |
| 構成比（%） | 4.7 | 4.6 | 4.6 | 4.6 | 4.5 | 4.3 | 4.2 | 4.1 | 4.0 | 4.0 | 4.1 | 4.1 | 4.2 | 4.2 | 4.2 | 4.2 | 4.3 | 4.3 | 4.3 | 4.3 | 4.2 | 4.1 | 4.1 | 4.0 | 4.0 |
| 15-19歳 | 6,199 | 6,142 | 5,927 | 5,805 | 5,751 | 5,688 | 5,609 | 5,591 | 5,562 | 5,390 | 5,367 | 5,323 | 5,213 | 5,135 | 5,107 | 5,150 | 5,184 | 5,318 | 5,445 | 5,462 | 5,476 | 5,389 | 5,441 | 5,501 | 5,564 |
| 構成比（%） | 6.1 | 6.0 | 5.8 | 5.6 | 5.5 | 5.4 | 5.2 | 5.1 | 5.0 | 4.8 | 4.7 | 4.7 | 4.6 | 4.5 | 4.4 | 4.4 | 4.5 | 4.6 | 4.6 | 4.6 | 4.6 | 4.5 | 4.5 | 4.5 | 4.5 |
| 20-24歳 | 10,962 | 10,636 | 10,171 | 9,987 | 9,809 | 9,397 | 9,451 | 9,127 | 8,920 | 8,737 | 8,528 | 8,311 | 8,222 | 8,221 | 7,931 | 7,621 | 7,294 | 7,078 | 7,213 | 7,082 | 7,216 | 7,376 | 7,473 | 7,531 | 7,733 |
| 構成比（%） | 10.7 | 10.4 | 9.9 | 9.7 | 9.4 | 8.9 | 8.7 | 8.3 | 8.0 | 7.9 | 7.5 | 7.3 | 7.2 | 7.1 | 6.8 | 6.6 | 6.3 | 6.1 | 6.1 | 6.0 | 6.0 | 6.1 | 6.2 | 6.2 | 6.3 |
| 25-29歳 | 10,566 | 10,359 | 10,578 | 10,397 | 10,426 | 10,380 | 10,619 | 10,451 | 10,132 | 9,701 | 9,518 | 9,340 | 9,192 | 9,084 | 9,170 | 9,026 | 8,640 | 8,280 | 8,511 | 8,385 | 8,249 | 8,121 | 8,032 | 8,006 | 7,947 |
| 構成比（%） | 10.3 | 10.1 | 10.3 | 10.1 | 10.0 | 9.9 | 9.8 | 9.5 | 9.1 | 8.7 | 8.4 | 8.2 | 8.0 | 7.9 | 7.9 | 7.8 | 7.5 | 7.2 | 7.2 | 7.1 | 6.9 | 6.8 | 6.7 | 6.6 | 6.4 |
| 30-34歳 | 8,764 | 9,054 | 9,049 | 9,193 | 9,301 | 9,380 | 9,803 | 10,251 | 10,193 | 10,140 | 10,309 | 10,081 | 9,768 | 9,597 | 9,315 | 8,877 | 8,556 | 8,339 | 8,536 | 8,487 | 8,384 | 8,227 | 8,032 | 8,109 | 8,324 |
| 構成比（%） | 8.6 | 8.8 | 8.8 | 8.9 | 8.9 | 8.9 | 9.1 | 9.3 | 9.2 | 9.1 | 9.1 | 8.9 | 8.5 | 8.3 | 8.0 | 7.6 | 7.4 | 7.2 | 7.2 | 7.2 | 7.0 | 6.9 | 6.7 | 6.7 | 6.7 |
| 35-39歳 | 6,763 | 6,943 | 7,194 | 7,481 | 7,668 | 8,081 | 8,572 | 8,846 | 9,156 | 9,343 | 9,597 | 9,665 | 9,874 | 9,843 | 9,911 | 9,843 | 9,537 | 9,249 | 9,304 | 9,128 | 8,892 | 8,654 | 8,443 | 8,237 | 8,278 |
