Kozaki (神崎町)

Town

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

Total Population

5,634

-45 (-0.79%)

Young (0–14)

8.7%

492

Working Age (15–64)

55.2%

3,110

Aging Rate

36.1%

2,032

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	5,634	2,861	2,773
Young (0–14)	492	245	247
Working Age (15–64)	3,110	1,689	1,421
Elderly (65+)	2,032	927	1,105

Year	Total Population	0–14	15–64	65+	Aging Rate
2025	5,634	492	3,110	2,032	36.1%
2024	5,679	484	3,141	2,054	36.2%
2023	5,761	494	3,222	2,045	35.5%
2022	5,806	497	3,259	2,050	35.3%
2021	5,889	519	3,327	2,043	34.7%
2020	6,024	534	3,437	2,053	34.1%
2019	6,123	566	3,508	2,049	33.5%
2018	6,214	589	3,594	2,031	32.7%
2017	6,256	592	3,681	1,983	31.7%
2016	6,321	625	3,742	1,954	30.9%
2015	6,384	652	3,813	1,919	30.1%
2014	6,500	693	3,912	1,895	29.2%
2013	6,525	701	3,970	1,854	28.4%
2012	6,522	740	3,987	1,795	27.5%
2011	6,567	762	4,016	1,789	27.2%
2010	6,597	775	4,037	1,785	27.1%
2009	6,656	816	4,094	1,746	26.2%
2008	6,692	832	4,168	1,692	25.3%
2007	6,752	873	4,210	1,669	24.7%
2006	6,761	899	4,231	1,631	24.1%
2005	6,743	933	4,239	1,571	23.3%
2004	6,785	936	4,303	1,546	22.8%
2003	6,768	977	4,294	1,497	22.1%
2002	6,800	1,006	4,349	1,445	21.3%
2001	6,818	1,034	4,385	1,399	20.5%
2000	6,817	1,040	4,427	1,350	19.8%
1999	6,831	1,047	4,445	1,339	19.6%
1998	6,774	1,056	4,416	1,302	19.2%
1997	6,613	1,031	4,329	1,253	18.9%
1996	6,324	963	4,171	1,190	18.8%
1995	6,049	913	4,005	1,131	18.7%