Morioka (盛岡市)

Core City

Iwate (岩手) — 2025 — Based on Basic Resident Register

Total Population

277,423

-2,863 (-1.02%)

Young (0–14)

11.1%

30,931

Working Age (15–64)

59.3%

164,523

Aging Rate

29.5%

81,969

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	277,423	131,015	146,408
Young (0–14)	30,931	15,636	15,295
Working Age (15–64)	164,523	81,299	83,224
Elderly (65+)	81,969	34,080	47,889

Year	Total Population	0–14	15–64	65+	Aging Rate
2025	277,423	30,931	164,523	81,969	29.5%
2024	280,286	32,088	166,492	81,706	29.2%
2023	282,960	33,075	168,677	81,208	28.7%
2022	285,270	34,044	170,489	80,737	28.3%
2021	286,820	34,736	172,108	79,976	27.9%
2020	288,470	35,437	174,174	78,859	27.3%
2019	290,136	36,167	176,241	77,728	26.8%
2018	291,859	36,967	178,365	76,527	26.2%
2017	292,795	37,280	180,434	75,081	25.6%
2016	294,106	38,010	182,590	73,506	25.0%
2015	295,170	38,565	185,055	71,550	24.2%
2014	295,680	39,109	187,464	69,107	23.4%
2013	294,435	39,150	187,840	67,445	22.9%
2012	292,780	39,194	188,787	64,799	22.1%
2011	291,880	39,291	189,566	63,023	21.6%
2010	291,709	39,447	189,875	62,387	21.4%
2009	292,035	39,931	190,897	61,207	21.0%
2008	292,834	40,444	193,014	59,376	20.3%
2007	293,537	41,078	194,541	57,918	19.7%
2006	294,158	41,595	196,451	56,112	19.1%
2005	280,972	40,609	189,318	51,045	18.2%
2004	281,515	41,206	190,443	49,866	17.7%
2003	281,245	41,799	190,976	48,470	17.2%
2002	281,182	42,509	191,694	46,979	16.7%
2001	281,861	43,438	192,975	45,448	16.1%
2000	282,510	44,548	194,212	43,750	15.5%
1999	282,783	45,686	194,942	42,155	14.9%
1998	282,519	46,910	195,079	40,530	14.3%
1997	281,922	47,908	195,455	38,559	13.7%
1996	281,712	49,007	195,759	36,946	13.1%
1995	281,163	50,205	195,849	35,109	12.5%