Oguchi (大口町)

Town

Aichi (愛知) — 2025 — Based on Basic Resident Register

Total Population

24,004

-208 (-0.86%)

Young (0–14)

14.1%

3,384

Working Age (15–64)

62.5%

14,999

Aging Rate

23.4%

5,621

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	24,004	12,145	11,859
Young (0–14)	3,384	1,742	1,642
Working Age (15–64)	14,999	7,903	7,096
Elderly (65+)	5,621	2,500	3,121

Year	Total Population	0–14	15–64	65+	Aging Rate
2025	24,004	3,384	14,999	5,621	23.4%
2024	24,212	3,481	15,118	5,613	23.2%
2023	24,234	3,581	15,049	5,604	23.1%
2022	24,282	3,670	15,026	5,586	23.0%
2021	24,322	3,727	15,006	5,589	23.0%
2020	24,217	3,715	15,005	5,497	22.7%
2019	24,120	3,724	14,974	5,422	22.5%
2018	23,966	3,720	14,882	5,364	22.4%
2017	23,725	3,682	14,777	5,266	22.2%
2016	23,422	3,622	14,662	5,138	21.9%
2015	23,154	3,564	14,603	4,987	21.5%
2014	22,913	3,567	14,564	4,782	20.9%
2013	22,811	3,618	14,566	4,627	20.3%
2012	22,229	3,625	14,208	4,396	19.8%
2011	22,126	3,673	14,193	4,260	19.3%
2010	22,108	3,678	14,270	4,160	18.8%
2009	22,018	3,721	14,256	4,041	18.4%
2008	21,713	3,691	14,171	3,851	17.7%
2007	21,588	3,680	14,220	3,688	17.1%
2006	21,275	3,629	14,171	3,475	16.3%
2005	21,246	3,620	14,339	3,287	15.5%
2004	21,211	3,610	14,441	3,160	14.9%
2003	21,107	3,580	14,510	3,017	14.3%
2002	20,924	3,511	14,532	2,881	13.8%
2001	20,633	3,460	14,406	2,767	13.4%
2000	20,495	3,449	14,410	2,636	12.9%
1999	20,162	3,343	14,312	2,507	12.4%
1998	19,794	3,299	14,056	2,439	12.3%
1997	19,265	3,225	13,744	2,296	11.9%
1996	18,942	3,189	13,562	2,191	11.6%
1995	18,831	3,226	13,590	2,015	10.7%