岩手県大船渡市| 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 | 2,354 | 2,278 | 2,235 | 2,173 | 2,140 | 2,060 | 1,964 | 1,848 | 1,600 | 1,697 | 1,600 | 1,533 | 1,459 | 1,394 | 1,359 | 1,315 | 1,295 | 1,246 | 1,242 | 1,241 | 1,236 | 1,230 | 1,188 | 1,150 | 1,124 |
| 構成比（%） | 5.1 | 4.9 | 4.9 | 4.7 | 4.7 | 4.5 | 4.4 | 4.2 | 3.6 | 3.9 | 3.7 | 3.6 | 3.4 | 3.3 | 3.3 | 3.2 | 3.2 | 3.2 | 3.2 | 3.2 | 3.2 | 3.2 | 3.1 | 3.1 | 3.1 |
| 5-9歳 | 2,404 | 2,428 | 2,413 | 2,389 | 2,349 | 2,363 | 2,275 | 2,241 | 2,157 | 2,140 | 2,054 | 1,991 | 1,866 | 1,785 | 1,666 | 1,589 | 1,507 | 1,411 | 1,368 | 1,336 | 1,316 | 1,293 | 1,254 | 1,236 | 1,192 |
| 構成比（%） | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.1 | 5.0 | 4.9 | 4.9 | 4.7 | 4.6 | 4.4 | 4.3 | 4.0 | 3.9 | 3.7 | 3.6 | 3.5 | 3.4 | 3.4 | 3.4 | 3.3 | 3.3 | 3.3 |
| 10-14歳 | 2,849 | 2,705 | 2,614 | 2,500 | 2,407 | 2,383 | 2,419 | 2,378 | 2,313 | 2,306 | 2,297 | 2,257 | 2,225 | 2,163 | 2,122 | 2,027 | 1,907 | 1,814 | 1,735 | 1,677 | 1,568 | 1,512 | 1,448 | 1,373 | 1,323 |
| 構成比（%） | 6.1 | 5.8 | 5.7 | 5.5 | 5.3 | 5.3 | 5.4 | 5.3 | 5.2 | 5.3 | 5.3 | 5.2 | 5.2 | 5.2 | 5.1 | 4.9 | 4.7 | 4.6 | 4.4 | 4.3 | 4.0 | 3.9 | 3.8 | 3.7 | 3.6 |
| 15-19歳 | 2,767 | 2,719 | 2,596 | 2,544 | 2,488 | 2,386 | 2,279 | 2,168 | 2,149 | 2,045 | 2,034 | 2,094 | 2,086 | 2,059 | 2,020 | 2,047 | 2,050 | 1,970 | 1,937 | 1,914 | 1,899 | 1,814 | 1,720 | 1,649 | 1,558 |
| 構成比（%） | 6.0 | 5.9 | 5.6 | 5.6 | 5.5 | 5.3 | 5.1 | 4.9 | 4.9 | 4.7 | 4.7 | 4.9 | 4.9 | 4.9 | 4.9 | 5.0 | 5.1 | 5.0 | 5.0 | 4.9 | 4.9 | 4.7 | 4.5 | 4.4 | 4.3 |
| 20-24歳 | 2,397 | 2,406 | 2,382 | 2,374 | 2,262 | 2,114 | 2,006 | 1,841 | 1,790 | 1,790 | 1,744 | 1,632 | 1,532 | 1,434 | 1,421 | 1,411 | 1,429 | 1,374 | 1,392 | 1,434 | 1,457 | 1,446 | 1,457 | 1,412 | 1,382 |
| 構成比（%） | 5.2 | 5.2 | 5.2 | 5.2 | 5.0 | 4.7 | 4.5 | 4.1 | 4.0 | 4.1 | 4.0 | 3.8 | 3.6 | 3.4 | 3.4 | 3.4 | 3.6 | 3.5 | 3.6 | 3.7 | 3.7 | 3.8 | 3.8 | 3.8 | 3.8 |
| 25-29歳 | 2,297 | 2,328 | 2,388 | 2,347 | 2,343 | 2,316 | 2,278 | 2,277 | 2,187 | 2,107 | 1,998 | 1,886 | 1,731 | 1,674 | 1,614 | 1,539 | 1,445 | 1,415 | 1,413 | 1,445 | 1,465 | 1,462 | 1,495 | 1,477 | 1,434 |
