Otaki (大多喜町)

Town

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

Total Population

8,005

-159 (-1.95%)

Young (0–14)

8.2%

653

Working Age (15–64)

47.5%

3,799

Aging Rate

44.4%

3,553

Population Trends (1995–2025)

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

Category	Total	Male	Female
Total	8,005	3,958	4,047
Young (0–14)	653	318	335
Working Age (15–64)	3,799	2,001	1,798
Elderly (65+)	3,553	1,639	1,914

Year	Total Population	0–14	15–64	65+	Aging Rate
2025	8,005	653	3,799	3,553	44.4%
2024	8,164	682	3,868	3,614	44.3%
2023	8,365	719	4,036	3,610	43.2%
2022	8,544	729	4,157	3,658	42.8%
2021	8,745	758	4,308	3,679	42.1%
2020	8,980	751	4,508	3,721	41.4%
2019	9,161	782	4,660	3,719	40.6%
2018	9,385	817	4,824	3,744	39.9%
2017	9,561	836	5,007	3,718	38.9%
2016	9,747	865	5,210	3,672	37.7%
2015	9,992	915	5,456	3,621	36.2%
2014	10,206	966	5,683	3,557	34.9%
2013	10,335	988	5,830	3,517	34.0%
2012	10,438	1,037	5,963	3,438	32.9%
2011	10,596	1,078	6,082	3,436	32.4%
2010	10,742	1,122	6,153	3,467	32.3%
2009	10,901	1,146	6,279	3,476	31.9%
2008	11,015	1,175	6,385	3,455	31.4%
2007	11,161	1,215	6,515	3,431	30.7%
2006	11,300	1,259	6,634	3,407	30.2%
2005	11,504	1,319	6,751	3,434	29.9%
2004	11,655	1,347	6,886	3,422	29.4%
2003	11,783	1,396	6,957	3,430	29.1%
2002	11,908	1,433	7,069	3,406	28.6%
2001	12,065	1,518	7,195	3,352	27.8%
2000	12,147	1,558	7,279	3,310	27.2%
1999	12,229	1,622	7,329	3,278	26.8%
1998	12,353	1,699	7,395	3,259	26.4%
1997	12,487	1,755	7,539	3,193	25.6%
1996	12,544	1,829	7,600	3,115	24.8%
1995	12,748	1,896	7,775	3,077	24.1%