大分県国東市| 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 | 1,556 | 1,536 | 1,511 | 1,481 | 1,463 | 1,426 | 1,376 | 1,305 | 1,268 | 1,225 | 1,163 | 1,129 | 1,072 | 1,063 | 1,055 | 1,011 | 953 | 960 | 933 | 878 | 838 | 814 | 797 | 737 | 717 |
| 構成比（%） | 4.1 | 4.1 | 4.1 | 4.0 | 4.0 | 3.9 | 3.8 | 3.6 | 3.6 | 3.5 | 3.3 | 3.3 | 3.1 | 3.1 | 3.1 | 3.1 | 2.9 | 3.0 | 3.0 | 2.8 | 2.8 | 2.7 | 2.7 | 2.6 | 2.5 |
| 5-9歳 | 1,737 | 1,692 | 1,679 | 1,621 | 1,593 | 1,598 | 1,568 | 1,532 | 1,531 | 1,495 | 1,474 | 1,400 | 1,334 | 1,254 | 1,183 | 1,134 | 1,090 | 1,030 | 1,016 | 1,019 | 991 | 934 | 951 | 938 | 872 |
| 構成比（%） | 4.6 | 4.5 | 4.5 | 4.4 | 4.4 | 4.4 | 4.3 | 4.3 | 4.3 | 4.2 | 4.2 | 4.0 | 3.9 | 3.7 | 3.5 | 3.4 | 3.4 | 3.2 | 3.2 | 3.3 | 3.3 | 3.1 | 3.2 | 3.3 | 3.1 |
| 10-14歳 | 2,016 | 1,946 | 1,945 | 1,915 | 1,843 | 1,761 | 1,709 | 1,692 | 1,604 | 1,580 | 1,575 | 1,552 | 1,529 | 1,534 | 1,498 | 1,452 | 1,394 | 1,321 | 1,233 | 1,201 | 1,132 | 1,068 | 1,008 | 975 | 970 |
| 構成比（%） | 5.4 | 5.2 | 5.3 | 5.2 | 5.0 | 4.8 | 4.7 | 4.7 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.4 | 4.3 | 4.2 | 3.9 | 3.9 | 3.7 | 3.6 | 3.4 | 3.4 | 3.4 |
| 15-19歳 | 2,288 | 2,187 | 2,090 | 2,015 | 1,972 | 1,908 | 1,852 | 1,848 | 1,825 | 1,760 | 1,699 | 1,666 | 1,593 | 1,545 | 1,527 | 1,515 | 1,501 | 1,444 | 1,466 | 1,449 | 1,394 | 1,375 | 1,282 | 1,201 | 1,150 |
| 構成比（%） | 6.1 | 5.9 | 5.6 | 5.5 | 5.4 | 5.2 | 5.1 | 5.2 | 5.1 | 5.0 | 4.9 | 4.8 | 4.7 | 4.5 | 4.6 | 4.6 | 4.6 | 4.5 | 4.7 | 4.7 | 4.6 | 4.6 | 4.4 | 4.2 | 4.1 |
| 20-24歳 | 1,839 | 1,878 | 1,845 | 1,837 | 1,749 | 1,768 | 1,733 | 1,679 | 1,651 | 1,651 | 1,629 | 1,618 | 1,639 | 1,554 | 1,524 | 1,480 | 1,379 | 1,320 | 1,277 | 1,251 | 1,211 | 1,159 | 1,183 | 1,174 | 1,173 |
| 構成比（%） | 4.9 | 5.0 | 5.0 | 5.0 | 4.8 | 4.9 | 4.8 | 4.7 | 4.6 | 4.7 | 4.7 | 4.7 | 4.8 | 4.6 | 4.5 | 4.5 | 4.3 | 4.2 | 4.1 | 4.0 | 4.0 | 3.9 | 4.0 | 4.1 | 4.2 |
| 25-29歳 | 1,645 | 1,601 | 1,660 | 1,658 | 1,676 | 1,680 | 1,736 | 1,721 | 1,697 | 1,702 | 1,694 | 1,646 | 1,493 | 1,509 | 1,470 | 1,401 | 1,349 | 1,300 | 1,238 | 1,163 | 1,128 | 1,059 | 1,053 | 1,014 | 945 |
