Seto (瀬戸市)

City

Aichi (愛知) — 2025 — Based on Basic Resident Register

Total Population

126,274

-1,137 (-0.89%)

Young (0–14)

11.6%

14,636

Working Age (15–64)

58.0%

73,269

Aging Rate

30.4%

38,369

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	126,274	62,202	64,072
Young (0–14)	14,636	7,493	7,143
Working Age (15–64)	73,269	37,809	35,460
Elderly (65+)	38,369	16,900	21,469

Year	Total Population	0–14	15–64	65+	Aging Rate
2025	126,274	14,636	73,269	38,369	30.4%
2024	127,411	15,034	74,051	38,326	30.1%
2023	128,122	15,416	74,348	38,358	29.9%
2022	128,753	15,660	74,559	38,534	29.9%
2021	129,166	15,920	74,852	38,394	29.7%
2020	129,527	16,129	75,169	38,229	29.5%
2019	129,754	16,341	75,417	37,996	29.3%
2018	130,046	16,525	75,949	37,572	28.9%
2017	130,403	16,664	76,571	37,168	28.5%
2016	130,908	16,977	77,460	36,471	27.9%
2015	131,380	17,227	78,446	35,707	27.2%
2014	131,847	17,452	80,113	34,282	26.0%
2013	132,130	17,713	81,202	33,215	25.1%
2012	129,180	17,413	80,533	31,234	24.2%
2011	129,476	17,572	81,466	30,438	23.5%
2010	129,928	17,719	82,183	30,026	23.1%
2009	129,587	17,756	82,873	28,958	22.3%
2008	129,251	17,788	83,720	27,743	21.5%
2007	128,651	17,662	84,354	26,635	20.7%
2006	128,819	17,789	85,597	25,433	19.7%
2005	128,786	17,931	86,554	24,301	18.9%
2004	128,708	18,042	87,330	23,336	18.1%
2003	128,935	18,295	87,960	22,680	17.6%
2002	129,128	18,490	88,948	21,690	16.8%
2001	128,849	18,566	89,492	20,791	16.1%
2000	128,360	18,617	89,983	19,760	15.4%
1999	127,946	18,769	90,287	18,890	14.8%
1998	127,575	19,092	90,408	18,075	14.2%
1997	127,364	19,319	90,869	17,176	13.5%
1996	127,122	19,523	91,135	16,464	13.0%
1995	126,565	19,730	91,068	15,767	12.5%