長野県飯山市| 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 | 1,352 | 1,302 | 1,292 | 1,237 | 1,242 | 1,214 | 1,191 | 1,142 | 1,082 | 1,247 | 978 | 945 | 897 | 912 | 902 | 833 | 794 | 769 | 708 | 691 | 690 | 669 | 621 | 604 | 587 |
| 構成比（%） | 4.7 | 4.6 | 4.6 | 4.4 | 4.5 | 4.4 | 4.4 | 4.2 | 4.1 | 4.7 | 3.8 | 3.7 | 3.6 | 3.7 | 3.6 | 3.4 | 3.3 | 3.3 | 3.0 | 3.0 | 3.0 | 3.0 | 2.8 | 2.8 | 2.8 |
| 5-9歳 | 1,533 | 1,499 | 1,423 | 1,392 | 1,364 | 1,349 | 1,342 | 1,317 | 1,286 | 1,286 | 1,234 | 1,183 | 1,130 | 1,064 | 1,034 | 994 | 980 | 926 | 922 | 896 | 837 | 770 | 757 | 718 | 687 |
| 構成比（%） | 5.4 | 5.3 | 5.1 | 5.0 | 4.9 | 4.9 | 4.9 | 4.9 | 4.8 | 4.9 | 4.7 | 4.6 | 4.5 | 4.3 | 4.2 | 4.1 | 4.1 | 3.9 | 3.9 | 3.9 | 3.7 | 3.4 | 3.5 | 3.3 | 3.3 |
| 10-14歳 | 1,815 | 1,752 | 1,734 | 1,681 | 1,579 | 1,519 | 1,495 | 1,422 | 1,384 | 1,387 | 1,336 | 1,318 | 1,286 | 1,266 | 1,240 | 1,200 | 1,165 | 1,130 | 1,048 | 1,014 | 984 | 986 | 918 | 909 | 898 |
| 構成比（%） | 6.4 | 6.2 | 6.2 | 6.0 | 5.7 | 5.5 | 5.5 | 5.3 | 5.2 | 5.3 | 5.1 | 5.1 | 5.1 | 5.1 | 5.0 | 4.9 | 4.8 | 4.8 | 4.5 | 4.4 | 4.3 | 4.4 | 4.2 | 4.2 | 4.3 |
| 15-19歳 | 1,888 | 1,835 | 1,758 | 1,720 | 1,729 | 1,714 | 1,657 | 1,633 | 1,600 | 1,513 | 1,436 | 1,423 | 1,373 | 1,347 | 1,339 | 1,301 | 1,268 | 1,240 | 1,238 | 1,221 | 1,201 | 1,127 | 1,100 | 1,043 | 981 |
| 構成比（%） | 6.6 | 6.5 | 6.3 | 6.2 | 6.2 | 6.2 | 6.1 | 6.1 | 6.0 | 5.8 | 5.5 | 5.5 | 5.4 | 5.4 | 5.4 | 5.3 | 5.3 | 5.2 | 5.3 | 5.3 | 5.3 | 5.0 | 5.0 | 4.9 | 4.6 |
| 20-24歳 | 1,565 | 1,572 | 1,574 | 1,554 | 1,509 | 1,468 | 1,504 | 1,412 | 1,354 | 1,325 | 1,304 | 1,238 | 1,209 | 1,127 | 1,086 | 1,062 | 1,067 | 1,057 | 1,071 | 1,086 | 1,024 | 1,013 | 972 | 948 | 937 |
| 構成比（%） | 5.5 | 5.6 | 5.6 | 5.6 | 5.4 | 5.4 | 5.5 | 5.2 | 5.1 | 5.0 | 5.0 | 4.8 | 4.8 | 4.5 | 4.4 | 4.4 | 4.4 | 4.5 | 4.6 | 4.7 | 4.5 | 4.5 | 4.4 | 4.4 | 4.4 |
| 25-29歳 | 1,382 | 1,393 | 1,465 | 1,463 | 1,499 | 1,484 | 1,443 | 1,459 | 1,432 | 1,409 | 1,365 | 1,301 | 1,209 | 1,177 | 1,135 | 1,131 | 1,060 | 1,014 | 993 | 923 | 909 | 880 | 842 | 803 | 796 |
