長野県佐久市| 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 | 4,955 | 5,662 | 5,002 | 4,948 | 4,987 | 4,985 | 4,863 | 4,810 | 4,741 | 4,720 | 4,612 | 4,539 | 4,404 | 4,365 | 4,275 | 4,279 | 4,257 | 4,219 | 4,177 | 4,162 | 4,150 | 4,068 | 3,994 | 3,989 | 3,899 |
| 構成比（%） | 5.1 | 5.8 | 5.1 | 5.0 | 5.1 | 5.0 | 4.9 | 4.8 | 4.8 | 4.7 | 4.6 | 4.5 | 4.4 | 4.4 | 4.3 | 4.3 | 4.3 | 4.2 | 4.2 | 4.2 | 4.2 | 4.1 | 4.0 | 4.0 | 3.9 |
| 5-9歳 | 5,571 | 5,518 | 5,369 | 5,289 | 5,178 | 5,129 | 5,119 | 5,184 | 5,142 | 5,183 | 5,195 | 5,101 | 4,983 | 4,878 | 4,815 | 4,729 | 4,624 | 4,553 | 4,529 | 4,444 | 4,401 | 4,410 | 4,333 | 4,306 | 4,320 |
| 構成比（%） | 5.7 | 5.7 | 5.5 | 5.4 | 5.2 | 5.2 | 5.1 | 5.2 | 5.2 | 5.2 | 5.2 | 5.1 | 5.0 | 4.9 | 4.8 | 4.7 | 4.6 | 4.6 | 4.5 | 4.4 | 4.4 | 4.4 | 4.4 | 4.3 | 4.4 |
| 10-14歳 | 6,066 | 6,102 | 6,060 | 5,978 | 5,879 | 5,762 | 5,710 | 5,513 | 5,419 | 5,368 | 5,270 | 5,248 | 5,285 | 5,240 | 5,246 | 5,247 | 5,144 | 5,044 | 4,940 | 4,868 | 4,781 | 4,685 | 4,666 | 4,594 | 4,499 |
| 構成比（%） | 6.2 | 6.3 | 6.2 | 6.1 | 6.0 | 5.8 | 5.7 | 5.5 | 5.4 | 5.4 | 5.3 | 5.2 | 5.3 | 5.3 | 5.3 | 5.3 | 5.2 | 5.1 | 4.9 | 4.9 | 4.8 | 4.7 | 4.7 | 4.6 | 4.5 |
| 15-19歳 | 6,413 | 6,201 | 6,153 | 6,039 | 5,922 | 5,851 | 5,782 | 5,717 | 5,661 | 5,587 | 5,479 | 5,521 | 5,341 | 5,247 | 5,185 | 5,143 | 5,161 | 5,163 | 5,156 | 5,253 | 5,168 | 5,108 | 4,946 | 4,884 | 4,794 |
| 構成比（%） | 6.6 | 6.4 | 6.3 | 6.1 | 6.0 | 5.9 | 5.8 | 5.7 | 5.7 | 5.6 | 5.5 | 5.5 | 5.4 | 5.3 | 5.2 | 5.2 | 5.2 | 5.2 | 5.1 | 5.2 | 5.2 | 5.1 | 5.0 | 4.9 | 4.8 |
| 20-24歳 | 5,513 | 5,619 | 5,715 | 5,580 | 5,422 | 5,384 | 5,328 | 5,198 | 5,166 | 5,042 | 4,878 | 4,783 | 4,759 | 4,779 | 4,676 | 4,663 | 4,683 | 4,499 | 4,511 | 4,438 | 4,457 | 4,483 | 4,498 | 4,478 | 4,546 |
| 構成比（%） | 5.7 | 5.8 | 5.8 | 5.7 | 5.5 | 5.4 | 5.4 | 5.2 | 5.2 | 5.0 | 4.9 | 4.8 | 4.8 | 4.8 | 4.7 | 4.7 | 4.7 | 4.5 | 4.5 | 4.4 | 4.5 | 4.5 | 4.5 | 4.5 | 4.6 |
| 25-29歳 | 5,303 | 5,557 | 5,761 | 5,895 | 5,986 | 6,128 | 6,208 | 6,101 | 6,081 | 5,935 | 5,784 | 5,723 | 5,475 | 5,298 | 5,152 | 5,016 | 4,841 | 4,775 | 4,896 | 4,900 | 4,731 | 4,672 | 4,614 | 4,520 | 4,444 |