| 構成比（%） | 5.0 | 5.0 | 5.2 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 4.9 | 4.8 | 4.6 | 4.4 | 4.1 | 4.0 | 3.9 | 3.8 | 3.6 | 3.6 | 3.6 | 3.7 | 3.8 | 3.8 | 3.9 | 4.0 | 3.9 |
| 30-34歳 | 2,770 | 2,687 | 2,527 | 2,486 | 2,481 | 2,477 | 2,424 | 2,515 | 2,492 | 2,447 | 2,383 | 2,343 | 2,261 | 2,222 | 2,070 | 1,994 | 1,895 | 1,747 | 1,773 | 1,789 | 1,733 | 1,660 | 1,561 | 1,508 | 1,462 |
| 構成比（%） | 6.0 | 5.8 | 5.5 | 5.4 | 5.4 | 5.5 | 5.4 | 5.7 | 5.6 | 5.6 | 5.5 | 5.4 | 5.3 | 5.3 | 5.0 | 4.9 | 4.7 | 4.5 | 4.5 | 4.6 | 4.5 | 4.3 | 4.1 | 4.0 | 4.0 |
| 35-39歳 | 2,718 | 2,678 | 2,714 | 2,745 | 2,730 | 2,769 | 2,697 | 2,540 | 2,514 | 2,517 | 2,458 | 2,457 | 2,480 | 2,429 | 2,376 | 2,340 | 2,295 | 2,278 | 2,227 | 2,201 | 2,109 | 1,988 | 1,887 | 1,818 | 1,764 |
| 構成比（%） | 5.9 | 5.8 | 5.9 | 6.0 | 6.0 | 6.1 | 6.0 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.8 | 5.8 | 5.7 | 5.7 | 5.7 | 5.8 | 5.7 | 5.6 | 5.4 | 5.2 | 5.0 | 4.9 | 4.8 |
| 40-44歳 | 3,400 | 3,252 | 3,053 | 2,857 | 2,734 | 2,680 | 2,650 | 2,659 | 2,672 | 2,663 | 2,691 | 2,670 | 2,516 | 2,438 | 2,460 | 2,397 | 2,350 | 2,378 | 2,371 | 2,414 | 2,396 | 2,391 | 2,356 | 2,240 | 2,171 |
| 構成比（%） | 7.3 | 7.0 | 6.6 | 6.2 | 6.0 | 5.9 | 5.9 | 6.0 | 6.0 | 6.1 | 6.2 | 6.2 | 5.9 | 5.8 | 5.9 | 5.8 | 5.8 | 6.1 | 6.1 | 6.2 | 6.2 | 6.2 | 6.2 | 6.0 | 5.9 |
| 45-49歳 | 3,461 | 3,746 | 3,931 | 3,790 | 3,589 | 3,352 | 3,190 | 3,017 | 2,781 | 2,716 | 2,642 | 2,577 | 2,597 | 2,629 | 2,606 | 2,632 | 2,587 | 2,450 | 2,420 | 2,423 | 2,391 | 2,319 | 2,430 | 2,395 | 2,411 |
| 構成比（%） | 7.5 | 8.1 | 8.5 | 8.3 | 7.9 | 7.4 | 7.1 | 6.8 | 6.3 | 6.2 | 6.1 | 6.0 | 6.1 | 6.3 | 6.3 | 6.4 | 6.4 | 6.2 | 6.2 | 6.2 | 6.1 | 6.0 | 6.4 | 6.4 | 6.6 |
| 50-54歳 | 3,627 | 3,282 | 3,024 | 3,130 | 3,195 | 3,382 | 3,646 | 3,816 | 3,655 | 3,497 | 3,282 | 3,149 | 2,965 | 2,748 | 2,633 | 2,569 | 2,517 | 2,528 | 2,570 | 2,558 | 2,603 | 2,618 | 2,475 | 2,424 | 2,372 |
| 構成比（%） | 7.8 | 7.1 | 6.6 | 6.8 | 7.0 | 7.5 | 8.1 | 8.6 | 8.3 | 8.0 | 7.6 | 7.3 | 7.0 | 6.6 | 6.4 | 6.3 | 6.3 | 6.4 | 6.6 | 6.5 | 6.7 | 6.8 | 6.5 | 6.5 | 6.5 |
