Kokonoe (九重町)

Town

Oita (大分) — 2025 — Based on Basic Resident Register

Total Population

8,302

-221 (-2.59%)

Young (0–14)

9.2%

766

Working Age (15–64)

45.5%

3,776

Aging Rate

45.3%

3,760

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	8,302	3,975	4,327
Young (0–14)	766	386	380
Working Age (15–64)	3,776	1,944	1,832
Elderly (65+)	3,760	1,645	2,115

Year	Total Population	0–14	15–64	65+	Aging Rate
2025	8,302	766	3,776	3,760	45.3%
2024	8,523	789	3,932	3,802	44.6%
2023	8,729	848	4,022	3,859	44.2%
2022	8,916	890	4,078	3,948	44.3%
2021	9,122	916	4,254	3,952	43.3%
2020	9,342	956	4,397	3,989	42.7%
2019	9,530	1,002	4,549	3,979	41.8%
2018	9,718	1,031	4,699	3,988	41.0%
2017	9,907	1,037	4,899	3,971	40.1%
2016	10,099	1,061	5,074	3,921	38.8%
2015	10,279	1,070	5,278	3,884	37.8%
2014	10,412	1,061	5,522	3,829	36.8%
2013	10,534	1,071	5,596	3,824	36.3%
2012	10,621	1,102	5,760	3,759	35.4%
2011	10,801	1,132	5,916	3,753	34.7%
2010	11,002	1,191	5,973	3,838	34.9%
2009	11,136	1,237	6,048	3,851	34.6%
2008	11,281	1,262	6,189	3,830	34.0%
2007	11,397	1,279	6,315	3,803	33.4%
2006	11,545	1,327	6,443	3,775	32.7%
2005	11,660	1,366	6,560	3,734	32.0%
2004	11,780	1,400	6,670	3,710	31.5%
2003	11,891	1,475	6,718	3,698	31.1%
2002	11,922	1,490	6,806	3,626	30.4%
2001	12,086	1,572	6,925	3,589	29.7%
2000	12,196	1,640	7,055	3,501	28.7%
1999	12,321	1,699	7,216	3,406	27.6%
1998	12,427	1,782	7,350	3,295	26.5%
1997	12,559	1,835	7,531	3,193	25.4%
1996	12,654	1,890	7,661	3,103	24.5%
1995	12,824	1,981	7,842	3,001	23.4%