Mihara (三原村)

Village

Kochi (高知) — 2025 — Based on Basic Resident Register

Total Population

1,355

-60 (-4.24%)

Young (0–14)

6.9%

94

Working Age (15–64)

43.5%

589

Aging Rate

48.5%

657

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	1,355	666	689
Young (0–14)	94	52	42
Working Age (15–64)	589	337	252
Elderly (65+)	657	275	382

Year	Total Population	0–14	15–64	65+	Aging Rate
2025	1,355	94	589	657	48.5%
2024	1,415	97	627	675	47.7%
2023	1,435	94	654	676	47.1%
2022	1,468	100	671	679	46.3%
2021	1,489	102	688	686	46.1%
2020	1,498	100	688	692	46.2%
2019	1,531	108	697	709	46.3%
2018	1,599	127	741	713	44.6%
2017	1,646	140	769	724	44.0%
2016	1,672	145	795	719	43.0%
2015	1,692	151	805	721	42.6%
2014	1,700	150	828	710	41.8%
2013	1,708	154	847	696	40.7%
2012	1,734	157	880	697	40.2%
2011	1,755	163	896	696	39.7%
2010	1,794	166	919	709	39.5%
2009	1,815	171	928	716	39.4%
2008	1,854	182	948	724	39.1%
2007	1,893	194	984	715	37.8%
2006	1,907	193	1,007	707	37.1%
2005	1,921	209	1,007	705	36.7%
2004	1,931	213	1,023	695	36.0%
2003	1,920	203	1,035	682	35.5%
2002	1,909	205	1,045	659	34.5%
2001	1,929	226	1,053	650	33.7%
2000	1,948	230	1,077	641	32.9%
1999	1,963	247	1,086	630	32.1%
1998	1,987	255	1,115	617	31.1%
1997	2,006	252	1,135	619	30.9%
1996	2,036	258	1,171	607	29.8%
1995	2,045	263	1,196	586	28.7%