Okuwa (大桑村)

Village

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

Total Population

3,206

-116 (-3.49%)

Young (0–14)

8.2%

263

Working Age (15–64)

47.3%

1,518

Aging Rate

44.4%

1,425

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	3,206	1,581	1,625
Young (0–14)	263	128	135
Working Age (15–64)	1,518	813	705
Elderly (65+)	1,425	640	785

Year	Total Population	0–14	15–64	65+	Aging Rate
2025	3,206	263	1,518	1,425	44.4%
2024	3,322	287	1,584	1,451	43.7%
2023	3,396	279	1,634	1,483	43.7%
2022	3,487	281	1,692	1,514	43.4%
2021	3,569	283	1,748	1,538	43.1%
2020	3,636	301	1,781	1,554	42.7%
2019	3,735	316	1,848	1,571	42.1%
2018	3,846	337	1,923	1,586	41.2%
2017	3,896	344	1,966	1,586	40.7%
2016	3,979	378	1,973	1,581	39.7%
2015	4,026	395	2,035	1,565	38.9%
2014	4,116	416	2,126	1,543	37.5%
2013	4,148	431	2,158	1,527	36.8%
2012	4,181	469	2,210	1,502	35.9%
2011	4,219	467	2,235	1,517	36.0%
2010	4,270	487	2,256	1,527	35.8%
2009	4,336	508	2,288	1,540	35.5%
2008	4,392	520	2,332	1,540	35.1%
2007	4,489	553	2,389	1,547	34.5%
2006	4,506	562	2,430	1,514	33.6%
2005	4,589	583	2,492	1,514	33.0%
2004	4,641	600	2,539	1,502	32.4%
2003	4,696	605	2,605	1,486	31.6%
2002	4,776	634	2,689	1,453	30.4%
2001	4,849	661	2,757	1,431	29.5%
2000	4,869	673	2,780	1,416	29.1%
1999	4,934	690	2,866	1,378	27.9%
1998	4,974	728	2,895	1,351	27.2%
1997	5,050	738	2,994	1,318	26.1%
1996	5,123	765	3,086	1,272	24.8%
1995	5,110	756	3,118	1,236	24.2%