| 構成比（%） | 5.5 | 5.7 | 5.9 | 6.0 | 6.1 | 6.2 | 6.2 | 6.1 | 6.1 | 5.9 | 5.8 | 5.7 | 5.5 | 5.3 | 5.2 | 5.0 | 4.9 | 4.8 | 4.9 | 4.9 | 4.7 | 4.7 | 4.6 | 4.5 | 4.5 |
| 30-34歳 | 5,542 | 5,520 | 5,437 | 5,475 | 5,696 | 5,727 | 5,850 | 6,066 | 6,216 | 6,374 | 6,457 | 6,413 | 6,417 | 6,296 | 6,097 | 6,016 | 5,849 | 5,712 | 5,651 | 5,534 | 5,367 | 5,260 | 5,171 | 5,148 | 5,145 |
| 構成比（%） | 5.7 | 5.7 | 5.5 | 5.6 | 5.8 | 5.8 | 5.9 | 6.1 | 6.2 | 6.4 | 6.5 | 6.4 | 6.4 | 6.3 | 6.1 | 6.0 | 5.9 | 5.7 | 5.6 | 5.5 | 5.4 | 5.3 | 5.2 | 5.2 | 5.2 |
| 35-39歳 | 6,013 | 5,980 | 5,886 | 5,891 | 5,797 | 5,835 | 5,746 | 5,658 | 5,656 | 5,919 | 5,934 | 6,128 | 6,185 | 6,314 | 6,463 | 6,610 | 6,540 | 6,518 | 6,488 | 6,317 | 6,223 | 6,141 | 6,006 | 5,945 | 5,807 |
| 構成比（%） | 6.2 | 6.1 | 6.0 | 6.0 | 5.9 | 5.9 | 5.8 | 5.7 | 5.7 | 5.9 | 5.9 | 6.1 | 6.2 | 6.3 | 6.5 | 6.6 | 6.6 | 6.6 | 6.5 | 6.3 | 6.2 | 6.2 | 6.0 | 6.0 | 5.9 |
| 40-44歳 | 7,038 | 6,931 | 6,528 | 6,367 | 6,244 | 6,108 | 6,094 | 6,050 | 6,067 | 5,948 | 6,013 | 5,879 | 5,804 | 5,834 | 6,014 | 6,028 | 6,207 | 6,380 | 6,668 | 6,760 | 6,820 | 6,794 | 6,816 | 6,702 | 6,506 |
| 構成比（%） | 7.3 | 7.1 | 6.6 | 6.5 | 6.3 | 6.2 | 6.1 | 6.1 | 6.1 | 5.9 | 6.0 | 5.9 | 5.8 | 5.9 | 6.0 | 6.0 | 6.2 | 6.4 | 6.7 | 6.7 | 6.8 | 6.8 | 6.9 | 6.7 | 6.6 |
| 45-49歳 | 6,844 | 7,104 | 7,800 | 7,584 | 7,382 | 7,097 | 6,788 | 6,577 | 6,451 | 6,326 | 6,188 | 6,142 | 6,080 | 6,089 | 5,989 | 6,070 | 5,958 | 5,902 | 6,053 | 6,186 | 6,285 | 6,299 | 6,619 | 6,694 | 6,857 |
| 構成比（%） | 7.1 | 7.3 | 7.9 | 7.7 | 7.5 | 7.2 | 6.8 | 6.6 | 6.5 | 6.3 | 6.2 | 6.1 | 6.1 | 6.1 | 6.0 | 6.1 | 6.0 | 5.9 | 6.0 | 6.2 | 6.3 | 6.3 | 6.7 | 6.7 | 6.9 |
| 50-54歳 | 6,119 | 5,994 | 5,783 | 6,220 | 6,460 | 6,887 | 7,643 | 7,902 | 7,659 | 7,441 | 7,168 | 6,847 | 6,632 | 6,471 | 6,343 | 6,183 | 6,121 | 6,055 | 6,165 | 6,113 | 6,143 | 6,163 | 5,964 | 6,058 | 6,187 |
| 構成比（%） | 6.3 | 6.1 | 5.9 | 6.3 | 6.5 | 7.0 | 7.7 | 7.9 | 7.7 | 7.4 | 7.2 | 6.8 | 6.6 | 6.5 | 6.4 | 6.2 | 6.1 | 6.1 | 6.2 | 6.1 | 6.1 | 6.2 | 6.0 | 6.1 | 6.2 |
| 55-59歳 | 5,546 | 5,554 | 5,711 | 5,694 | 5,960 | 6,179 | 5,855 | 5,786 | 6,244 | 6,490 | 6,905 | 7,645 | 7,907 | 7,663 | 7,460 | 7,157 | 6,856 | 6,657 | 6,550 | 6,516 | 6,334 | 6,265 | 6,200 | 6,193 | 6,147 |
