Nishiwaga (西和賀町)

Town

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

Total Population

4,659

-181 (-3.74%)

Young (0–14)

5.7%

267

Working Age (15–64)

39.3%

1,829

Aging Rate

54.1%

2,522

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	4,659	2,199	2,460
Young (0–14)	267	150	117
Working Age (15–64)	1,829	971	858
Elderly (65+)	2,522	1,060	1,462

Year	Total Population	0–14	15–64	65+	Aging Rate
2025	4,659	267	1,829	2,522	54.1%
2024	4,840	304	1,949	2,550	52.7%
2023	5,022	320	2,085	2,581	51.4%
2022	5,219	335	2,203	2,644	50.7%
2021	5,364	359	2,292	2,687	50.1%
2020	5,537	385	2,396	2,730	49.3%
2019	5,681	411	2,530	2,723	47.9%
2018	5,839	430	2,645	2,750	47.1%
2017	5,992	446	2,782	2,751	45.9%
2016	6,110	453	2,894	2,755	45.1%
2015	6,263	477	3,022	2,753	44.0%
2014	6,425	511	3,164	2,740	42.6%
2013	6,542	527	3,233	2,772	42.4%
2012	6,665	550	3,340	2,775	41.6%
2011	6,834	584	3,457	2,793	40.9%
2010	6,990	606	3,527	2,857	40.9%
2009	7,111	618	3,609	2,884	40.6%
2008	7,292	661	3,740	2,891	39.6%
2007	7,449	692	3,853	2,904	39.0%
2006	7,595	717	4,000	2,878	37.9%