| 構成比（%） | 4.4 | 4.3 | 4.5 | 4.5 | 4.6 | 4.6 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.7 | 4.4 | 4.4 | 4.4 | 4.2 | 4.2 | 4.1 | 3.9 | 3.8 | 3.7 | 3.6 | 3.6 | 3.5 | 3.4 |
| 30-34歳 | 1,644 | 1,652 | 1,594 | 1,632 | 1,642 | 1,640 | 1,620 | 1,643 | 1,608 | 1,622 | 1,683 | 1,720 | 1,722 | 1,701 | 1,608 | 1,566 | 1,446 | 1,364 | 1,377 | 1,336 | 1,238 | 1,203 | 1,170 | 1,102 | 1,029 |
| 構成比（%） | 4.4 | 4.4 | 4.3 | 4.4 | 4.5 | 4.5 | 4.5 | 4.6 | 4.5 | 4.6 | 4.8 | 5.0 | 5.0 | 5.0 | 4.8 | 4.7 | 4.5 | 4.3 | 4.4 | 4.3 | 4.1 | 4.0 | 4.0 | 3.8 | 3.7 |
| 35-39歳 | 1,963 | 1,871 | 1,868 | 1,816 | 1,769 | 1,688 | 1,693 | 1,598 | 1,645 | 1,636 | 1,585 | 1,565 | 1,623 | 1,610 | 1,622 | 1,608 | 1,607 | 1,581 | 1,567 | 1,526 | 1,490 | 1,387 | 1,314 | 1,246 | 1,203 |
| 構成比（%） | 5.2 | 5.0 | 5.0 | 4.9 | 4.8 | 4.6 | 4.7 | 4.5 | 4.6 | 4.6 | 4.5 | 4.5 | 4.7 | 4.7 | 4.8 | 4.9 | 5.0 | 5.0 | 5.0 | 4.9 | 4.9 | 4.7 | 4.5 | 4.3 | 4.3 |
| 40-44歳 | 2,264 | 2,155 | 2,082 | 2,025 | 2,009 | 1,998 | 1,937 | 1,905 | 1,856 | 1,793 | 1,696 | 1,686 | 1,585 | 1,638 | 1,623 | 1,593 | 1,562 | 1,602 | 1,587 | 1,577 | 1,557 | 1,565 | 1,555 | 1,553 | 1,494 |
| 構成比（%） | 6.0 | 5.8 | 5.6 | 5.5 | 5.5 | 5.5 | 5.4 | 5.3 | 5.2 | 5.1 | 4.8 | 4.9 | 4.6 | 4.8 | 4.8 | 4.8 | 4.8 | 5.0 | 5.1 | 5.1 | 5.1 | 5.3 | 5.3 | 5.4 | 5.3 |
| 45-49歳 | 2,467 | 2,645 | 2,654 | 2,580 | 2,411 | 2,287 | 2,172 | 2,083 | 2,017 | 2,005 | 2,013 | 1,935 | 1,912 | 1,845 | 1,782 | 1,667 | 1,660 | 1,548 | 1,586 | 1,559 | 1,564 | 1,515 | 1,611 | 1,552 | 1,537 |
| 構成比（%） | 6.6 | 7.1 | 7.2 | 7.0 | 6.6 | 6.3 | 6.0 | 5.8 | 5.7 | 5.7 | 5.8 | 5.6 | 5.6 | 5.4 | 5.3 | 5.0 | 5.1 | 4.9 | 5.1 | 5.0 | 5.1 | 5.1 | 5.5 | 5.4 | 5.5 |
| 50-54歳 | 2,190 | 2,016 | 1,999 | 2,117 | 2,296 | 2,458 | 2,677 | 2,715 | 2,626 | 2,445 | 2,300 | 2,177 | 2,076 | 2,012 | 2,000 | 2,025 | 1,928 | 1,892 | 1,824 | 1,810 | 1,683 | 1,679 | 1,522 | 1,548 | 1,533 |
| 構成比（%） | 5.8 | 5.4 | 5.4 | 5.8 | 6.3 | 6.8 | 7.4 | 7.6 | 7.4 | 6.9 | 6.6 | 6.3 | 6.1 | 5.9 | 6.0 | 6.1 | 6.0 | 6.0 | 5.8 | 5.8 | 5.5 | 5.6 | 5.2 | 5.4 | 5.4 |
| 55-59歳 | 2,582 | 2,491 | 2,404 | 2,216 | 2,265 | 2,243 | 2,054 | 2,044 | 2,176 | 2,348 | 2,498 | 2,750 | 2,741 | 2,650 | 2,459 | 2,327 | 2,226 | 2,142 | 2,054 | 2,017 | 2,041 | 1,975 | 1,926 | 1,877 | 1,824 |
