千葉県山武郡九十九里町| 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 | 885 | 853 | 829 | 788 | 783 | 760 | 745 | 741 | 704 | 672 | 634 | 609 | 562 | 572 | 541 | 532 | 504 | 488 | 466 | 447 | 441 | 417 | 391 | 343 | 315 |
| 構成比（%） | 4.2 | 4.1 | 4.0 | 3.8 | 3.8 | 3.7 | 3.6 | 3.6 | 3.5 | 3.3 | 3.2 | 3.1 | 2.9 | 3.0 | 2.9 | 2.9 | 2.8 | 2.7 | 2.6 | 2.5 | 2.5 | 2.4 | 2.3 | 2.1 | 2.0 |
| 5-9歳 | 1,114 | 1,056 | 1,044 | 1,029 | 973 | 958 | 913 | 842 | 787 | 793 | 775 | 726 | 730 | 698 | 659 | 629 | 603 | 566 | 557 | 539 | 523 | 511 | 486 | 460 | 444 |
| 構成比（%） | 5.3 | 5.1 | 5.0 | 4.9 | 4.7 | 4.6 | 4.4 | 4.1 | 3.9 | 3.9 | 3.9 | 3.7 | 3.8 | 3.7 | 3.5 | 3.4 | 3.3 | 3.1 | 3.1 | 3.0 | 3.0 | 3.0 | 2.9 | 2.8 | 2.8 |
| 10-14歳 | 1,367 | 1,374 | 1,313 | 1,246 | 1,198 | 1,134 | 1,079 | 1,065 | 1,027 | 967 | 942 | 895 | 834 | 783 | 800 | 767 | 740 | 727 | 698 | 671 | 628 | 599 | 562 | 559 | 527 |
| 構成比（%） | 6.6 | 6.6 | 6.3 | 6.0 | 5.8 | 5.5 | 5.3 | 5.2 | 5.1 | 4.8 | 4.7 | 4.6 | 4.3 | 4.1 | 4.3 | 4.1 | 4.0 | 4.0 | 3.9 | 3.8 | 3.6 | 3.5 | 3.4 | 3.4 | 3.3 |
| 15-19歳 | 1,389 | 1,330 | 1,338 | 1,313 | 1,315 | 1,293 | 1,295 | 1,247 | 1,181 | 1,129 | 1,068 | 1,001 | 984 | 950 | 903 | 877 | 842 | 798 | 763 | 758 | 733 | 711 | 684 | 645 | 631 |
| 構成比（%） | 6.7 | 6.4 | 6.4 | 6.3 | 6.3 | 6.2 | 6.3 | 6.1 | 5.8 | 5.6 | 5.4 | 5.1 | 5.1 | 5.0 | 4.8 | 4.7 | 4.6 | 4.4 | 4.3 | 4.3 | 4.2 | 4.2 | 4.1 | 3.9 | 3.9 |
| 20-24歳 | 1,366 | 1,388 | 1,386 | 1,349 | 1,299 | 1,237 | 1,161 | 1,124 | 1,111 | 1,106 | 1,077 | 1,094 | 1,022 | 958 | 894 | 862 | 819 | 790 | 829 | 809 | 767 | 717 | 677 | 633 | 652 |
| 構成比（%） | 6.6 | 6.6 | 6.6 | 6.5 | 6.3 | 6.0 | 5.7 | 5.5 | 5.5 | 5.5 | 5.4 | 5.6 | 5.3 | 5.0 | 4.8 | 4.6 | 4.5 | 4.4 | 4.6 | 4.6 | 4.4 | 4.2 | 4.0 | 3.9 | 4.1 |
| 25-29歳 | 1,078 | 1,116 | 1,197 | 1,236 | 1,264 | 1,304 | 1,240 | 1,215 | 1,185 | 1,145 | 1,067 | 982 | 951 | 923 | 910 | 903 | 880 | 821 | 823 | 791 | 735 | 707 | 675 | 613 | 568 |
| 構成比（%） | 5.2 | 5.3 | 5.7 | 5.9 | 6.1 | 6.3 | 6.0 | 5.9 | 5.9 | 5.7 | 5.4 | 5.0 | 4.9 | 4.8 | 4.8 | 4.9 | 4.8 | 4.6 | 4.6 | 4.5 | 4.2 | 4.1 | 4.0 | 3.8 | 3.5 |
