千葉県いすみ市| 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 | 1,778 | 1,735 | 1,703 | 1,698 | 1,698 | 1,655 | 1,607 | 1,545 | 1,510 | 1,479 | 1,408 | 1,350 | 1,343 | 1,288 | 1,273 | 1,268 | 1,265 | 1,238 | 1,233 | 1,202 | 1,171 | 1,102 | 1,055 | 1,013 | 972 |
| 構成比（%） | 4.0 | 3.9 | 3.8 | 3.8 | 3.8 | 3.7 | 3.6 | 3.5 | 3.4 | 3.4 | 3.2 | 3.1 | 3.1 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 2.9 | 2.9 | 2.8 | 2.7 | 2.6 | 2.5 |
| 5-9歳 | 2,231 | 2,176 | 2,081 | 1,977 | 1,858 | 1,860 | 1,790 | 1,772 | 1,758 | 1,724 | 1,688 | 1,655 | 1,580 | 1,530 | 1,481 | 1,435 | 1,366 | 1,347 | 1,292 | 1,268 | 1,278 | 1,298 | 1,262 | 1,247 | 1,206 |
| 構成比（%） | 5.0 | 4.8 | 4.6 | 4.4 | 4.2 | 4.2 | 4.0 | 4.0 | 4.0 | 3.9 | 3.9 | 3.8 | 3.7 | 3.6 | 3.5 | 3.4 | 3.3 | 3.3 | 3.1 | 3.1 | 3.2 | 3.2 | 3.2 | 3.2 | 3.2 |
| 10-14歳 | 2,631 | 2,649 | 2,499 | 2,471 | 2,407 | 2,249 | 2,202 | 2,104 | 1,985 | 1,871 | 1,876 | 1,817 | 1,791 | 1,779 | 1,759 | 1,690 | 1,664 | 1,591 | 1,551 | 1,528 | 1,441 | 1,363 | 1,341 | 1,290 | 1,278 |
| 構成比（%） | 5.9 | 5.9 | 5.6 | 5.5 | 5.4 | 5.0 | 5.0 | 4.8 | 4.5 | 4.3 | 4.3 | 4.2 | 4.1 | 4.2 | 4.1 | 4.0 | 4.0 | 3.9 | 3.8 | 3.7 | 3.6 | 3.4 | 3.4 | 3.3 | 3.3 |
| 15-19歳 | 2,672 | 2,569 | 2,554 | 2,522 | 2,494 | 2,488 | 2,507 | 2,366 | 2,307 | 2,268 | 2,118 | 2,109 | 2,032 | 1,915 | 1,782 | 1,773 | 1,728 | 1,700 | 1,704 | 1,688 | 1,657 | 1,613 | 1,530 | 1,515 | 1,454 |
| 構成比（%） | 5.9 | 5.7 | 5.7 | 5.6 | 5.6 | 5.6 | 5.7 | 5.4 | 5.2 | 5.2 | 4.9 | 4.9 | 4.7 | 4.5 | 4.2 | 4.2 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.0 | 3.9 | 3.9 | 3.8 |
| 20-24歳 | 2,612 | 2,573 | 2,484 | 2,437 | 2,317 | 2,216 | 2,108 | 2,129 | 2,148 | 2,148 | 2,150 | 2,084 | 1,957 | 1,936 | 1,863 | 1,739 | 1,695 | 1,613 | 1,543 | 1,518 | 1,510 | 1,467 | 1,424 | 1,384 | 1,353 |
| 構成比（%） | 5.8 | 5.7 | 5.5 | 5.4 | 5.2 | 5.0 | 4.8 | 4.8 | 4.9 | 4.9 | 4.9 | 4.8 | 4.5 | 4.5 | 4.4 | 4.1 | 4.0 | 3.9 | 3.7 | 3.7 | 3.7 | 3.7 | 3.6 | 3.6 | 3.5 |
| 25-29歳 | 2,218 | 2,287 | 2,450 | 2,398 | 2,488 | 2,524 | 2,422 | 2,329 | 2,284 | 2,147 | 2,069 | 2,039 | 2,055 | 1,969 | 1,919 | 1,901 | 1,824 | 1,675 | 1,711 | 1,653 | 1,528 | 1,446 | 1,322 | 1,250 | 1,175 |
