Oshu (奥州市)

City

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

Total Population

107,798

-1,949 (-1.78%)

Young (0–14)

10.1%

10,883

Working Age (15–64)

53.2%

57,373

Aging Rate

36.7%

39,542

Population Trends (2006–2025)

* Data before 2012 includes Japanese residents only (foreign residents were added to the Basic Resident Register in July 2012)

Category	Total	Male	Female
Total	107,798	52,616	55,182
Young (0–14)	10,883	5,584	5,299
Working Age (15–64)	57,373	29,970	27,403
Elderly (65+)	39,542	17,062	22,480

Year	Total Population	0–14	15–64	65+	Aging Rate
2025	107,798	10,883	57,373	39,542	36.7%
2024	109,747	11,360	58,594	39,793	36.3%
2023	111,632	11,892	59,757	39,983	35.8%
2022	113,162	12,284	60,722	40,156	35.5%
2021	114,644	12,673	61,927	40,044	34.9%
2020	116,082	13,001	63,214	39,867	34.3%
2019	117,360	13,423	64,324	39,613	33.8%
2018	118,852	13,766	65,791	39,295	33.1%
2017	120,099	14,135	67,186	38,778	32.3%
2016	121,282	14,489	68,396	38,397	31.7%
2015	122,421	14,558	69,481	38,382	31.4%
2014	123,737	14,974	70,942	37,821	30.6%
2013	124,235	15,487	71,981	36,767	29.6%
2012	124,812	15,756	72,940	36,116	28.9%
2011	125,900	16,014	74,042	35,844	28.5%
2010	127,020	16,398	74,515	36,107	28.4%
2009	128,106	16,843	75,343	35,920	28.0%
2008	129,070	17,138	76,334	35,598	27.6%
2007	130,108	17,499	77,243	35,366	27.2%
2006	130,696	17,830	78,029	34,837	26.7%