Achi (阿智村)

Village

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

Total Population

5,941

-48 (-0.80%)

Young (0–14)

12.0%

713

Working Age (15–64)

51.0%

3,031

Aging Rate

37.0%

2,197

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	5,941	2,901	3,040
Young (0–14)	713	385	328
Working Age (15–64)	3,031	1,543	1,488
Elderly (65+)	2,197	973	1,224

Year	Total Population	0–14	15–64	65+	Aging Rate
2025	5,941	713	3,031	2,197	37.0%
2024	5,989	736	3,057	2,196	36.7%
2023	6,055	759	3,086	2,210	36.5%
2022	6,150	781	3,166	2,203	35.8%
2021	6,233	793	3,233	2,207	35.4%
2020	6,359	822	3,340	2,197	34.5%
2019	6,442	831	3,428	2,183	33.9%
2018	6,576	866	3,506	2,204	33.5%
2017	6,639	874	3,561	2,204	33.2%
2016	6,682	899	3,609	2,174	32.5%
2015	6,790	905	3,715	2,170	32.0%
2014	6,864	923	3,826	2,115	30.8%
2013	6,938	939	3,909	2,090	30.1%
2012	6,828	910	3,889	2,029	29.7%
2011	6,924	944	3,922	2,058	29.7%
2010	6,962	930	3,921	2,111	30.3%
2009	7,072	968	3,997	2,107	29.8%
2008	6,472	926	3,679	1,867	28.8%
2007	6,502	937	3,691	1,874	28.8%
2006	6,630	968	3,783	1,879	28.3%
2005	5,945	892	3,407	1,646	27.7%
2004	6,031	923	3,450	1,658	27.5%
2003	6,046	943	3,439	1,664	27.5%
2002	6,051	939	3,455	1,657	27.4%
2001	6,100	967	3,466	1,667	27.3%
2000	6,105	983	3,499	1,623	26.6%
1999	6,115	988	3,516	1,611	26.3%
1998	6,137	1,003	3,546	1,588	25.9%
1997	6,162	1,016	3,587	1,559	25.3%
1996	6,173	1,043	3,614	1,516	24.6%
1995	6,210	1,091	3,649	1,470	23.7%