| 構成比（%） | 6.9 | 6.7 | 6.5 | 6.0 | 6.2 | 6.2 | 5.7 | 5.7 | 6.1 | 6.7 | 7.1 | 7.9 | 8.0 | 7.8 | 7.3 | 7.0 | 6.9 | 6.7 | 6.6 | 6.5 | 6.7 | 6.6 | 6.6 | 6.5 | 6.5 |
| 60-64歳 | 3,191 | 3,042 | 2,956 | 2,925 | 2,734 | 2,603 | 2,527 | 2,446 | 2,270 | 2,313 | 2,289 | 2,094 | 2,092 | 2,229 | 2,431 | 2,592 | 2,800 | 2,784 | 2,678 | 2,555 | 2,437 | 2,293 | 2,200 | 2,115 | 2,055 |
| 構成比（%） | 8.5 | 8.2 | 8.0 | 8.0 | 7.5 | 7.2 | 7.0 | 6.8 | 6.4 | 6.6 | 6.5 | 6.0 | 6.1 | 6.6 | 7.2 | 7.8 | 8.6 | 8.8 | 8.5 | 8.2 | 8.0 | 7.7 | 7.5 | 7.4 | 7.3 |
| 65-69歳 | 3,398 | 3,395 | 3,386 | 3,287 | 3,202 | 3,083 | 2,969 | 2,903 | 2,881 | 2,681 | 2,530 | 2,469 | 2,404 | 2,252 | 2,294 | 2,268 | 2,075 | 2,094 | 2,226 | 2,376 | 2,523 | 2,744 | 2,837 | 2,708 | 2,560 |
| 構成比（%） | 9.0 | 9.1 | 9.1 | 8.9 | 8.8 | 8.5 | 8.2 | 8.1 | 8.1 | 7.6 | 7.2 | 7.1 | 7.0 | 6.6 | 6.8 | 6.8 | 6.4 | 6.6 | 7.1 | 7.7 | 8.3 | 9.2 | 9.7 | 9.4 | 9.1 |
| 70-74歳 | 2,545 | 2,720 | 2,788 | 2,955 | 3,067 | 3,158 | 3,178 | 3,176 | 3,105 | 3,015 | 2,908 | 2,811 | 2,750 | 2,741 | 2,545 | 2,431 | 2,373 | 2,293 | 2,152 | 2,201 | 2,237 | 2,077 | 1,979 | 2,128 | 2,277 |
| 構成比（%） | 6.8 | 7.3 | 7.5 | 8.0 | 8.4 | 8.7 | 8.8 | 8.9 | 8.7 | 8.5 | 8.3 | 8.1 | 8.0 | 8.1 | 7.6 | 7.3 | 7.3 | 7.2 | 6.9 | 7.1 | 7.4 | 7.0 | 6.7 | 7.4 | 8.1 |
| 75-79歳 | 1,783 | 1,796 | 1,925 | 1,997 | 2,130 | 2,284 | 2,422 | 2,479 | 2,621 | 2,718 | 2,782 | 2,827 | 2,853 | 2,790 | 2,730 | 2,648 | 2,560 | 2,519 | 2,500 | 2,369 | 2,205 | 2,163 | 2,128 | 2,029 | 2,012 |
| 構成比（%） | 4.7 | 4.8 | 5.2 | 5.4 | 5.8 | 6.3 | 6.7 | 6.9 | 7.4 | 7.7 | 8.0 | 8.1 | 8.3 | 8.2 | 8.1 | 8.0 | 7.9 | 7.9 | 8.0 | 7.6 | 7.3 | 7.3 | 7.3 | 7.1 | 7.1 |
| 80歳以上 | 2,528 | 2,590 | 2,621 | 2,703 | 2,723 | 2,780 | 2,876 | 3,024 | 3,154 | 3,279 | 3,466 | 3,681 | 3,834 | 4,043 | 4,182 | 4,395 | 4,494 | 4,548 | 4,634 | 4,707 | 4,744 | 4,775 | 4,814 | 4,839 | 4,825 |
| 構成比（%） | 6.7 | 7.0 | 7.1 | 7.3 | 7.5 | 7.6 | 8.0 | 8.4 | 8.9 | 9.3 | 9.9 | 10.6 | 11.2 | 11.9 | 12.5 | 13.3 | 13.9 | 14.3 | 14.8 | 15.2 | 15.6 | 16.0 | 16.4 | 16.8 | 17.1 |
人口増加都市
