長野県岡谷市| 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 | 2,756 | 2,709 | 2,683 | 2,650 | 2,762 | 2,721 | 2,683 | 2,627 | 2,633 | 2,547 | 2,463 | 2,419 | 2,378 | 2,303 | 2,306 | 2,273 | 2,255 | 2,129 | 2,027 | 1,974 | 1,849 | 1,774 | 1,763 | 1,689 | 1,641 |
| 構成比（%） | 4.7 | 4.7 | 4.7 | 4.6 | 4.9 | 4.8 | 4.8 | 4.7 | 4.7 | 4.6 | 4.5 | 4.4 | 4.4 | 4.3 | 4.3 | 4.3 | 4.3 | 4.1 | 3.9 | 3.8 | 3.6 | 3.5 | 3.5 | 3.4 | 3.3 |
| 5-9歳 | 2,840 | 2,731 | 2,631 | 2,607 | 2,576 | 2,601 | 2,571 | 2,584 | 2,572 | 2,647 | 2,600 | 2,617 | 2,615 | 2,571 | 2,471 | 2,425 | 2,354 | 2,344 | 2,293 | 2,353 | 2,311 | 2,239 | 2,104 | 2,003 | 1,885 |
| 構成比（%） | 4.9 | 4.7 | 4.6 | 4.6 | 4.5 | 4.6 | 4.6 | 4.6 | 4.6 | 4.8 | 4.7 | 4.8 | 4.8 | 4.8 | 4.6 | 4.5 | 4.5 | 4.5 | 4.4 | 4.5 | 4.5 | 4.4 | 4.1 | 4.0 | 3.8 |
| 10-14歳 | 3,278 | 3,146 | 3,071 | 2,931 | 2,861 | 2,732 | 2,639 | 2,556 | 2,546 | 2,506 | 2,519 | 2,500 | 2,513 | 2,537 | 2,604 | 2,579 | 2,593 | 2,587 | 2,592 | 2,502 | 2,427 | 2,356 | 2,352 | 2,265 | 2,278 |
| 構成比（%） | 5.6 | 5.4 | 5.4 | 5.1 | 5.0 | 4.8 | 4.7 | 4.6 | 4.6 | 4.5 | 4.6 | 4.6 | 4.6 | 4.7 | 4.8 | 4.8 | 4.9 | 4.9 | 4.9 | 4.8 | 4.7 | 4.6 | 4.6 | 4.5 | 4.6 |
| 15-19歳 | 4,102 | 3,879 | 3,583 | 3,402 | 3,141 | 3,025 | 2,952 | 2,880 | 2,774 | 2,682 | 2,563 | 2,498 | 2,407 | 2,416 | 2,409 | 2,438 | 2,442 | 2,456 | 2,496 | 2,538 | 2,511 | 2,529 | 2,478 | 2,524 | 2,442 |
| 構成比（%） | 7.0 | 6.7 | 6.2 | 6.0 | 5.5 | 5.3 | 5.2 | 5.1 | 5.0 | 4.8 | 4.7 | 4.6 | 4.4 | 4.5 | 4.5 | 4.6 | 4.6 | 4.7 | 4.7 | 4.9 | 4.9 | 4.9 | 4.9 | 5.0 | 4.9 |
| 20-24歳 | 4,444 | 4,367 | 4,292 | 4,057 | 3,863 | 3,604 | 3,406 | 3,148 | 2,941 | 2,723 | 2,599 | 2,568 | 2,502 | 2,377 | 2,355 | 2,256 | 2,187 | 2,118 | 2,210 | 2,204 | 2,197 | 2,167 | 2,195 | 2,183 | 2,223 |
| 構成比（%） | 7.6 | 7.6 | 7.5 | 7.1 | 6.8 | 6.4 | 6.0 | 5.6 | 5.3 | 4.9 | 4.7 | 4.7 | 4.6 | 4.4 | 4.4 | 4.2 | 4.1 | 4.0 | 4.2 | 4.2 | 4.2 | 4.2 | 4.3 | 4.3 | 4.5 |
| 25-29歳 | 3,939 | 3,980 | 4,116 | 4,180 | 4,287 | 4,388 | 4,319 | 4,249 | 4,023 | 3,849 | 3,572 | 3,353 | 2,991 | 2,817 | 2,669 | 2,482 | 2,369 | 2,340 | 2,332 | 2,259 | 2,177 | 2,131 | 2,082 | 2,118 | 2,050 |