| 構成比（%） | 5.7 | 5.7 | 5.8 | 5.8 | 6.0 | 6.2 | 5.9 | 5.8 | 6.3 | 6.5 | 6.9 | 7.6 | 7.9 | 7.7 | 7.5 | 7.2 | 6.9 | 6.7 | 6.5 | 6.5 | 6.3 | 6.3 | 6.2 | 6.2 | 6.2 |
| 60-64歳 | 6,255 | 6,188 | 6,021 | 5,878 | 5,766 | 5,569 | 5,651 | 5,784 | 5,741 | 6,019 | 6,181 | 5,855 | 5,810 | 6,275 | 6,552 | 6,959 | 7,717 | 7,954 | 7,756 | 7,633 | 7,283 | 6,971 | 6,764 | 6,483 | 6,477 |
| 構成比（%） | 6.4 | 6.3 | 6.1 | 6.0 | 5.8 | 5.6 | 5.7 | 5.8 | 5.8 | 6.0 | 6.2 | 5.8 | 5.8 | 6.3 | 6.6 | 7.0 | 7.7 | 8.0 | 7.7 | 7.6 | 7.3 | 7.0 | 6.8 | 6.5 | 6.5 |
| 65-69歳 | 6,274 | 6,272 | 6,237 | 6,308 | 6,085 | 6,095 | 5,958 | 5,897 | 5,794 | 5,683 | 5,493 | 5,587 | 5,715 | 5,665 | 5,895 | 6,097 | 5,769 | 5,750 | 6,252 | 6,459 | 6,841 | 7,446 | 7,881 | 7,767 | 7,491 |
| 構成比（%） | 6.5 | 6.4 | 6.4 | 6.4 | 6.2 | 6.2 | 6.0 | 5.9 | 5.8 | 5.7 | 5.5 | 5.6 | 5.7 | 5.7 | 5.9 | 6.1 | 5.8 | 5.8 | 6.2 | 6.4 | 6.8 | 7.5 | 7.9 | 7.8 | 7.5 |
| 70-74歳 | 5,108 | 5,137 | 5,698 | 5,795 | 5,961 | 5,905 | 5,933 | 5,869 | 5,953 | 5,773 | 5,791 | 5,689 | 5,636 | 5,544 | 5,457 | 5,277 | 5,363 | 5,504 | 5,467 | 5,607 | 5,902 | 5,739 | 5,522 | 5,883 | 6,255 |
| 構成比（%） | 5.3 | 5.3 | 5.8 | 5.9 | 6.0 | 6.0 | 6.0 | 5.9 | 6.0 | 5.8 | 5.8 | 5.7 | 5.6 | 5.6 | 5.5 | 5.3 | 5.4 | 5.5 | 5.5 | 5.6 | 5.9 | 5.8 | 5.5 | 5.9 | 6.3 |
| 75-79歳 | 3,703 | 3,716 | 3,907 | 4,106 | 4,354 | 4,629 | 4,886 | 5,136 | 5,186 | 5,366 | 5,314 | 5,343 | 5,311 | 5,404 | 5,256 | 5,343 | 5,271 | 5,183 | 5,127 | 5,099 | 4,948 | 4,999 | 5,138 | 5,122 | 5,219 |
| 構成比（%） | 3.8 | 3.8 | 4.0 | 4.2 | 4.4 | 4.7 | 4.9 | 5.2 | 5.2 | 5.4 | 5.3 | 5.3 | 5.3 | 5.4 | 5.3 | 5.4 | 5.3 | 5.2 | 5.1 | 5.1 | 5.0 | 5.0 | 5.2 | 5.2 | 5.3 |
| 80歳以上 | 4,795 | 4,515 | 5,138 | 5,389 | 5,568 | 5,752 | 5,992 | 6,287 | 6,589 | 6,954 | 7,373 | 7,737 | 8,071 | 8,352 | 8,784 | 9,013 | 9,338 | 9,511 | 9,814 | 9,877 | 10,085 | 10,233 | 10,365 | 10,575 | 10,626 |
| 構成比（%） | 4.9 | 4.6 | 5.2 | 5.5 | 5.6 | 5.8 | 6.0 | 6.3 | 6.6 | 6.9 | 7.4 | 7.7 | 8.1 | 8.4 | 8.8 | 9.0 | 9.4 | 9.6 | 9.8 | 9.9 | 10.1 | 10.3 | 10.4 | 10.6 | 10.7 |
人口増加都市
