千葉県八街市| 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 | 3,757 | 3,738 | 3,731 | 3,718 | 3,629 | 3,666 | 3,628 | 3,578 | 3,509 | 3,389 | 3,264 | 3,103 | 2,950 | 2,830 | 2,757 | 2,659 | 2,625 | 2,518 | 2,394 | 2,329 | 2,227 | 2,098 | 1,997 | 1,933 | 1,842 |
| 構成比（%） | 5.8 | 5.6 | 5.4 | 5.3 | 5.1 | 5.0 | 4.9 | 4.7 | 4.6 | 4.4 | 4.3 | 4.1 | 3.9 | 3.7 | 3.7 | 3.5 | 3.5 | 3.4 | 3.2 | 3.1 | 3.0 | 2.9 | 2.8 | 2.7 | 2.6 |
| 5-9歳 | 4,627 | 4,610 | 4,726 | 4,680 | 4,677 | 4,655 | 4,628 | 4,505 | 4,370 | 4,196 | 3,980 | 3,851 | 3,665 | 3,533 | 3,379 | 3,266 | 3,103 | 2,953 | 2,868 | 2,788 | 2,655 | 2,653 | 2,575 | 2,433 | 2,282 |
| 構成比（%） | 7.1 | 6.9 | 6.9 | 6.6 | 6.5 | 6.3 | 6.2 | 5.9 | 5.7 | 5.5 | 5.2 | 5.1 | 4.8 | 4.7 | 4.5 | 4.4 | 4.2 | 4.0 | 3.8 | 3.8 | 3.6 | 3.6 | 3.6 | 3.4 | 3.2 |
| 10-14歳 | 4,900 | 5,016 | 5,062 | 5,105 | 5,117 | 5,084 | 5,067 | 5,097 | 5,001 | 4,899 | 4,804 | 4,676 | 4,537 | 4,405 | 4,240 | 4,042 | 3,880 | 3,714 | 3,617 | 3,503 | 3,351 | 3,179 | 2,997 | 2,855 | 2,792 |
| 構成比（%） | 7.5 | 7.5 | 7.4 | 7.2 | 7.1 | 6.9 | 6.8 | 6.7 | 6.6 | 6.4 | 6.3 | 6.1 | 6.0 | 5.8 | 5.6 | 5.4 | 5.2 | 5.0 | 4.8 | 4.7 | 4.6 | 4.4 | 4.2 | 4.0 | 4.0 |
| 15-19歳 | 4,751 | 4,760 | 4,871 | 4,974 | 5,016 | 5,063 | 5,154 | 5,132 | 5,137 | 5,103 | 5,014 | 4,981 | 4,942 | 4,823 | 4,751 | 4,681 | 4,576 | 4,400 | 4,361 | 4,237 | 4,066 | 3,866 | 3,692 | 3,610 | 3,424 |
| 構成比（%） | 7.3 | 7.1 | 7.1 | 7.1 | 7.0 | 6.9 | 6.9 | 6.8 | 6.7 | 6.7 | 6.6 | 6.5 | 6.5 | 6.4 | 6.3 | 6.2 | 6.1 | 6.0 | 5.8 | 5.7 | 5.5 | 5.3 | 5.1 | 5.1 | 4.9 |
| 20-24歳 | 4,537 | 4,699 | 4,732 | 4,671 | 4,612 | 4,597 | 4,562 | 4,630 | 4,592 | 4,625 | 4,657 | 4,627 | 4,580 | 4,509 | 4,376 | 4,296 | 4,276 | 4,287 | 4,222 | 4,213 | 4,117 | 3,982 | 3,921 | 3,801 | 3,654 |
| 構成比（%） | 7.0 | 7.0 | 6.9 | 6.6 | 6.4 | 6.3 | 6.1 | 6.1 | 6.0 | 6.1 | 6.1 | 6.1 | 6.0 | 6.0 | 5.8 | 5.7 | 5.7 | 5.8 | 5.7 | 5.7 | 5.6 | 5.5 | 5.4 | 5.3 | 5.2 |
| 25-29歳 | 3,895 | 4,116 | 4,445 | 4,650 | 4,774 | 4,970 | 5,072 | 5,072 | 4,904 | 4,649 | 4,433 | 4,286 | 4,246 | 4,179 | 4,099 | 4,044 | 3,984 | 3,900 | 3,982 | 3,880 | 3,746 | 3,661 | 3,680 | 3,494 | 3,360 |