| 構成比（%） | 4.9 | 5.1 | 5.5 | 5.4 | 5.6 | 5.7 | 5.5 | 5.3 | 5.2 | 4.9 | 4.7 | 4.7 | 4.8 | 4.6 | 4.5 | 4.5 | 4.4 | 4.1 | 4.1 | 4.0 | 3.8 | 3.6 | 3.4 | 3.2 | 3.1 |
| 30-34歳 | 2,360 | 2,310 | 2,208 | 2,213 | 2,214 | 2,212 | 2,246 | 2,347 | 2,321 | 2,412 | 2,396 | 2,364 | 2,322 | 2,249 | 2,118 | 2,005 | 1,948 | 1,969 | 1,956 | 1,882 | 1,840 | 1,810 | 1,694 | 1,575 | 1,461 |
| 構成比（%） | 5.3 | 5.1 | 4.9 | 4.9 | 5.0 | 5.0 | 5.1 | 5.3 | 5.3 | 5.5 | 5.5 | 5.4 | 5.4 | 5.3 | 5.0 | 4.8 | 4.7 | 4.8 | 4.7 | 4.6 | 4.5 | 4.5 | 4.3 | 4.1 | 3.8 |
| 35-39歳 | 2,681 | 2,615 | 2,566 | 2,521 | 2,441 | 2,411 | 2,330 | 2,234 | 2,260 | 2,230 | 2,231 | 2,301 | 2,373 | 2,338 | 2,436 | 2,433 | 2,394 | 2,311 | 2,273 | 2,211 | 2,112 | 1,998 | 2,006 | 1,931 | 1,851 |
| 構成比（%） | 6.0 | 5.8 | 5.7 | 5.6 | 5.5 | 5.4 | 5.3 | 5.1 | 5.1 | 5.1 | 5.1 | 5.3 | 5.5 | 5.5 | 5.7 | 5.8 | 5.7 | 5.6 | 5.5 | 5.4 | 5.2 | 5.0 | 5.1 | 5.0 | 4.8 |
| 40-44歳 | 3,193 | 3,061 | 2,978 | 2,888 | 2,841 | 2,719 | 2,621 | 2,559 | 2,509 | 2,427 | 2,399 | 2,320 | 2,210 | 2,237 | 2,210 | 2,243 | 2,302 | 2,358 | 2,390 | 2,453 | 2,444 | 2,427 | 2,370 | 2,300 | 2,201 |
| 構成比（%） | 7.1 | 6.8 | 6.6 | 6.5 | 6.4 | 6.1 | 5.9 | 5.8 | 5.7 | 5.5 | 5.5 | 5.3 | 5.1 | 5.2 | 5.2 | 5.3 | 5.5 | 5.7 | 5.8 | 6.0 | 6.0 | 6.1 | 6.0 | 5.9 | 5.8 |
| 45-49歳 | 3,508 | 3,830 | 3,761 | 3,510 | 3,336 | 3,178 | 3,052 | 2,968 | 2,889 | 2,840 | 2,733 | 2,617 | 2,585 | 2,524 | 2,438 | 2,386 | 2,308 | 2,206 | 2,295 | 2,269 | 2,302 | 2,309 | 2,420 | 2,411 | 2,472 |
| 構成比（%） | 7.8 | 8.5 | 8.4 | 7.8 | 7.5 | 7.1 | 6.9 | 6.7 | 6.6 | 6.5 | 6.3 | 6.0 | 6.0 | 5.9 | 5.7 | 5.7 | 5.5 | 5.3 | 5.6 | 5.5 | 5.7 | 5.8 | 6.1 | 6.2 | 6.5 |
| 50-54歳 | 3,056 | 2,858 | 2,935 | 3,279 | 3,439 | 3,565 | 3,875 | 3,819 | 3,550 | 3,364 | 3,221 | 3,087 | 2,992 | 2,892 | 2,860 | 2,726 | 2,605 | 2,557 | 2,554 | 2,503 | 2,434 | 2,413 | 2,247 | 2,301 | 2,261 |
| 構成比（%） | 6.8 | 6.4 | 6.5 | 7.3 | 7.7 | 8.0 | 8.7 | 8.6 | 8.1 | 7.7 | 7.4 | 7.1 | 6.9 | 6.8 | 6.7 | 6.5 | 6.2 | 6.2 | 6.2 | 6.1 | 6.0 | 6.0 | 5.7 | 5.9 | 5.9 |
| 55-59歳 | 2,850 | 2,856 | 2,904 | 2,872 | 3,068 | 3,168 | 2,978 | 3,044 | 3,390 | 3,545 | 3,652 | 3,967 | 3,898 | 3,636 | 3,447 | 3,322 | 3,168 | 3,039 | 2,935 | 2,916 | 2,820 | 2,683 | 2,622 | 2,580 | 2,510 |
