岩手県二戸市| 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 | 1,623 | 1,571 | 1,587 | 1,552 | 1,533 | 1,469 | 1,452 | 1,365 | 1,344 | 1,300 | 1,291 | 1,244 | 1,227 | 1,189 | 1,110 | 1,040 | 1,025 | 993 | 968 | 967 | 922 | 918 | 875 | 826 | 785 |
| 構成比（%） | 4.7 | 4.6 | 4.6 | 4.6 | 4.5 | 4.4 | 4.3 | 4.1 | 4.1 | 4.0 | 4.0 | 3.9 | 3.8 | 3.8 | 3.6 | 3.4 | 3.4 | 3.3 | 3.3 | 3.3 | 3.2 | 3.2 | 3.1 | 3.0 | 2.9 |
| 5-9歳 | 1,925 | 1,884 | 1,834 | 1,791 | 1,708 | 1,692 | 1,615 | 1,586 | 1,547 | 1,515 | 1,439 | 1,455 | 1,397 | 1,354 | 1,294 | 1,277 | 1,192 | 1,175 | 1,129 | 1,091 | 1,045 | 1,039 | 974 | 926 | 945 |
| 構成比（%） | 5.6 | 5.5 | 5.4 | 5.3 | 5.0 | 5.0 | 4.8 | 4.8 | 4.7 | 4.6 | 4.4 | 4.5 | 4.4 | 4.3 | 4.2 | 4.2 | 3.9 | 3.9 | 3.8 | 3.7 | 3.6 | 3.6 | 3.5 | 3.4 | 3.5 |
| 10-14歳 | 2,148 | 2,080 | 2,019 | 1,937 | 1,938 | 1,886 | 1,865 | 1,835 | 1,771 | 1,683 | 1,640 | 1,569 | 1,533 | 1,512 | 1,469 | 1,403 | 1,400 | 1,350 | 1,323 | 1,267 | 1,260 | 1,185 | 1,131 | 1,114 | 1,051 |
| 構成比（%） | 6.2 | 6.0 | 5.9 | 5.7 | 5.7 | 5.6 | 5.6 | 5.5 | 5.4 | 5.1 | 5.0 | 4.9 | 4.8 | 4.8 | 4.7 | 4.6 | 4.6 | 4.5 | 4.5 | 4.3 | 4.4 | 4.2 | 4.0 | 4.0 | 3.9 |
| 15-19歳 | 2,140 | 2,083 | 2,026 | 1,992 | 1,960 | 1,888 | 1,838 | 1,839 | 1,795 | 1,767 | 1,716 | 1,701 | 1,636 | 1,556 | 1,485 | 1,444 | 1,377 | 1,370 | 1,364 | 1,380 | 1,322 | 1,296 | 1,247 | 1,215 | 1,170 |
| 構成比（%） | 6.2 | 6.1 | 5.9 | 5.9 | 5.8 | 5.6 | 5.5 | 5.5 | 5.4 | 5.4 | 5.3 | 5.3 | 5.1 | 4.9 | 4.8 | 4.7 | 4.6 | 4.6 | 4.6 | 4.7 | 4.6 | 4.5 | 4.4 | 4.4 | 4.3 |
| 20-24歳 | 1,638 | 1,624 | 1,621 | 1,589 | 1,576 | 1,527 | 1,481 | 1,471 | 1,443 | 1,445 | 1,409 | 1,320 | 1,284 | 1,226 | 1,192 | 1,139 | 1,144 | 1,112 | 1,066 | 1,051 | 1,006 | 987 | 1,015 | 980 | 940 |
| 構成比（%） | 4.7 | 4.7 | 4.7 | 4.7 | 4.6 | 4.5 | 4.4 | 4.4 | 4.4 | 4.4 | 4.3 | 4.1 | 4.0 | 3.9 | 3.8 | 3.7 | 3.8 | 3.7 | 3.6 | 3.6 | 3.5 | 3.5 | 3.6 | 3.6 | 3.5 |
| 25-29歳 | 1,733 | 1,754 | 1,794 | 1,815 | 1,825 | 1,820 | 1,827 | 1,749 | 1,708 | 1,657 | 1,565 | 1,512 | 1,456 | 1,398 | 1,342 | 1,300 | 1,252 | 1,205 | 1,196 | 1,168 | 1,120 | 1,063 | 1,016 | 1,018 | 983 |