| 30-34歳 | 1,063 | 1,070 | 1,048 | 1,083 | 1,114 | 1,125 | 1,155 | 1,183 | 1,181 | 1,192 | 1,213 | 1,149 | 1,138 | 1,077 | 1,022 | 962 | 900 | 853 | 846 | 837 | 788 | 794 | 734 | 684 | 648 |
| 構成比（%） | 5.1 | 5.1 | 5.0 | 5.2 | 5.4 | 5.4 | 5.6 | 5.8 | 5.8 | 5.9 | 6.1 | 5.9 | 5.9 | 5.7 | 5.4 | 5.2 | 4.9 | 4.7 | 4.7 | 4.7 | 4.5 | 4.6 | 4.4 | 4.2 | 4.0 |
| 35-39歳 | 1,315 | 1,212 | 1,143 | 1,071 | 1,065 | 1,082 | 1,061 | 1,060 | 1,124 | 1,119 | 1,137 | 1,151 | 1,146 | 1,136 | 1,127 | 1,143 | 1,105 | 1,105 | 1,071 | 1,023 | 975 | 878 | 833 | 779 | 741 |
| 構成比（%） | 6.3 | 5.8 | 5.5 | 5.1 | 5.1 | 5.2 | 5.2 | 5.2 | 5.6 | 5.6 | 5.7 | 5.9 | 5.9 | 6.0 | 6.0 | 6.1 | 6.0 | 6.1 | 6.0 | 5.8 | 5.6 | 5.1 | 5.0 | 4.8 | 4.6 |
| 40-44歳 | 1,696 | 1,645 | 1,563 | 1,504 | 1,393 | 1,334 | 1,221 | 1,149 | 1,067 | 1,055 | 1,070 | 1,055 | 1,037 | 1,115 | 1,118 | 1,099 | 1,135 | 1,149 | 1,147 | 1,142 | 1,134 | 1,097 | 1,078 | 1,051 | 994 |
| 構成比（%） | 8.1 | 7.9 | 7.5 | 7.2 | 6.7 | 6.4 | 6.0 | 5.6 | 5.3 | 5.3 | 5.4 | 5.4 | 5.4 | 5.8 | 6.0 | 5.9 | 6.2 | 6.4 | 6.4 | 6.5 | 6.5 | 6.4 | 6.4 | 6.4 | 6.2 |
| 45-49歳 | 1,743 | 1,924 | 1,926 | 1,799 | 1,739 | 1,660 | 1,603 | 1,545 | 1,489 | 1,370 | 1,299 | 1,196 | 1,123 | 1,035 | 1,022 | 1,038 | 1,031 | 1,008 | 1,087 | 1,100 | 1,090 | 1,112 | 1,158 | 1,104 | 1,094 |
| 構成比（%） | 8.4 | 9.2 | 9.2 | 8.6 | 8.4 | 8.0 | 7.8 | 7.6 | 7.4 | 6.8 | 6.5 | 6.1 | 5.8 | 5.4 | 5.4 | 5.6 | 5.6 | 5.6 | 6.1 | 6.2 | 6.3 | 6.5 | 6.9 | 6.8 | 6.8 |
| 50-54歳 | 1,380 | 1,304 | 1,414 | 1,593 | 1,690 | 1,769 | 1,943 | 1,908 | 1,768 | 1,737 | 1,661 | 1,577 | 1,519 | 1,462 | 1,314 | 1,252 | 1,167 | 1,089 | 1,019 | 990 | 999 | 1,006 | 991 | 1,056 | 1,078 |
| 構成比（%） | 6.6 | 6.2 | 6.8 | 7.6 | 8.1 | 8.5 | 9.5 | 9.3 | 8.7 | 8.6 | 8.3 | 8.1 | 7.9 | 7.7 | 7.0 | 6.7 | 6.4 | 6.0 | 5.7 | 5.6 | 5.7 | 5.9 | 5.9 | 6.5 | 6.7 |
| 55-59歳 | 1,251 | 1,283 | 1,300 | 1,279 | 1,353 | 1,387 | 1,313 | 1,449 | 1,607 | 1,703 | 1,759 | 1,918 | 1,852 | 1,732 | 1,703 | 1,622 | 1,548 | 1,487 | 1,436 | 1,341 | 1,248 | 1,168 | 1,077 | 1,019 | 976 |
