Nagiso (南木曽町)

Town

Nagano (長野) — 2025 — Based on Basic Resident Register

Total Population

3,674

-91 (-2.42%)

Young (0–14)

9.1%

335

Working Age (15–64)

45.8%

1,684

Aging Rate

44.0%

1,615

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	3,674	1,776	1,898
Young (0–14)	335	173	162
Working Age (15–64)	1,684	871	813
Elderly (65+)	1,615	717	898

Year	Total Population	0–14	15–64	65+	Aging Rate
2025	3,674	335	1,684	1,615	44.0%
2024	3,765	363	1,722	1,649	43.8%
2023	3,876	382	1,784	1,677	43.3%
2022	3,970	410	1,810	1,715	43.2%
2021	4,013	413	1,852	1,722	42.9%
2020	4,092	424	1,907	1,733	42.4%
2019	4,138	438	1,937	1,741	42.1%
2018	4,229	440	1,999	1,759	41.6%
2017	4,344	468	2,069	1,773	40.8%
2016	4,410	472	2,132	1,780	40.4%
2015	4,553	484	2,257	1,783	39.2%
2014	4,663	502	2,362	1,773	38.0%
2013	4,685	491	2,400	1,767	37.7%
2012	4,737	502	2,496	1,739	36.7%
2011	4,813	519	2,529	1,765	36.7%
2010	4,932	526	2,590	1,816	36.8%
2009	4,994	537	2,633	1,824	36.5%
2008	5,054	553	2,690	1,811	35.8%
2007	5,112	559	2,719	1,834	35.9%
2006	5,257	588	2,826	1,843	35.1%
2005	5,340	619	2,858	1,863	34.9%
2004	5,395	625	2,907	1,863	34.5%
2003	5,482	673	2,951	1,858	33.9%
2002	5,648	706	3,071	1,871	33.1%
2001	5,689	709	3,113	1,867	32.8%
2000	5,714	717	3,172	1,825	31.9%
1999	5,808	745	3,247	1,816	31.3%
1998	5,893	774	3,307	1,812	30.7%
1997	5,917	798	3,347	1,772	29.9%
1996	5,995	835	3,425	1,735	28.9%
1995	6,076	890	3,507	1,679	27.6%