Mashiko (益子町)

Town

Tochigi (栃木) — 2025 — Based on Basic Resident Register

Total Population

21,360

-256 (-1.18%)

Young (0–14)

9.8%

2,094

Working Age (15–64)

55.6%

11,884

Aging Rate

34.6%

7,382

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	21,360	10,655	10,705
Young (0–14)	2,094	1,093	1,001
Working Age (15–64)	11,884	6,097	5,787
Elderly (65+)	7,382	3,465	3,917

Year	Total Population	0–14	15–64	65+	Aging Rate
2025	21,360	2,094	11,884	7,382	34.6%
2024	21,616	2,185	12,131	7,300	33.8%
2023	21,876	2,296	12,359	7,221	33.0%
2022	22,196	2,414	12,615	7,167	32.3%
2021	22,530	2,514	12,900	7,116	31.6%
2020	22,879	2,630	13,254	6,995	30.6%
2019	23,174	2,720	13,647	6,807	29.4%
2018	23,465	2,808	14,006	6,651	28.3%
2017	23,779	2,923	14,385	6,471	27.2%
2016	24,034	2,948	14,790	6,296	26.2%
2015	24,304	2,993	15,240	6,071	25.0%
2014	24,464	3,047	15,570	5,847	23.9%
2013	24,617	3,115	15,791	5,711	23.2%
2012	24,671	3,158	16,048	5,465	22.2%
2011	24,804	3,187	16,252	5,365	21.6%
2010	24,963	3,212	16,401	5,350	21.4%
2009	25,119	3,299	16,520	5,300	21.1%
2008	25,220	3,342	16,658	5,220	20.7%
2007	25,312	3,428	16,718	5,166	20.4%
2006	25,448	3,498	16,858	5,092	20.0%
2005	25,516	3,582	16,902	5,032	19.7%
2004	25,657	3,672	16,993	4,992	19.5%
2003	25,701	3,815	16,946	4,940	19.2%
2002	25,855	3,963	17,055	4,837	18.7%
2001	25,927	4,144	17,010	4,773	18.4%
2000	25,954	4,338	16,996	4,620	17.8%
1999	25,969	4,501	16,950	4,518	17.4%
1998	26,018	4,658	16,897	4,463	17.2%
1997	25,806	4,717	16,699	4,390	17.0%
1996	25,672	4,911	16,506	4,255	16.6%
1995	25,612	5,064	16,430	4,118	16.1%