Nishi (堺市西区)

Ward

Osaka (大阪) Sakai (堺市) — 2025 — Based on Basic Resident Register

Total Population

134,876

-804 (-0.59%)

Young (0–14)

12.2%

16,429

Working Age (15–64)

61.3%

82,612

Aging Rate

26.6%

35,835

Population Trends (2007–2025)

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

Category	Total	Male	Female
Total	134,876	64,954	69,922
Young (0–14)	16,429	8,287	8,142
Working Age (15–64)	82,612	41,512	41,100
Elderly (65+)	35,835	15,155	20,680

Year	Total Population	0–14	15–64	65+	Aging Rate
2025	134,876	16,429	82,612	35,835	26.6%
2024	135,680	16,927	82,816	35,937	26.5%
2023	136,136	17,478	82,601	36,057	26.5%
2022	136,856	17,942	82,619	36,295	26.5%
2021	137,635	18,489	82,793	36,353	26.4%
2020	138,033	18,929	82,895	36,209	26.2%
2019	138,494	19,328	83,159	36,007	26.0%
2018	138,983	19,798	83,439	35,746	25.7%
2017	139,019	20,133	83,528	35,358	25.4%
2016	138,601	20,437	83,587	34,577	24.9%
2015	138,480	20,575	84,078	33,827	24.4%
2014	138,195	20,791	84,705	32,699	23.7%
2013	138,236	20,966	85,529	31,741	23.0%
2012	136,166	20,903	85,211	30,052	22.1%
2011	135,342	20,895	85,192	29,255	21.6%
2010	134,729	20,729	85,057	28,943	21.5%
2009	134,242	20,639	85,375	28,228	21.0%
2008	133,581	20,398	85,978	27,205	20.4%
2007	132,449	20,012	86,287	26,150	19.7%