| 構成比（%） | 6.6 | 6.8 | 7.0 | 7.2 | 7.4 | 7.7 | 7.9 | 8.1 | 8.3 | 8.4 | 8.5 | 8.5 | 8.6 | 8.5 | 8.5 | 8.5 | 8.2 | 8.0 | 7.9 | 7.7 | 7.4 | 7.2 | 7.0 | 6.8 | 6.7 |
| 40-44歳 | 6,553 | 6,348 | 6,257 | 6,193 | 6,396 | 6,582 | 6,909 | 7,344 | 7,765 | 8,083 | 8,475 | 8,796 | 8,939 | 9,252 | 9,472 | 9,534 | 9,505 | 9,692 | 9,805 | 9,827 | 9,873 | 9,776 | 9,684 | 9,622 | 9,507 |
| 構成比（%） | 6.4 | 6.2 | 6.1 | 6.0 | 6.1 | 6.3 | 6.4 | 6.7 | 7.0 | 7.3 | 7.5 | 7.7 | 7.8 | 8.0 | 8.1 | 8.2 | 8.2 | 8.4 | 8.3 | 8.3 | 8.3 | 8.2 | 8.0 | 7.9 | 7.7 |
| 45-49歳 | 7,641 | 8,031 | 8,058 | 7,493 | 7,058 | 6,688 | 6,529 | 6,458 | 6,505 | 6,634 | 6,953 | 7,204 | 7,596 | 7,954 | 8,283 | 8,561 | 8,854 | 8,885 | 9,352 | 9,548 | 9,657 | 9,661 | 10,140 | 9,967 | 10,144 |
| 構成比（%） | 7.5 | 7.8 | 7.8 | 7.3 | 6.8 | 6.4 | 6.0 | 5.9 | 5.9 | 6.0 | 6.2 | 6.3 | 6.6 | 6.9 | 7.1 | 7.4 | 7.7 | 7.7 | 7.9 | 8.0 | 8.1 | 8.1 | 8.4 | 8.2 | 8.2 |
| 50-54歳 | 6,819 | 6,539 | 6,531 | 7,074 | 7,251 | 7,738 | 8,317 | 8,285 | 7,700 | 7,217 | 6,821 | 6,553 | 6,469 | 6,462 | 6,737 | 6,960 | 7,199 | 7,574 | 7,978 | 8,191 | 8,533 | 8,956 | 8,853 | 9,330 | 9,594 |
| 構成比（%） | 6.7 | 6.4 | 6.3 | 6.8 | 7.0 | 7.4 | 7.7 | 7.5 | 6.9 | 6.5 | 6.0 | 5.8 | 5.7 | 5.6 | 5.8 | 6.0 | 6.2 | 6.6 | 6.8 | 6.9 | 7.1 | 7.5 | 7.3 | 7.7 | 7.8 |
| 55-59歳 | 6,292 | 6,249 | 6,292 | 6,239 | 6,603 | 6,646 | 6,414 | 6,410 | 7,012 | 7,216 | 7,673 | 8,130 | 8,107 | 7,479 | 7,075 | 6,684 | 6,446 | 6,251 | 6,359 | 6,583 | 6,754 | 7,026 | 7,388 | 7,766 | 8,038 |
| 構成比（%） | 6.2 | 6.1 | 6.1 | 6.0 | 6.3 | 6.3 | 5.9 | 5.8 | 6.3 | 6.5 | 6.8 | 7.2 | 7.1 | 6.5 | 6.1 | 5.8 | 5.6 | 5.4 | 5.4 | 5.5 | 5.7 | 5.9 | 6.1 | 6.4 | 6.5 |