| 55-59歳 | 3,402 | 3,426 | 3,463 | 3,428 | 3,534 | 3,524 | 3,190 | 2,958 | 3,067 | 3,115 | 3,295 | 3,580 | 3,760 | 3,643 | 3,458 | 3,240 | 3,092 | 2,867 | 2,684 | 2,639 | 2,567 | 2,538 | 2,500 | 2,571 | 2,524 |
| 構成比（%） | 7.3 | 7.4 | 7.5 | 7.5 | 7.8 | 7.8 | 7.1 | 6.7 | 6.9 | 7.1 | 7.6 | 8.3 | 8.9 | 8.7 | 8.4 | 7.9 | 7.7 | 7.3 | 6.9 | 6.7 | 6.6 | 6.6 | 6.6 | 6.9 | 6.9 |
| 60-64歳 | 3,470 | 3,485 | 3,528 | 3,500 | 3,426 | 3,282 | 3,315 | 3,321 | 3,362 | 3,407 | 3,404 | 3,076 | 2,854 | 2,977 | 3,027 | 3,240 | 3,489 | 3,600 | 3,499 | 3,399 | 3,194 | 3,026 | 2,904 | 2,666 | 2,566 |
| 構成比（%） | 7.5 | 7.5 | 7.7 | 7.6 | 7.5 | 7.2 | 7.4 | 7.5 | 7.6 | 7.8 | 7.8 | 7.1 | 6.7 | 7.1 | 7.3 | 7.9 | 8.7 | 9.2 | 8.9 | 8.7 | 8.2 | 7.9 | 7.7 | 7.2 | 7.0 |
| 65-69歳 | 3,101 | 3,145 | 3,181 | 3,270 | 3,269 | 3,301 | 3,317 | 3,371 | 3,344 | 3,271 | 3,118 | 3,142 | 3,149 | 3,127 | 3,246 | 3,248 | 2,912 | 2,692 | 2,830 | 2,853 | 3,017 | 3,257 | 3,460 | 3,405 | 3,273 |
| 構成比（%） | 6.7 | 6.8 | 6.9 | 7.1 | 7.2 | 7.3 | 7.4 | 7.6 | 7.6 | 7.5 | 7.2 | 7.3 | 7.4 | 7.5 | 7.8 | 7.9 | 7.2 | 6.9 | 7.2 | 7.3 | 7.8 | 8.5 | 9.1 | 9.1 | 8.9 |
| 70-74歳 | 2,183 | 2,387 | 2,486 | 2,602 | 2,711 | 2,840 | 2,892 | 2,947 | 3,058 | 3,014 | 3,058 | 3,088 | 3,131 | 3,120 | 3,046 | 2,891 | 2,905 | 2,902 | 2,866 | 2,963 | 3,002 | 2,802 | 2,519 | 2,573 | 2,645 |
| 構成比（%） | 4.7 | 5.2 | 5.4 | 5.7 | 6.0 | 6.3 | 6.4 | 6.6 | 6.9 | 6.9 | 7.0 | 7.2 | 7.4 | 7.4 | 7.4 | 7.0 | 7.2 | 7.4 | 7.3 | 7.6 | 7.7 | 7.3 | 6.6 | 6.9 | 7.2 |
| 75-79歳 | 1,461 | 1,502 | 1,603 | 1,674 | 1,812 | 1,902 | 2,080 | 2,188 | 2,384 | 2,411 | 2,549 | 2,558 | 2,620 | 2,673 | 2,671 | 2,733 | 2,709 | 2,707 | 2,770 | 2,718 | 2,618 | 2,574 | 2,622 | 2,622 | 2,684 |
| 構成比（%） | 3.1 | 3.2 | 3.5 | 3.7 | 4.0 | 4.2 | 4.6 | 4.9 | 5.4 | 5.5 | 5.9 | 5.9 | 6.2 | 6.4 | 6.5 | 6.7 | 6.7 | 6.9 | 7.1 | 6.9 | 6.7 | 6.7 | 6.9 | 7.0 | 7.3 |
| 80歳以上 | 1,732 | 1,832 | 1,904 | 2,025 | 2,053 | 2,156 | 2,249 | 2,396 | 2,724 | 2,704 | 2,836 | 3,062 | 3,204 | 3,390 | 3,603 | 3,804 | 3,835 | 3,865 | 4,020 | 4,130 | 4,325 | 4,491 | 4,615 | 4,745 | 4,770 |
| 構成比（%） | 3.7 | 4.0 | 4.1 | 4.4 | 4.5 | 4.8 | 5.0 | 5.4 | 6.2 | 6.2 | 6.5 | 7.1 | 7.6 | 8.1 | 8.7 | 9.3 | 9.5 | 9.8 | 10.3 | 10.6 | 11.1 | 11.7 | 12.2 | 12.7 | 13.0 |
人口増加都市
