静岡県伊豆の国市| 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 | 2,420 | 2,479 | 2,451 | 2,423 | 2,362 | 2,287 | 2,263 | 2,170 | 2,134 | 2,129 | 2,132 | 2,147 | 2,140 | 2,081 | 2,017 | 1,947 | 1,861 | 1,811 | 1,810 | 1,810 | 1,803 | 1,836 | 1,770 | 1,718 | 1,619 |
| 構成比（%） | 4.8 | 4.9 | 4.8 | 4.8 | 4.7 | 4.5 | 4.5 | 4.3 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.1 | 4.0 | 3.9 | 3.7 | 3.6 | 3.6 | 3.6 | 3.6 | 3.7 | 3.6 | 3.5 | 3.3 |
| 5-9歳 | 2,543 | 2,471 | 2,453 | 2,440 | 2,402 | 2,439 | 2,471 | 2,472 | 2,451 | 2,414 | 2,358 | 2,338 | 2,245 | 2,192 | 2,204 | 2,213 | 2,177 | 2,157 | 2,142 | 2,083 | 2,034 | 1,973 | 1,932 | 1,927 | 1,928 |
| 構成比（%） | 5.1 | 4.9 | 4.8 | 4.8 | 4.7 | 4.8 | 4.9 | 4.9 | 4.8 | 4.8 | 4.7 | 4.6 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.3 | 4.3 | 4.2 | 4.1 | 4.0 | 3.9 | 3.9 | 3.9 |
| 10-14歳 | 2,905 | 2,877 | 2,810 | 2,678 | 2,647 | 2,574 | 2,487 | 2,468 | 2,442 | 2,416 | 2,442 | 2,438 | 2,448 | 2,442 | 2,404 | 2,366 | 2,360 | 2,299 | 2,281 | 2,289 | 2,247 | 2,198 | 2,196 | 2,148 | 2,105 |
| 構成比（%） | 5.8 | 5.7 | 5.5 | 5.3 | 5.2 | 5.1 | 4.9 | 4.9 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.9 | 4.8 | 4.7 | 4.7 | 4.6 | 4.6 | 4.6 | 4.5 | 4.4 | 4.4 | 4.4 | 4.3 |
| 15-19歳 | 3,517 | 3,343 | 3,223 | 3,093 | 2,915 | 2,795 | 2,774 | 2,705 | 2,590 | 2,528 | 2,451 | 2,413 | 2,406 | 2,351 | 2,333 | 2,391 | 2,370 | 2,405 | 2,436 | 2,408 | 2,357 | 2,330 | 2,280 | 2,243 | 2,247 |
| 構成比（%） | 7.0 | 6.6 | 6.4 | 6.1 | 5.8 | 5.5 | 5.5 | 5.3 | 5.1 | 5.0 | 4.8 | 4.8 | 4.8 | 4.7 | 4.7 | 4.8 | 4.8 | 4.8 | 4.9 | 4.8 | 4.7 | 4.7 | 4.6 | 4.6 | 4.6 |
| 20-24歳 | 3,677 | 3,725 | 3,671 | 3,570 | 3,436 | 3,249 | 2,970 | 2,862 | 2,787 | 2,599 | 2,505 | 2,501 | 2,418 | 2,353 | 2,328 | 2,296 | 2,214 | 2,166 | 2,205 | 2,266 | 2,307 | 2,349 | 2,266 | 2,243 | 2,187 |
| 構成比（%） | 7.3 | 7.4 | 7.2 | 7.1 | 6.8 | 6.4 | 5.9 | 5.7 | 5.5 | 5.1 | 4.9 | 4.9 | 4.8 | 4.7 | 4.6 | 4.6 | 4.4 | 4.4 | 4.4 | 4.5 | 4.6 | 4.7 | 4.6 | 4.6 | 4.5 |
| 25-29歳 | 3,416 | 3,469 | 3,583 | 3,623 | 3,665 | 3,660 | 3,729 | 3,622 | 3,471 | 3,399 | 3,176 | 2,936 | 2,781 | 2,705 | 2,520 | 2,420 | 2,393 | 2,287 | 2,275 | 2,298 | 2,220 | 2,149 | 2,134 | 2,130 | 2,111 |
