Iwaizumi (岩泉町)

Town

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

Total Population

7,843

-195 (-2.43%)

Young (0–14)

7.5%

591

Working Age (15–64)

45.2%

3,543

Aging Rate

47.3%

3,709

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	7,843	3,864	3,979
Young (0–14)	591	302	289
Working Age (15–64)	3,543	1,918	1,625
Elderly (65+)	3,709	1,644	2,065

Year	Total Population	0–14	15–64	65+	Aging Rate
2025	7,843	591	3,543	3,709	47.3%
2024	8,038	617	3,683	3,738	46.5%
2023	8,310	644	3,854	3,812	45.9%
2022	8,591	705	3,990	3,896	45.3%
2021	8,870	732	4,220	3,918	44.2%
2020	9,158	793	4,384	3,981	43.5%
2019	9,407	820	4,531	3,999	42.5%
2018	9,613	850	4,768	3,995	41.6%
2017	9,842	913	4,934	3,995	40.6%
2016	10,069	947	5,025	4,052	40.2%
2015	10,277	988	5,175	4,074	39.6%
2014	10,555	1,010	5,439	4,069	38.6%
2013	10,690	1,022	5,564	4,067	38.0%
2012	10,867	1,072	5,735	4,060	37.4%
2011	11,080	1,084	5,859	4,137	37.3%
2010	11,318	1,131	5,956	4,231	37.4%
2009	11,489	1,184	6,083	4,222	36.7%
2008	11,748	1,242	6,302	4,204	35.8%
2007	12,019	1,283	6,527	4,209	35.0%
2006	12,302	1,365	6,765	4,172	33.9%
2005	12,569	1,431	6,988	4,150	33.0%
2004	12,777	1,518	7,138	4,121	32.3%
2003	12,997	1,558	7,391	4,048	31.1%
2002	13,200	1,631	7,601	3,968	30.1%
2001	13,360	1,710	7,764	3,886	29.1%
2000	13,480	1,792	7,915	3,773	28.0%
1999	13,666	1,893	8,109	3,664	26.8%
1998	13,957	2,012	8,371	3,574	25.6%
1997	14,259	2,129	8,660	3,470	24.3%
1996	14,506	2,234	8,941	3,331	23.0%
1995	14,703	2,300	9,185	3,218	21.9%