| 構成比（%） | 6.0 | 6.1 | 6.2 | 6.1 | 6.5 | 6.7 | 6.4 | 7.1 | 8.0 | 8.5 | 8.8 | 9.8 | 9.6 | 9.1 | 9.1 | 8.7 | 8.5 | 8.3 | 8.0 | 7.6 | 7.2 | 6.8 | 6.4 | 6.2 | 6.1 |
| 60-64歳 | 1,289 | 1,307 | 1,306 | 1,320 | 1,286 | 1,290 | 1,302 | 1,306 | 1,312 | 1,384 | 1,424 | 1,346 | 1,459 | 1,614 | 1,695 | 1,764 | 1,929 | 1,860 | 1,717 | 1,691 | 1,576 | 1,529 | 1,456 | 1,403 | 1,325 |
| 構成比（%） | 6.2 | 6.3 | 6.2 | 6.3 | 6.2 | 6.2 | 6.3 | 6.4 | 6.5 | 6.9 | 7.2 | 6.9 | 7.6 | 8.5 | 9.0 | 9.5 | 10.5 | 10.3 | 9.6 | 9.6 | 9.1 | 9.0 | 8.7 | 8.6 | 8.3 |
| 65-69歳 | 1,315 | 1,296 | 1,252 | 1,279 | 1,280 | 1,270 | 1,290 | 1,301 | 1,300 | 1,273 | 1,295 | 1,286 | 1,289 | 1,287 | 1,330 | 1,371 | 1,292 | 1,413 | 1,547 | 1,600 | 1,695 | 1,803 | 1,830 | 1,686 | 1,612 |
| 構成比（%） | 6.3 | 6.2 | 6.0 | 6.1 | 6.2 | 6.1 | 6.3 | 6.4 | 6.4 | 6.3 | 6.5 | 6.6 | 6.7 | 6.8 | 7.1 | 7.4 | 7.1 | 7.8 | 8.6 | 9.1 | 9.8 | 10.6 | 10.9 | 10.3 | 10.1 |
| 70-74歳 | 987 | 1,063 | 1,149 | 1,165 | 1,170 | 1,215 | 1,186 | 1,158 | 1,173 | 1,173 | 1,180 | 1,186 | 1,203 | 1,214 | 1,187 | 1,177 | 1,188 | 1,192 | 1,193 | 1,239 | 1,290 | 1,252 | 1,264 | 1,429 | 1,490 |
| 構成比（%） | 4.7 | 5.1 | 5.5 | 5.6 | 5.6 | 5.9 | 5.8 | 5.7 | 5.8 | 5.8 | 5.9 | 6.1 | 6.2 | 6.4 | 6.3 | 6.3 | 6.5 | 6.6 | 6.7 | 7.0 | 7.4 | 7.3 | 7.6 | 8.7 | 9.3 |
| 75-79歳 | 765 | 771 | 782 | 807 | 836 | 843 | 910 | 1,004 | 1,008 | 1,025 | 1,051 | 1,022 | 1,008 | 1,026 | 1,026 | 1,043 | 1,060 | 1,044 | 1,058 | 1,039 | 1,032 | 1,038 | 1,081 | 1,082 | 1,123 |
| 構成比（%） | 3.7 | 3.7 | 3.7 | 3.9 | 4.0 | 4.1 | 4.4 | 4.9 | 5.0 | 5.1 | 5.3 | 5.2 | 5.2 | 5.4 | 5.5 | 5.6 | 5.8 | 5.8 | 5.9 | 5.9 | 5.9 | 6.1 | 6.5 | 6.6 | 7.0 |
| 80歳以上 | 849 | 912 | 940 | 990 | 1,011 | 1,066 | 1,104 | 1,145 | 1,182 | 1,239 | 1,258 | 1,355 | 1,442 | 1,479 | 1,532 | 1,553 | 1,549 | 1,612 | 1,645 | 1,657 | 1,728 | 1,743 | 1,760 | 1,788 | 1,789 |
| 構成比（%） | 4.1 | 4.4 | 4.5 | 4.7 | 4.9 | 5.1 | 5.4 | 5.6 | 5.8 | 6.2 | 6.3 | 6.9 | 7.5 | 7.8 | 8.2 | 8.4 | 8.5 | 9.0 | 9.2 | 9.4 | 9.9 | 10.2 | 10.5 | 10.9 | 11.2 |
人口増加都市
