Naganohara (長野原町)

Town

Gunma (群馬) — 2025 — Based on Basic Resident Register

Total Population

5,082

-158 (-3.02%)

Young (0–14)

7.0%

356

Working Age (15–64)

52.1%

2,648

Aging Rate

40.9%

2,078

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	5,082	2,559	2,523
Young (0–14)	356	185	171
Working Age (15–64)	2,648	1,420	1,228
Elderly (65+)	2,078	954	1,124

Year	Total Population	0–14	15–64	65+	Aging Rate
2025	5,082	356	2,648	2,078	40.9%
2024	5,240	391	2,773	2,076	39.6%
2023	5,326	421	2,835	2,070	38.9%
2022	5,383	440	2,869	2,074	38.5%
2021	5,425	451	2,908	2,066	38.1%
2020	5,510	480	2,978	2,052	37.2%
2019	5,595	497	3,077	2,021	36.1%
2018	5,722	555	3,165	2,002	35.0%
2017	5,774	583	3,229	1,962	34.0%
2016	5,852	617	3,294	1,941	33.2%
2015	5,966	651	3,409	1,906	31.9%
2014	6,093	705	3,549	1,839	30.2%
2013	6,172	748	3,610	1,814	29.4%
2012	6,216	772	3,675	1,769	28.5%
2011	6,270	798	3,731	1,741	27.8%
2010	6,340	805	3,788	1,747	27.6%
2009	6,376	828	3,822	1,726	27.1%
2008	6,499	878	3,916	1,705	26.2%
2007	6,595	900	4,022	1,673	25.4%
2006	6,699	938	4,107	1,654	24.7%
2005	6,774	942	4,212	1,620	23.9%
2004	6,879	966	4,283	1,630	23.7%
2003	7,088	1,021	4,385	1,682	23.7%
2002	7,157	1,025	4,412	1,720	24.0%
2001	7,232	1,073	4,466	1,693	23.4%
2000	7,280	1,096	4,532	1,652	22.7%
1999	7,282	1,129	4,537	1,616	22.2%
1998	7,243	1,116	4,536	1,591	22.0%
1997	7,232	1,112	4,582	1,538	21.3%
1996	7,223	1,145	4,566	1,512	20.9%
1995	7,248	1,186	4,602	1,460	20.1%