| 構成比（%） | 5.0 | 5.1 | 5.2 | 5.3 | 5.4 | 5.4 | 5.5 | 5.3 | 5.2 | 5.0 | 4.8 | 4.7 | 4.6 | 4.4 | 4.3 | 4.2 | 4.1 | 4.0 | 4.0 | 4.0 | 3.9 | 3.7 | 3.6 | 3.7 | 3.6 |
| 30-34歳 | 1,893 | 1,863 | 1,798 | 1,847 | 1,852 | 1,858 | 1,883 | 1,904 | 1,920 | 1,888 | 1,885 | 1,843 | 1,797 | 1,765 | 1,676 | 1,590 | 1,547 | 1,491 | 1,440 | 1,415 | 1,360 | 1,281 | 1,233 | 1,191 | 1,121 |
| 構成比（%） | 5.5 | 5.4 | 5.3 | 5.4 | 5.5 | 5.5 | 5.6 | 5.7 | 5.8 | 5.8 | 5.8 | 5.7 | 5.6 | 5.6 | 5.4 | 5.2 | 5.1 | 5.0 | 4.9 | 4.8 | 4.7 | 4.5 | 4.4 | 4.3 | 4.1 |
| 35-39歳 | 2,215 | 2,095 | 2,071 | 1,970 | 1,880 | 1,880 | 1,862 | 1,808 | 1,832 | 1,867 | 1,858 | 1,881 | 1,890 | 1,858 | 1,808 | 1,780 | 1,754 | 1,728 | 1,702 | 1,674 | 1,586 | 1,552 | 1,473 | 1,424 | 1,379 |
| 構成比（%） | 6.4 | 6.1 | 6.0 | 5.8 | 5.5 | 5.6 | 5.6 | 5.4 | 5.5 | 5.7 | 5.7 | 5.8 | 5.9 | 5.9 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.7 | 5.5 | 5.4 | 5.3 | 5.2 | 5.1 |
| 40-44歳 | 2,674 | 2,584 | 2,453 | 2,332 | 2,305 | 2,193 | 2,081 | 2,038 | 1,958 | 1,861 | 1,846 | 1,826 | 1,766 | 1,793 | 1,789 | 1,807 | 1,821 | 1,841 | 1,848 | 1,806 | 1,774 | 1,723 | 1,687 | 1,631 | 1,606 |
| 構成比（%） | 7.7 | 7.5 | 7.2 | 6.8 | 6.8 | 6.5 | 6.2 | 6.1 | 5.9 | 5.7 | 5.7 | 5.7 | 5.5 | 5.7 | 5.8 | 5.9 | 6.0 | 6.2 | 6.2 | 6.1 | 6.1 | 6.0 | 6.0 | 5.9 | 5.9 |
| 45-49歳 | 2,475 | 2,724 | 2,776 | 2,788 | 2,696 | 2,625 | 2,515 | 2,415 | 2,269 | 2,245 | 2,137 | 2,027 | 1,992 | 1,910 | 1,814 | 1,785 | 1,739 | 1,708 | 1,746 | 1,777 | 1,811 | 1,815 | 1,876 | 1,804 | 1,758 |
| 構成比（%） | 7.2 | 7.9 | 8.1 | 8.2 | 7.9 | 7.8 | 7.5 | 7.3 | 6.9 | 6.8 | 6.6 | 6.3 | 6.2 | 6.1 | 5.9 | 5.8 | 5.8 | 5.7 | 5.9 | 6.0 | 6.3 | 6.4 | 6.7 | 6.5 | 6.5 |
| 50-54歳 | 2,324 | 2,159 | 2,137 | 2,215 | 2,328 | 2,427 | 2,666 | 2,705 | 2,750 | 2,636 | 2,598 | 2,488 | 2,361 | 2,232 | 2,179 | 2,095 | 1,985 | 1,945 | 1,870 | 1,820 | 1,757 | 1,749 | 1,677 | 1,720 | 1,737 |
| 構成比（%） | 6.7 | 6.3 | 6.2 | 6.5 | 6.9 | 7.2 | 8.0 | 8.1 | 8.3 | 8.0 | 8.0 | 7.7 | 7.4 | 7.1 | 7.0 | 6.8 | 6.6 | 6.5 | 6.3 | 6.2 | 6.1 | 6.1 | 6.0 | 6.2 | 6.4 |
| 55-59歳 | 2,433 | 2,398 | 2,326 | 2,242 | 2,218 | 2,243 | 2,098 | 2,076 | 2,152 | 2,263 | 2,339 | 2,598 | 2,666 | 2,690 | 2,602 | 2,549 | 2,425 | 2,310 | 2,162 | 2,143 | 2,083 | 2,003 | 1,920 | 1,872 | 1,808 |