| 構成比（%） | 6.3 | 6.3 | 6.5 | 6.4 | 6.9 | 7.1 | 6.7 | 6.9 | 7.7 | 8.1 | 8.4 | 9.1 | 9.0 | 8.5 | 8.1 | 7.9 | 7.6 | 7.4 | 7.1 | 7.1 | 7.0 | 6.7 | 6.7 | 6.7 | 6.6 |
| 60-64歳 | 3,305 | 3,319 | 3,211 | 3,174 | 3,059 | 2,985 | 2,999 | 3,067 | 3,061 | 3,252 | 3,362 | 3,208 | 3,239 | 3,548 | 3,659 | 3,770 | 4,085 | 4,048 | 3,787 | 3,630 | 3,394 | 3,234 | 3,082 | 2,963 | 2,912 |
| 構成比（%） | 7.4 | 7.4 | 7.2 | 7.1 | 6.8 | 6.7 | 6.8 | 6.9 | 7.0 | 7.4 | 7.7 | 7.4 | 7.5 | 8.3 | 8.6 | 8.9 | 9.8 | 9.8 | 9.2 | 8.9 | 8.4 | 8.1 | 7.8 | 7.6 | 7.6 |
| 65-69歳 | 3,437 | 3,404 | 3,459 | 3,424 | 3,291 | 3,295 | 3,300 | 3,218 | 3,197 | 3,111 | 3,018 | 3,026 | 3,106 | 3,105 | 3,314 | 3,430 | 3,281 | 3,271 | 3,556 | 3,654 | 3,795 | 4,031 | 4,122 | 3,861 | 3,616 |
| 構成比（%） | 7.7 | 7.6 | 7.7 | 7.6 | 7.4 | 7.4 | 7.4 | 7.3 | 7.3 | 7.1 | 6.9 | 7.0 | 7.2 | 7.3 | 7.8 | 8.1 | 7.8 | 7.9 | 8.6 | 8.9 | 9.4 | 10.1 | 10.5 | 10.0 | 9.5 |
| 70-74歳 | 2,491 | 2,723 | 2,876 | 3,037 | 3,138 | 3,208 | 3,186 | 3,271 | 3,236 | 3,140 | 3,147 | 3,130 | 3,057 | 3,052 | 2,974 | 2,906 | 2,900 | 2,971 | 3,008 | 3,155 | 3,281 | 3,217 | 3,106 | 3,389 | 3,553 |
| 構成比（%） | 5.5 | 6.1 | 6.4 | 6.8 | 7.0 | 7.2 | 7.2 | 7.4 | 7.4 | 7.2 | 7.2 | 7.2 | 7.1 | 7.1 | 7.0 | 6.9 | 6.9 | 7.2 | 7.3 | 7.7 | 8.1 | 8.0 | 7.9 | 8.7 | 9.3 |
| 75-79歳 | 1,872 | 1,893 | 1,921 | 1,944 | 2,121 | 2,210 | 2,410 | 2,549 | 2,656 | 2,749 | 2,848 | 2,824 | 2,939 | 2,910 | 2,835 | 2,832 | 2,834 | 2,750 | 2,743 | 2,689 | 2,667 | 2,634 | 2,706 | 2,749 | 2,909 |
| 構成比（%） | 4.2 | 4.2 | 4.3 | 4.3 | 4.7 | 5.0 | 5.4 | 5.8 | 6.0 | 6.3 | 6.5 | 6.5 | 6.8 | 6.8 | 6.7 | 6.7 | 6.8 | 6.7 | 6.6 | 6.6 | 6.6 | 6.6 | 6.9 | 7.1 | 7.6 |
| 80歳以上 | 2,024 | 2,135 | 2,268 | 2,406 | 2,491 | 2,604 | 2,723 | 2,875 | 2,961 | 3,150 | 3,318 | 3,544 | 3,722 | 3,878 | 4,120 | 4,311 | 4,489 | 4,665 | 4,744 | 4,796 | 4,828 | 4,969 | 5,051 | 5,028 | 5,058 |
| 構成比（%） | 4.5 | 4.7 | 5.1 | 5.4 | 5.6 | 5.8 | 6.1 | 6.5 | 6.7 | 7.2 | 7.6 | 8.2 | 8.6 | 9.1 | 9.7 | 10.2 | 10.7 | 11.3 | 11.5 | 11.7 | 11.9 | 12.4 | 12.8 | 13.0 | 13.2 |
人口増加都市