| 構成比（%） | 6.8 | 6.9 | 7.1 | 7.2 | 7.2 | 7.2 | 7.4 | 7.2 | 6.9 | 6.7 | 6.3 | 5.8 | 5.5 | 5.4 | 5.0 | 4.8 | 4.8 | 4.6 | 4.5 | 4.6 | 4.4 | 4.3 | 4.3 | 4.3 | 4.3 |
| 30-34歳 | 2,883 | 2,950 | 2,952 | 3,008 | 3,205 | 3,259 | 3,367 | 3,428 | 3,559 | 3,528 | 3,606 | 3,635 | 3,505 | 3,281 | 3,174 | 3,045 | 2,741 | 2,671 | 2,642 | 2,534 | 2,450 | 2,414 | 2,326 | 2,242 | 2,195 |
| 構成比（%） | 5.7 | 5.8 | 5.8 | 5.9 | 6.3 | 6.4 | 6.6 | 6.8 | 7.0 | 7.0 | 7.1 | 7.2 | 6.9 | 6.5 | 6.3 | 6.1 | 5.5 | 5.4 | 5.3 | 5.1 | 4.9 | 4.8 | 4.7 | 4.6 | 4.5 |
| 35-39歳 | 2,927 | 2,887 | 2,845 | 2,809 | 2,796 | 2,846 | 2,891 | 2,937 | 3,025 | 3,168 | 3,262 | 3,400 | 3,514 | 3,547 | 3,552 | 3,583 | 3,609 | 3,502 | 3,430 | 3,303 | 3,178 | 2,950 | 2,823 | 2,738 | 2,575 |
| 構成比（%） | 5.8 | 5.7 | 5.6 | 5.5 | 5.5 | 5.6 | 5.7 | 5.8 | 6.0 | 6.3 | 6.4 | 6.7 | 6.9 | 7.1 | 7.1 | 7.1 | 7.2 | 7.1 | 6.9 | 6.6 | 6.4 | 5.9 | 5.7 | 5.6 | 5.3 |
| 40-44歳 | 3,704 | 3,503 | 3,263 | 3,114 | 3,014 | 2,983 | 2,915 | 2,883 | 2,861 | 2,847 | 2,874 | 2,912 | 2,937 | 3,004 | 3,138 | 3,251 | 3,349 | 3,463 | 3,604 | 3,658 | 3,683 | 3,710 | 3,653 | 3,506 | 3,330 |
| 構成比（%） | 7.4 | 6.9 | 6.4 | 6.2 | 5.9 | 5.9 | 5.8 | 5.7 | 5.6 | 5.6 | 5.7 | 5.7 | 5.8 | 6.0 | 6.3 | 6.5 | 6.7 | 7.0 | 7.2 | 7.3 | 7.4 | 7.4 | 7.4 | 7.1 | 6.8 |
| 45-49歳 | 4,526 | 4,793 | 4,845 | 4,488 | 4,175 | 3,775 | 3,516 | 3,309 | 3,171 | 3,049 | 3,016 | 2,935 | 2,861 | 2,855 | 2,858 | 2,896 | 2,950 | 2,960 | 3,062 | 3,141 | 3,223 | 3,333 | 3,529 | 3,550 | 3,646 |
| 構成比（%） | 9.0 | 9.5 | 9.6 | 8.9 | 8.2 | 7.5 | 6.9 | 6.5 | 6.3 | 6.0 | 6.0 | 5.8 | 5.7 | 5.7 | 5.7 | 5.8 | 5.9 | 6.0 | 6.1 | 6.3 | 6.5 | 6.7 | 7.1 | 7.2 | 7.5 |
| 50-54歳 | 3,892 | 3,793 | 3,760 | 4,172 | 4,356 | 4,571 | 4,817 | 4,850 | 4,484 | 4,179 | 3,789 | 3,554 | 3,301 | 3,155 | 3,029 | 3,019 | 2,904 | 2,873 | 2,944 | 2,947 | 2,977 | 3,045 | 2,954 | 3,056 | 3,123 |
| 構成比（%） | 7.8 | 7.5 | 7.4 | 8.2 | 8.6 | 9.0 | 9.5 | 9.6 | 8.9 | 8.3 | 7.5 | 7.0 | 6.5 | 6.3 | 6.0 | 6.0 | 5.8 | 5.8 | 5.9 | 5.9 | 6.0 | 6.1 | 6.0 | 6.2 | 6.4 |