| 構成比（%） | 6.0 | 6.2 | 6.5 | 6.6 | 6.7 | 6.8 | 6.8 | 6.7 | 6.4 | 6.1 | 5.8 | 5.6 | 5.6 | 5.5 | 5.4 | 5.4 | 5.3 | 5.3 | 5.3 | 5.2 | 5.1 | 5.0 | 5.1 | 4.9 | 4.8 |
| 30-34歳 | 4,219 | 4,315 | 4,332 | 4,522 | 4,651 | 4,870 | 5,021 | 5,292 | 5,416 | 5,435 | 5,345 | 5,220 | 5,049 | 4,714 | 4,514 | 4,266 | 3,977 | 3,793 | 3,865 | 3,860 | 3,744 | 3,758 | 3,650 | 3,608 | 3,481 |
| 構成比（%） | 6.5 | 6.5 | 6.3 | 6.4 | 6.5 | 6.6 | 6.7 | 7.0 | 7.1 | 7.1 | 7.0 | 6.9 | 6.7 | 6.2 | 6.0 | 5.7 | 5.3 | 5.1 | 5.2 | 5.2 | 5.1 | 5.2 | 5.1 | 5.1 | 4.9 |
| 35-39歳 | 4,874 | 4,818 | 4,858 | 4,792 | 4,896 | 4,991 | 5,110 | 5,061 | 5,142 | 5,105 | 5,113 | 5,232 | 5,356 | 5,398 | 5,389 | 5,299 | 5,147 | 4,922 | 4,699 | 4,521 | 4,237 | 3,902 | 3,725 | 3,701 | 3,651 |
| 構成比（%） | 7.5 | 7.2 | 7.1 | 6.8 | 6.8 | 6.8 | 6.8 | 6.7 | 6.7 | 6.7 | 6.7 | 6.9 | 7.1 | 7.1 | 7.1 | 7.1 | 6.9 | 6.7 | 6.3 | 6.1 | 5.8 | 5.4 | 5.2 | 5.2 | 5.2 |
| 40-44歳 | 5,826 | 5,680 | 5,604 | 5,542 | 5,446 | 5,399 | 5,252 | 5,210 | 5,152 | 5,174 | 5,165 | 5,192 | 5,048 | 5,117 | 5,088 | 5,102 | 5,190 | 5,320 | 5,548 | 5,494 | 5,394 | 5,313 | 5,056 | 4,709 | 4,417 |
| 構成比（%） | 9.0 | 8.5 | 8.1 | 7.9 | 7.6 | 7.4 | 7.0 | 6.9 | 6.8 | 6.8 | 6.8 | 6.8 | 6.7 | 6.8 | 6.7 | 6.8 | 7.0 | 7.2 | 7.4 | 7.4 | 7.3 | 7.3 | 7.0 | 6.6 | 6.3 |
| 45-49歳 | 5,880 | 6,618 | 6,864 | 6,794 | 6,516 | 6,286 | 6,062 | 5,924 | 5,746 | 5,533 | 5,451 | 5,266 | 5,130 | 5,057 | 5,103 | 5,068 | 5,136 | 4,985 | 5,257 | 5,259 | 5,307 | 5,256 | 5,521 | 5,522 | 5,422 |
| 構成比（%） | 9.1 | 9.9 | 10.0 | 9.6 | 9.1 | 8.6 | 8.1 | 7.8 | 7.5 | 7.3 | 7.2 | 6.9 | 6.8 | 6.7 | 6.8 | 6.8 | 6.9 | 6.7 | 7.0 | 7.1 | 7.2 | 7.2 | 7.7 | 7.7 | 7.7 |
| 50-54歳 | 4,651 | 4,589 | 4,816 | 5,281 | 5,738 | 6,335 | 7,036 | 7,211 | 7,004 | 6,660 | 6,335 | 6,012 | 5,794 | 5,622 | 5,455 | 5,350 | 5,169 | 5,068 | 5,136 | 5,160 | 5,165 | 5,259 | 5,121 | 5,267 | 5,225 |
| 構成比（%） | 7.2 | 6.9 | 7.0 | 7.5 | 8.0 | 8.6 | 9.4 | 9.5 | 9.2 | 8.7 | 8.3 | 7.9 | 7.6 | 7.4 | 7.2 | 7.1 | 6.9 | 6.9 | 6.9 | 6.9 | 7.0 | 7.2 | 7.1 | 7.4 | 7.4 |
| 55-59歳 | 3,508 | 3,840 | 4,211 | 4,500 | 4,882 | 5,074 | 4,912 | 5,086 | 5,518 | 5,866 | 6,446 | 7,106 | 7,200 | 6,976 | 6,668 | 6,264 | 5,950 | 5,744 | 5,616 | 5,554 | 5,384 | 5,248 | 5,116 | 5,009 | 5,073 |