| 構成比（%） | 7.0 | 7.0 | 6.8 | 6.6 | 6.5 | 6.7 | 6.3 | 6.2 | 6.5 | 6.9 | 7.2 | 8.1 | 8.4 | 8.5 | 8.4 | 8.3 | 8.0 | 7.7 | 7.3 | 7.3 | 7.2 | 7.0 | 6.8 | 6.8 | 6.7 |
| 60-64歳 | 2,616 | 2,564 | 2,554 | 2,483 | 2,464 | 2,320 | 2,285 | 2,229 | 2,168 | 2,144 | 2,188 | 2,033 | 2,007 | 2,092 | 2,195 | 2,303 | 2,561 | 2,637 | 2,646 | 2,599 | 2,484 | 2,385 | 2,311 | 2,167 | 2,091 |
| 構成比（%） | 7.6 | 7.4 | 7.5 | 7.3 | 7.3 | 6.9 | 6.8 | 6.7 | 6.6 | 6.5 | 6.7 | 6.3 | 6.3 | 6.6 | 7.1 | 7.5 | 8.5 | 8.8 | 8.9 | 8.8 | 8.6 | 8.4 | 8.2 | 7.9 | 7.7 |
| 65-69歳 | 2,421 | 2,468 | 2,484 | 2,506 | 2,448 | 2,481 | 2,441 | 2,431 | 2,368 | 2,351 | 2,205 | 2,177 | 2,137 | 2,080 | 2,065 | 2,090 | 1,946 | 1,912 | 1,999 | 2,067 | 2,189 | 2,389 | 2,518 | 2,546 | 2,475 |
| 構成比（%） | 7.0 | 7.2 | 7.3 | 7.4 | 7.2 | 7.4 | 7.3 | 7.3 | 7.2 | 7.2 | 6.8 | 6.8 | 6.7 | 6.6 | 6.7 | 6.8 | 6.4 | 6.4 | 6.8 | 7.0 | 7.6 | 8.4 | 9.0 | 9.2 | 9.1 |
| 70-74歳 | 1,767 | 1,862 | 1,970 | 2,099 | 2,178 | 2,217 | 2,246 | 2,264 | 2,312 | 2,273 | 2,302 | 2,270 | 2,260 | 2,216 | 2,207 | 2,073 | 2,025 | 1,986 | 1,927 | 1,911 | 1,962 | 1,856 | 1,811 | 1,840 | 1,938 |
| 構成比（%） | 5.1 | 5.4 | 5.8 | 6.2 | 6.4 | 6.6 | 6.7 | 6.8 | 7.0 | 6.9 | 7.1 | 7.0 | 7.1 | 7.0 | 7.1 | 6.8 | 6.7 | 6.6 | 6.5 | 6.5 | 6.8 | 6.5 | 6.5 | 6.7 | 7.2 |
| 75-79歳 | 1,257 | 1,307 | 1,301 | 1,335 | 1,431 | 1,514 | 1,610 | 1,723 | 1,819 | 1,901 | 1,950 | 1,980 | 2,015 | 2,044 | 2,028 | 2,041 | 2,018 | 2,000 | 1,979 | 2,010 | 1,871 | 1,806 | 1,774 | 1,730 | 1,705 |
| 構成比（%） | 3.6 | 3.8 | 3.8 | 3.9 | 4.2 | 4.5 | 4.8 | 5.2 | 5.5 | 5.8 | 6.0 | 6.1 | 6.3 | 6.5 | 6.5 | 6.7 | 6.7 | 6.7 | 6.7 | 6.8 | 6.5 | 6.3 | 6.3 | 6.3 | 6.3 |
| 80歳以上 | 1,332 | 1,408 | 1,492 | 1,551 | 1,587 | 1,658 | 1,741 | 1,829 | 1,922 | 2,020 | 2,155 | 2,314 | 2,464 | 2,606 | 2,733 | 2,883 | 3,014 | 3,109 | 3,223 | 3,253 | 3,391 | 3,454 | 3,496 | 3,562 | 3,595 |
| 構成比（%） | 3.8 | 4.1 | 4.4 | 4.6 | 4.7 | 4.9 | 5.2 | 5.5 | 5.8 | 6.2 | 6.6 | 7.2 | 7.7 | 8.3 | 8.8 | 9.4 | 10.0 | 10.4 | 10.9 | 11.1 | 11.7 | 12.1 | 12.5 | 12.9 | 13.3 |
人口増加都市