| 構成比（%） | 6.8 | 6.9 | 7.2 | 7.3 | 7.5 | 7.7 | 7.7 | 7.6 | 7.2 | 6.9 | 6.5 | 6.1 | 5.5 | 5.2 | 5.0 | 4.7 | 4.5 | 4.5 | 4.4 | 4.3 | 4.2 | 4.2 | 4.1 | 4.2 | 4.1 |
| 30-34歳 | 3,385 | 3,403 | 3,364 | 3,477 | 3,585 | 3,640 | 3,712 | 3,886 | 3,975 | 4,079 | 4,152 | 4,087 | 3,985 | 3,755 | 3,564 | 3,425 | 3,160 | 2,861 | 2,762 | 2,609 | 2,476 | 2,360 | 2,344 | 2,299 | 2,205 |
| 構成比（%） | 5.8 | 5.9 | 5.9 | 6.1 | 6.3 | 6.4 | 6.6 | 6.9 | 7.1 | 7.4 | 7.5 | 7.5 | 7.3 | 7.0 | 6.6 | 6.4 | 6.0 | 5.5 | 5.3 | 5.0 | 4.8 | 4.6 | 4.6 | 4.6 | 4.4 |
| 35-39歳 | 3,018 | 2,925 | 2,952 | 3,043 | 3,098 | 3,155 | 3,206 | 3,216 | 3,335 | 3,405 | 3,444 | 3,558 | 3,750 | 3,803 | 3,896 | 3,956 | 3,839 | 3,788 | 3,671 | 3,580 | 3,360 | 3,138 | 2,860 | 2,681 | 2,538 |
| 構成比（%） | 5.2 | 5.1 | 5.1 | 5.3 | 5.4 | 5.6 | 5.7 | 5.7 | 6.0 | 6.1 | 6.3 | 6.5 | 6.9 | 7.1 | 7.3 | 7.4 | 7.3 | 7.2 | 7.0 | 6.8 | 6.5 | 6.1 | 5.6 | 5.3 | 5.1 |
| 40-44歳 | 3,763 | 3,467 | 3,236 | 3,010 | 2,914 | 2,869 | 2,848 | 2,847 | 2,923 | 2,970 | 3,013 | 3,101 | 3,122 | 3,258 | 3,336 | 3,373 | 3,489 | 3,653 | 3,784 | 3,875 | 3,923 | 3,870 | 3,826 | 3,652 | 3,523 |
| 構成比（%） | 6.5 | 6.0 | 5.6 | 5.3 | 5.1 | 5.1 | 5.1 | 5.1 | 5.2 | 5.4 | 5.5 | 5.7 | 5.8 | 6.0 | 6.2 | 6.3 | 6.6 | 7.0 | 7.2 | 7.4 | 7.6 | 7.6 | 7.5 | 7.2 | 7.1 |
| 45-49歳 | 4,578 | 4,808 | 4,813 | 4,406 | 4,001 | 3,634 | 3,396 | 3,144 | 2,957 | 2,860 | 2,827 | 2,772 | 2,776 | 2,848 | 2,887 | 2,957 | 3,047 | 3,072 | 3,271 | 3,330 | 3,369 | 3,415 | 3,679 | 3,713 | 3,766 |
| 構成比（%） | 7.9 | 8.3 | 8.4 | 7.7 | 7.0 | 6.4 | 6.0 | 5.6 | 5.3 | 5.2 | 5.1 | 5.1 | 5.1 | 5.3 | 5.4 | 5.5 | 5.8 | 5.9 | 6.2 | 6.4 | 6.5 | 6.7 | 7.2 | 7.4 | 7.6 |
| 50-54歳 | 4,555 | 4,226 | 4,138 | 4,319 | 4,394 | 4,489 | 4,738 | 4,709 | 4,314 | 3,911 | 3,522 | 3,266 | 3,035 | 2,871 | 2,798 | 2,763 | 2,712 | 2,691 | 2,812 | 2,854 | 2,897 | 3,097 | 3,058 | 3,205 | 3,263 |
| 構成比（%） | 7.8 | 7.3 | 7.2 | 7.6 | 7.7 | 7.9 | 8.4 | 8.4 | 7.7 | 7.1 | 6.4 | 6.0 | 5.6 | 5.3 | 5.2 | 5.2 | 5.1 | 5.1 | 5.3 | 5.5 | 5.6 | 6.0 | 6.0 | 6.4 | 6.5 |
| 55-59歳 | 3,971 | 4,039 | 4,135 | 4,204 | 4,352 | 4,410 | 4,081 | 3,999 | 4,165 | 4,250 | 4,355 | 4,588 | 4,543 | 4,165 | 3,804 | 3,421 | 3,182 | 2,955 | 2,822 | 2,752 | 2,715 | 2,663 | 2,646 | 2,741 | 2,793 |