| 55-59歳 | 3,249 | 3,365 | 3,536 | 3,568 | 3,788 | 3,859 | 3,739 | 3,753 | 4,141 | 4,310 | 4,550 | 4,830 | 4,857 | 4,455 | 4,149 | 3,746 | 3,491 | 3,255 | 3,148 | 3,082 | 3,035 | 2,935 | 2,914 | 2,918 | 2,928 |
| 構成比（%） | 6.5 | 6.7 | 7.0 | 7.0 | 7.5 | 7.6 | 7.4 | 7.4 | 8.2 | 8.5 | 9.0 | 9.5 | 9.6 | 8.9 | 8.3 | 7.5 | 7.0 | 6.6 | 6.3 | 6.2 | 6.1 | 5.9 | 5.9 | 5.9 | 6.0 |
| 60-64歳 | 3,062 | 3,090 | 3,194 | 3,234 | 3,195 | 3,204 | 3,327 | 3,482 | 3,505 | 3,722 | 3,821 | 3,741 | 3,735 | 4,122 | 4,260 | 4,461 | 4,728 | 4,776 | 4,384 | 4,167 | 3,785 | 3,568 | 3,311 | 3,173 | 3,037 |
| 構成比（%） | 6.1 | 6.1 | 6.3 | 6.4 | 6.3 | 6.3 | 6.6 | 6.9 | 6.9 | 7.4 | 7.5 | 7.4 | 7.4 | 8.2 | 8.5 | 8.9 | 9.5 | 9.6 | 8.8 | 8.3 | 7.6 | 7.2 | 6.7 | 6.4 | 6.2 |
| 65-69歳 | 2,761 | 2,806 | 2,814 | 2,902 | 2,936 | 2,988 | 2,989 | 3,085 | 3,136 | 3,107 | 3,134 | 3,247 | 3,407 | 3,457 | 3,637 | 3,733 | 3,628 | 3,605 | 4,016 | 4,152 | 4,335 | 4,572 | 4,710 | 4,388 | 4,116 |
| 構成比（%） | 5.5 | 5.6 | 5.6 | 5.7 | 5.8 | 5.9 | 5.9 | 6.1 | 6.2 | 6.1 | 6.2 | 6.4 | 6.7 | 6.9 | 7.3 | 7.4 | 7.3 | 7.3 | 8.0 | 8.3 | 8.7 | 9.2 | 9.5 | 8.9 | 8.4 |
| 70-74歳 | 1,888 | 2,031 | 2,119 | 2,275 | 2,405 | 2,535 | 2,582 | 2,591 | 2,677 | 2,732 | 2,775 | 2,801 | 2,899 | 2,911 | 2,917 | 2,963 | 3,057 | 3,210 | 3,251 | 3,397 | 3,571 | 3,498 | 3,437 | 3,729 | 3,940 |
| 構成比（%） | 3.8 | 4.0 | 4.2 | 4.5 | 4.7 | 5.0 | 5.1 | 5.1 | 5.3 | 5.4 | 5.5 | 5.5 | 5.7 | 5.8 | 5.8 | 5.9 | 6.1 | 6.5 | 6.5 | 6.8 | 7.2 | 7.0 | 6.9 | 7.6 | 8.1 |
| 75-79歳 | 1,308 | 1,383 | 1,475 | 1,500 | 1,614 | 1,666 | 1,775 | 1,839 | 1,976 | 2,080 | 2,215 | 2,261 | 2,295 | 2,375 | 2,427 | 2,452 | 2,468 | 2,579 | 2,619 | 2,603 | 2,643 | 2,739 | 2,904 | 2,981 | 3,123 |
| 構成比（%） | 2.6 | 2.7 | 2.9 | 3.0 | 3.2 | 3.3 | 3.5 | 3.6 | 3.9 | 4.1 | 4.4 | 4.5 | 4.5 | 4.7 | 4.8 | 4.9 | 5.0 | 5.2 | 5.2 | 5.2 | 5.3 | 5.5 | 5.9 | 6.1 | 6.4 |
| 80歳以上 | 1,464 | 1,568 | 1,644 | 1,717 | 1,774 | 1,890 | 2,025 | 2,177 | 2,242 | 2,389 | 2,518 | 2,679 | 2,837 | 2,990 | 3,141 | 3,348 | 3,505 | 3,646 | 3,803 | 3,906 | 4,056 | 4,230 | 4,359 | 4,510 | 4,650 |
| 構成比（%） | 2.9 | 3.1 | 3.2 | 3.4 | 3.5 | 3.7 | 4.0 | 4.3 | 4.4 | 4.7 | 5.0 | 5.3 | 5.6 | 5.9 | 6.3 | 6.7 | 7.0 | 7.3 | 7.6 | 7.8 | 8.1 | 8.5 | 8.8 | 9.2 | 9.5 |
人口増加都市