| 60-64歳 | 5,885 | 6,027 | 6,147 | 6,117 | 6,038 | 5,993 | 6,056 | 6,197 | 6,121 | 6,400 | 6,415 | 6,145 | 6,206 | 6,755 | 6,904 | 7,330 | 7,727 | 7,707 | 7,146 | 6,828 | 6,397 | 6,219 | 6,055 | 6,050 | 6,373 |
| 構成比（%） | 5.8 | 5.9 | 6.0 | 5.9 | 5.8 | 5.7 | 5.6 | 5.6 | 5.5 | 5.8 | 5.7 | 5.4 | 5.4 | 5.9 | 5.9 | 6.3 | 6.7 | 6.7 | 6.0 | 5.8 | 5.4 | 5.2 | 5.0 | 5.0 | 5.2 |
| 65-69歳 | 4,704 | 4,916 | 5,079 | 5,391 | 5,500 | 5,625 | 5,819 | 5,995 | 6,019 | 5,913 | 5,867 | 5,821 | 5,873 | 5,779 | 6,111 | 6,118 | 5,877 | 5,856 | 6,425 | 6,550 | 6,880 | 7,212 | 7,396 | 6,903 | 6,526 |
| 構成比（%） | 4.6 | 4.8 | 4.9 | 5.2 | 5.3 | 5.4 | 5.4 | 5.5 | 5.4 | 5.3 | 5.2 | 5.1 | 5.1 | 5.0 | 5.3 | 5.3 | 5.1 | 5.1 | 5.4 | 5.5 | 5.8 | 6.0 | 6.1 | 5.7 | 5.3 |
| 70-74歳 | 2,995 | 3,290 | 3,571 | 3,803 | 4,063 | 4,364 | 4,606 | 4,801 | 5,096 | 5,235 | 5,366 | 5,507 | 5,665 | 5,706 | 5,556 | 5,465 | 5,406 | 5,447 | 5,434 | 5,681 | 5,833 | 5,635 | 5,499 | 5,952 | 6,179 |
| 構成比（%） | 2.9 | 3.2 | 3.5 | 3.7 | 3.9 | 4.2 | 4.3 | 4.4 | 4.6 | 4.7 | 4.7 | 4.8 | 4.9 | 5.0 | 4.8 | 4.7 | 4.7 | 4.7 | 4.6 | 4.8 | 4.9 | 4.7 | 4.6 | 4.9 | 5.0 |
| 75-79歳 | 2,011 | 2,093 | 2,194 | 2,314 | 2,568 | 2,693 | 2,945 | 3,216 | 3,427 | 3,625 | 3,932 | 4,109 | 4,308 | 4,538 | 4,758 | 4,833 | 4,977 | 5,112 | 5,170 | 5,079 | 4,992 | 4,956 | 4,997 | 4,988 | 5,317 |
| 構成比（%） | 2.0 | 2.0 | 2.1 | 2.2 | 2.5 | 2.6 | 2.7 | 2.9 | 3.1 | 3.3 | 3.5 | 3.6 | 3.8 | 3.9 | 4.1 | 4.2 | 4.3 | 4.4 | 4.4 | 4.3 | 4.2 | 4.1 | 4.1 | 4.1 | 4.3 |
| 80歳以上 | 2,382 | 2,534 | 2,626 | 2,732 | 2,802 | 2,947 | 3,145 | 3,369 | 3,574 | 3,865 | 4,133 | 4,464 | 4,808 | 5,039 | 5,487 | 5,870 | 6,257 | 6,621 | 7,081 | 7,325 | 7,752 | 8,145 | 8,507 | 8,868 | 9,005 |
| 構成比（%） | 2.3 | 2.5 | 2.5 | 2.6 | 2.7 | 2.8 | 2.9 | 3.1 | 3.2 | 3.5 | 3.7 | 3.9 | 4.2 | 4.4 | 4.7 | 5.1 | 5.4 | 5.7 | 6.0 | 6.2 | 6.5 | 6.8 | 7.1 | 7.3 | 7.3 |
人口増加都市
