Chosei (長生村)

Village

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

Total Population

13,269

-246 (-1.82%)

Young (0–14)

8.1%

1,069

Working Age (15–64)

55.9%

7,419

Aging Rate

36.0%

4,781

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	13,269	6,582	6,687
Young (0–14)	1,069	545	524
Working Age (15–64)	7,419	3,863	3,556
Elderly (65+)	4,781	2,174	2,607

Year	Total Population	0–14	15–64	65+	Aging Rate
2025	13,269	1,069	7,419	4,781	36.0%
2024	13,515	1,146	7,591	4,778	35.4%
2023	13,738	1,218	7,715	4,805	35.0%
2022	13,874	1,266	7,808	4,800	34.6%
2021	14,028	1,305	7,894	4,829	34.4%
2020	14,133	1,362	7,968	4,803	34.0%
2019	14,412	1,417	8,213	4,782	33.2%
2018	14,471	1,476	8,280	4,715	32.6%
2017	14,646	1,551	8,438	4,657	31.8%
2016	14,705	1,616	8,508	4,581	31.2%
2015	14,763	1,671	8,662	4,430	30.0%
2014	14,851	1,696	8,916	4,239	28.5%
2013	14,934	1,766	9,040	4,128	27.6%
2012	14,900	1,797	9,154	3,949	26.5%
2011	14,876	1,824	9,255	3,797	25.5%
2010	14,930	1,882	9,277	3,771	25.3%
2009	14,974	1,920	9,416	3,638	24.3%
2008	15,020	1,934	9,526	3,560	23.7%
2007	14,996	1,978	9,554	3,464	23.1%
2006	14,960	2,000	9,614	3,346	22.4%
2005	14,848	2,021	9,567	3,260	22.0%
2004	14,888	2,056	9,655	3,177	21.3%
2003	14,778	2,077	9,598	3,103	21.0%
2002	14,595	2,082	9,552	2,961	20.3%
2001	14,446	2,112	9,457	2,877	19.9%
2000	14,313	2,125	9,449	2,739	19.1%
1999	14,186	2,141	9,412	2,633	18.6%
1998	14,090	2,161	9,340	2,589	18.4%
1997	13,873	2,174	9,215	2,484	17.9%
1996	13,607	2,181	9,036	2,390	17.6%
1995	13,092	2,064	8,707	2,321	17.7%