| 構成比（%） | 4.8 | 4.9 | 5.2 | 5.2 | 5.4 | 5.4 | 5.3 | 5.4 | 5.4 | 5.4 | 5.2 | 5.1 | 4.8 | 4.7 | 4.6 | 4.6 | 4.4 | 4.3 | 4.2 | 4.0 | 4.0 | 3.9 | 3.9 | 3.7 | 3.8 |
| 30-34歳 | 1,530 | 1,503 | 1,420 | 1,383 | 1,394 | 1,364 | 1,360 | 1,364 | 1,347 | 1,336 | 1,347 | 1,362 | 1,349 | 1,311 | 1,306 | 1,260 | 1,198 | 1,124 | 1,120 | 1,077 | 1,038 | 994 | 913 | 885 | 843 |
| 構成比（%） | 5.4 | 5.3 | 5.1 | 5.0 | 5.0 | 5.0 | 5.0 | 5.1 | 5.1 | 5.1 | 5.2 | 5.3 | 5.3 | 5.3 | 5.3 | 5.2 | 5.0 | 4.8 | 4.8 | 4.7 | 4.6 | 4.5 | 4.2 | 4.1 | 4.0 |
| 35-39歳 | 1,643 | 1,588 | 1,553 | 1,565 | 1,491 | 1,488 | 1,458 | 1,394 | 1,343 | 1,327 | 1,300 | 1,269 | 1,293 | 1,289 | 1,325 | 1,329 | 1,320 | 1,316 | 1,295 | 1,281 | 1,240 | 1,151 | 1,107 | 1,073 | 1,012 |
| 構成比（%） | 5.8 | 5.6 | 5.5 | 5.6 | 5.4 | 5.4 | 5.3 | 5.2 | 5.0 | 5.0 | 5.0 | 4.9 | 5.1 | 5.2 | 5.4 | 5.4 | 5.5 | 5.6 | 5.5 | 5.5 | 5.4 | 5.2 | 5.1 | 5.0 | 4.8 |
| 40-44歳 | 1,966 | 1,886 | 1,836 | 1,754 | 1,665 | 1,593 | 1,564 | 1,531 | 1,532 | 1,530 | 1,459 | 1,402 | 1,349 | 1,302 | 1,294 | 1,256 | 1,267 | 1,296 | 1,311 | 1,309 | 1,329 | 1,309 | 1,293 | 1,252 | 1,232 |
| 構成比（%） | 6.9 | 6.7 | 6.5 | 6.3 | 6.0 | 5.8 | 5.7 | 5.7 | 5.8 | 5.8 | 5.6 | 5.5 | 5.3 | 5.2 | 5.2 | 5.1 | 5.3 | 5.5 | 5.6 | 5.7 | 5.8 | 5.9 | 5.9 | 5.8 | 5.8 |
| 45-49歳 | 2,004 | 2,207 | 2,224 | 2,155 | 2,094 | 1,954 | 1,852 | 1,769 | 1,687 | 1,693 | 1,556 | 1,538 | 1,491 | 1,495 | 1,449 | 1,429 | 1,372 | 1,312 | 1,280 | 1,276 | 1,257 | 1,253 | 1,278 | 1,291 | 1,312 |
| 構成比（%） | 7.0 | 7.8 | 7.9 | 7.7 | 7.6 | 7.1 | 6.8 | 6.6 | 6.3 | 6.4 | 6.0 | 6.0 | 5.9 | 6.0 | 5.9 | 5.9 | 5.7 | 5.5 | 5.5 | 5.5 | 5.5 | 5.6 | 5.8 | 6.0 | 6.2 |
| 50-54歳 | 1,649 | 1,540 | 1,568 | 1,658 | 1,795 | 1,976 | 2,170 | 2,181 | 2,101 | 2,092 | 1,903 | 1,798 | 1,747 | 1,676 | 1,600 | 1,547 | 1,512 | 1,475 | 1,494 | 1,468 | 1,430 | 1,388 | 1,305 | 1,262 | 1,235 |
| 構成比（%） | 5.8 | 5.4 | 5.6 | 5.9 | 6.5 | 7.2 | 8.0 | 8.1 | 7.9 | 8.0 | 7.3 | 7.0 | 6.9 | 6.7 | 6.5 | 6.3 | 6.3 | 6.2 | 6.4 | 6.3 | 6.3 | 6.2 | 6.0 | 5.9 | 5.8 |
| 55-59歳 | 1,780 | 1,688 | 1,637 | 1,631 | 1,617 | 1,598 | 1,500 | 1,522 | 1,620 | 1,623 | 1,933 | 2,127 | 2,138 | 2,048 | 1,996 | 1,872 | 1,782 | 1,716 | 1,667 | 1,618 | 1,540 | 1,485 | 1,456 | 1,452 | 1,432 |