| 構成比（%） | 5.4 | 5.7 | 6.1 | 6.4 | 6.8 | 6.9 | 6.6 | 6.7 | 7.2 | 7.7 | 8.5 | 9.3 | 9.5 | 9.2 | 8.8 | 8.4 | 8.0 | 7.8 | 7.5 | 7.5 | 7.3 | 7.2 | 7.1 | 7.0 | 7.2 |
| 60-64歳 | 2,816 | 2,997 | 3,148 | 3,342 | 3,568 | 3,772 | 4,068 | 4,436 | 4,717 | 5,051 | 5,142 | 4,938 | 5,042 | 5,467 | 5,875 | 6,437 | 7,046 | 7,123 | 6,893 | 6,644 | 6,264 | 6,005 | 5,754 | 5,557 | 5,396 |
| 構成比（%） | 4.3 | 4.5 | 4.6 | 4.7 | 5.0 | 5.1 | 5.4 | 5.9 | 6.2 | 6.6 | 6.7 | 6.5 | 6.6 | 7.2 | 7.8 | 8.6 | 9.4 | 9.6 | 9.2 | 8.9 | 8.5 | 8.3 | 8.0 | 7.8 | 7.7 |
| 65-69歳 | 2,439 | 2,518 | 2,595 | 2,719 | 2,751 | 2,890 | 3,012 | 3,178 | 3,379 | 3,598 | 3,775 | 4,032 | 4,387 | 4,624 | 4,966 | 5,073 | 4,859 | 4,932 | 5,356 | 5,629 | 6,083 | 6,619 | 6,895 | 6,720 | 6,391 |
| 構成比（%） | 3.8 | 3.8 | 3.8 | 3.9 | 3.8 | 3.9 | 4.0 | 4.2 | 4.4 | 4.7 | 5.0 | 5.3 | 5.8 | 6.1 | 6.6 | 6.8 | 6.5 | 6.7 | 7.2 | 7.6 | 8.3 | 9.1 | 9.6 | 9.4 | 9.1 |
| 70-74歳 | 1,765 | 1,886 | 2,029 | 2,194 | 2,346 | 2,390 | 2,494 | 2,530 | 2,631 | 2,636 | 2,749 | 2,849 | 2,996 | 3,183 | 3,362 | 3,582 | 3,851 | 4,154 | 4,386 | 4,618 | 4,812 | 4,637 | 4,522 | 4,886 | 5,249 |
| 構成比（%） | 2.7 | 2.8 | 2.9 | 3.1 | 3.3 | 3.3 | 3.3 | 3.3 | 3.4 | 3.5 | 3.6 | 3.7 | 3.9 | 4.2 | 4.5 | 4.8 | 5.2 | 5.6 | 5.9 | 6.2 | 6.6 | 6.4 | 6.3 | 6.9 | 7.5 |
| 75-79歳 | 1,188 | 1,257 | 1,353 | 1,421 | 1,518 | 1,624 | 1,747 | 1,862 | 1,995 | 2,130 | 2,166 | 2,236 | 2,250 | 2,340 | 2,341 | 2,438 | 2,528 | 2,684 | 2,841 | 2,958 | 3,110 | 3,335 | 3,649 | 3,825 | 4,112 |
| 構成比（%） | 1.8 | 1.9 | 2.0 | 2.0 | 2.1 | 2.2 | 2.3 | 2.5 | 2.6 | 2.8 | 2.8 | 2.9 | 3.0 | 3.1 | 3.1 | 3.3 | 3.4 | 3.6 | 3.8 | 4.0 | 4.2 | 4.6 | 5.1 | 5.4 | 5.8 |
| 80歳以上 | 1,277 | 1,373 | 1,461 | 1,552 | 1,621 | 1,721 | 1,854 | 1,995 | 2,080 | 2,230 | 2,371 | 2,522 | 2,736 | 2,865 | 3,047 | 3,141 | 3,280 | 3,397 | 3,582 | 3,645 | 3,787 | 3,942 | 4,135 | 4,360 | 4,572 |
| 構成比（%） | 2.0 | 2.1 | 2.1 | 2.2 | 2.3 | 2.3 | 2.5 | 2.6 | 2.7 | 2.9 | 3.1 | 3.3 | 3.6 | 3.8 | 4.0 | 4.2 | 4.4 | 4.6 | 4.8 | 4.9 | 5.2 | 5.4 | 5.7 | 6.1 | 6.5 |
人口増加都市
