Nishiizu (西伊豆町)

Town

Shizuoka (静岡) — 2025 — Based on Basic Resident Register

Total Population

6,639

-203 (-2.97%)

Young (0–14)

4.5%

300

Working Age (15–64)

42.4%

2,814

Aging Rate

53.1%

3,525

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	6,639	3,198	3,441
Young (0–14)	300	151	149
Working Age (15–64)	2,814	1,530	1,284
Elderly (65+)	3,525	1,517	2,008

Year	Total Population	0–14	15–64	65+	Aging Rate
2025	6,639	300	2,814	3,525	53.1%
2024	6,842	343	2,884	3,615	52.8%
2023	7,098	374	3,031	3,693	52.0%
2022	7,290	401	3,127	3,762	51.6%
2021	7,519	438	3,285	3,796	50.5%
2020	7,741	494	3,413	3,834	49.5%
2019	7,954	523	3,545	3,886	48.9%
2018	8,160	556	3,633	3,971	48.7%
2017	8,416	616	3,807	3,993	47.4%
2016	8,641	658	3,963	4,020	46.5%
2015	8,900	719	4,181	4,000	44.9%
2014	9,154	774	4,414	3,966	43.3%
2013	9,311	788	4,578	3,945	42.4%
2012	9,466	827	4,780	3,859	40.8%
2011	9,668	858	4,923	3,887	40.2%
2010	9,891	905	5,048	3,938	39.8%
2009	10,097	948	5,199	3,950	39.1%
2008	10,294	974	5,386	3,934	38.2%
2007	10,486	988	5,595	3,903	37.2%
2006	10,669	1,024	5,768	3,877	36.3%
2005	7,421	719	4,201	2,501	33.7%
2004	7,571	750	4,307	2,514	33.2%
2003	7,701	795	4,407	2,499	32.5%
2002	7,816	826	4,537	2,453	31.4%
2001	7,855	860	4,621	2,374	30.2%
2000	7,968	890	4,760	2,318	29.1%
1999	8,056	919	4,883	2,254	28.0%
1998	8,180	972	4,974	2,234	27.3%
1997	8,351	1,032	5,158	2,161	25.9%
1996	8,423	1,062	5,277	2,084	24.7%
1995	8,545	1,121	5,412	2,012	23.5%