| 構成比（%） | 6.2 | 6.0 | 5.8 | 5.9 | 5.8 | 5.8 | 5.5 | 5.7 | 6.1 | 6.2 | 7.4 | 8.3 | 8.5 | 8.2 | 8.1 | 7.7 | 7.4 | 7.3 | 7.1 | 7.0 | 6.8 | 6.6 | 6.7 | 6.8 | 6.8 |
| 60-64歳 | 2,037 | 1,999 | 1,913 | 1,823 | 1,779 | 1,711 | 1,630 | 1,578 | 1,580 | 1,563 | 1,546 | 1,448 | 1,484 | 1,588 | 1,717 | 1,887 | 2,085 | 2,098 | 2,016 | 1,973 | 1,861 | 1,776 | 1,707 | 1,640 | 1,573 |
| 構成比（%） | 7.1 | 7.1 | 6.8 | 6.5 | 6.4 | 6.2 | 6.0 | 5.9 | 5.9 | 5.9 | 5.9 | 5.6 | 5.9 | 6.4 | 6.9 | 7.7 | 8.7 | 8.9 | 8.6 | 8.5 | 8.2 | 8.0 | 7.8 | 7.6 | 7.5 |
| 65-69歳 | 2,123 | 2,133 | 2,088 | 2,067 | 1,997 | 1,922 | 1,891 | 1,818 | 1,735 | 1,712 | 1,630 | 1,550 | 1,506 | 1,500 | 1,481 | 1,481 | 1,396 | 1,433 | 1,531 | 1,621 | 1,764 | 1,944 | 2,048 | 2,005 | 1,914 |
| 構成比（%） | 7.4 | 7.5 | 7.4 | 7.4 | 7.2 | 7.0 | 6.9 | 6.8 | 6.5 | 6.5 | 6.3 | 6.0 | 6.0 | 6.0 | 6.0 | 6.1 | 5.8 | 6.1 | 6.5 | 7.0 | 7.7 | 8.7 | 9.4 | 9.3 | 9.1 |
| 70-74歳 | 1,754 | 1,793 | 1,916 | 1,958 | 1,971 | 1,951 | 1,963 | 1,935 | 1,923 | 1,889 | 1,806 | 1,756 | 1,684 | 1,620 | 1,593 | 1,526 | 1,457 | 1,418 | 1,404 | 1,365 | 1,406 | 1,341 | 1,323 | 1,383 | 1,523 |
| 構成比（%） | 6.1 | 6.3 | 6.8 | 7.0 | 7.1 | 7.1 | 7.2 | 7.2 | 7.2 | 7.2 | 6.9 | 6.8 | 6.7 | 6.5 | 6.4 | 6.3 | 6.1 | 6.0 | 6.0 | 5.9 | 6.2 | 6.0 | 6.1 | 6.4 | 7.2 |
| 75-79歳 | 1,149 | 1,202 | 1,240 | 1,312 | 1,430 | 1,527 | 1,564 | 1,672 | 1,727 | 1,671 | 1,744 | 1,751 | 1,723 | 1,707 | 1,648 | 1,598 | 1,578 | 1,523 | 1,468 | 1,456 | 1,386 | 1,341 | 1,287 | 1,296 | 1,239 |
| 構成比（%） | 4.0 | 4.2 | 4.4 | 4.7 | 5.2 | 5.6 | 5.7 | 6.2 | 6.5 | 6.4 | 6.7 | 6.8 | 6.8 | 6.9 | 6.7 | 6.5 | 6.6 | 6.4 | 6.3 | 6.3 | 6.1 | 6.0 | 5.9 | 6.0 | 5.9 |
| 80歳以上 | 1,363 | 1,412 | 1,471 | 1,516 | 1,540 | 1,601 | 1,690 | 1,748 | 1,864 | 1,697 | 2,129 | 2,261 | 2,374 | 2,488 | 2,589 | 2,695 | 2,761 | 2,795 | 2,844 | 2,846 | 2,868 | 2,904 | 2,920 | 2,920 | 2,913 |
| 構成比（%） | 4.8 | 5.0 | 5.2 | 5.4 | 5.6 | 5.8 | 6.2 | 6.5 | 7.0 | 6.5 | 8.2 | 8.8 | 9.4 | 10.0 | 10.5 | 11.0 | 11.5 | 11.8 | 12.1 | 12.3 | 12.6 | 13.0 | 13.4 | 13.6 | 13.8 |
人口増加都市
