opengov.jp

Mobara (茂原市)

City

Chiba (千葉) — 2025 — Based on Basic Resident Register

Total Population

85,861

-752 (-0.87%)

Young (0–14)

9.2%

7,900

Working Age (15–64)

56.2%

48,251

Aging Rate

34.6%

29,710

Population Trends (1995–2025)

* Data before 2012 includes Japanese residents only (foreign residents were added to the Basic Resident Register in July 2012)

Breakdown by Sex (2025)

Category Total Male Female
Total 85,861 42,487 43,374
Young (0–14) 7,900 4,048 3,852
Working Age (15–64) 48,251 25,035 23,216
Elderly (65+) 29,710 13,404 16,306

Annual Trends

Year Total Population 0–14 15–64 65+ Aging Rate
2025 85,861 7,900 48,251 29,710
34.6%
2024 86,613 8,170 48,771 29,672
34.3%
2023 87,358 8,479 49,356 29,523
33.8%
2022 87,814 8,659 49,680 29,475
33.6%
2021 88,280 8,900 50,052 29,328
33.2%
2020 89,128 9,177 50,939 29,012
32.6%
2019 89,751 9,428 51,645 28,678
32.0%
2018 90,481 9,670 52,490 28,321
31.3%
2017 90,949 9,941 53,185 27,823
30.6%
2016 91,358 10,125 54,097 27,136
29.7%
2015 91,855 10,358 55,306 26,191
28.5%
2014 92,478 10,589 56,744 25,145
27.2%
2013 92,569 10,733 57,481 24,355
26.3%
2012 92,129 10,952 57,982 23,195
25.2%
2011 93,139 11,210 59,594 22,335
24.0%
2010 93,554 11,532 60,031 21,991
23.5%
2009 94,001 11,787 60,872 21,342
22.7%
2008 94,230 11,988 61,690 20,552
21.8%
2007 94,258 12,219 62,211 19,828
21.0%
2006 94,328 12,507 62,887 18,934
20.1%
2005 94,749 12,768 63,823 18,158
19.2%
2004 94,964 13,076 64,400 17,488
18.4%
2003 95,061 13,391 64,759 16,911
17.8%
2002 95,091 13,769 65,032 16,290
17.1%
2001 95,069 14,005 65,369 15,695
16.5%
2000 94,816 14,349 65,408 15,059
15.9%
1999 94,369 14,678 65,213 14,478
15.3%
1998 93,857 14,897 65,029 13,931
14.8%
1997 93,319 15,126 64,886 13,307
14.3%
1996 92,794 15,292 64,779 12,723
13.7%
1995 91,855 15,327 64,430 12,098
13.2%