| 構成比（%） | 6.8 | 7.0 | 7.2 | 7.4 | 7.7 | 7.8 | 7.2 | 7.1 | 7.5 | 7.7 | 7.9 | 8.4 | 8.4 | 7.7 | 7.1 | 6.4 | 6.0 | 5.6 | 5.4 | 5.3 | 5.2 | 5.2 | 5.2 | 5.4 | 5.6 |
| 60-64歳 | 3,724 | 3,825 | 3,808 | 3,794 | 3,803 | 3,836 | 3,878 | 3,959 | 4,038 | 4,171 | 4,237 | 3,924 | 3,858 | 4,018 | 4,098 | 4,204 | 4,432 | 4,385 | 4,048 | 3,809 | 3,440 | 3,161 | 2,962 | 2,766 | 2,660 |
| 構成比（%） | 6.4 | 6.6 | 6.6 | 6.7 | 6.7 | 6.8 | 6.9 | 7.1 | 7.2 | 7.5 | 7.7 | 7.2 | 7.1 | 7.5 | 7.6 | 7.9 | 8.4 | 8.4 | 7.7 | 7.3 | 6.7 | 6.2 | 5.8 | 5.5 | 5.3 |
| 65-69歳 | 3,447 | 3,453 | 3,489 | 3,521 | 3,537 | 3,525 | 3,628 | 3,620 | 3,619 | 3,620 | 3,655 | 3,719 | 3,790 | 3,858 | 3,999 | 4,055 | 3,755 | 3,689 | 3,850 | 3,923 | 4,024 | 4,198 | 4,262 | 3,977 | 3,657 |
| 構成比（%） | 5.9 | 6.0 | 6.1 | 6.2 | 6.2 | 6.2 | 6.4 | 6.5 | 6.5 | 6.5 | 6.6 | 6.8 | 7.0 | 7.2 | 7.4 | 7.6 | 7.1 | 7.0 | 7.3 | 7.5 | 7.8 | 8.2 | 8.4 | 7.9 | 7.3 |
| 70-74歳 | 2,606 | 2,780 | 2,897 | 3,054 | 3,139 | 3,186 | 3,181 | 3,201 | 3,249 | 3,267 | 3,263 | 3,357 | 3,334 | 3,366 | 3,375 | 3,389 | 3,461 | 3,544 | 3,625 | 3,733 | 3,853 | 3,669 | 3,521 | 3,623 | 3,741 |
| 構成比（%） | 4.5 | 4.8 | 5.0 | 5.4 | 5.5 | 5.6 | 5.6 | 5.7 | 5.8 | 5.9 | 5.9 | 6.1 | 6.1 | 6.2 | 6.3 | 6.4 | 6.5 | 6.8 | 6.9 | 7.1 | 7.4 | 7.2 | 6.9 | 7.2 | 7.5 |
| 75-79歳 | 1,650 | 1,721 | 1,859 | 1,964 | 2,110 | 2,283 | 2,461 | 2,584 | 2,721 | 2,796 | 2,821 | 2,828 | 2,867 | 2,906 | 2,915 | 2,922 | 3,008 | 3,003 | 3,038 | 3,030 | 3,082 | 3,148 | 3,253 | 3,333 | 3,452 |
| 構成比（%） | 2.8 | 3.0 | 3.2 | 3.4 | 3.7 | 4.0 | 4.4 | 4.6 | 4.9 | 5.0 | 5.1 | 5.2 | 5.3 | 5.4 | 5.4 | 5.5 | 5.7 | 5.7 | 5.8 | 5.8 | 6.0 | 6.1 | 6.4 | 6.6 | 6.9 |
| 80歳以上 | 2,230 | 2,299 | 2,320 | 2,402 | 2,465 | 2,544 | 2,644 | 2,808 | 2,979 | 3,189 | 3,391 | 3,573 | 3,815 | 4,025 | 4,205 | 4,411 | 4,575 | 4,757 | 4,940 | 4,990 | 5,109 | 5,303 | 5,468 | 5,640 | 5,745 |
| 構成比（%） | 3.8 | 4.0 | 4.0 | 4.2 | 4.3 | 4.5 | 4.7 | 5.0 | 5.3 | 5.7 | 6.2 | 6.5 | 7.0 | 7.5 | 7.8 | 8.3 | 8.7 | 9.1 | 9.4 | 9.5 | 9.9 | 10.4 | 10.8 | 11.2 | 11.5 |
人口増加都市
