Unzen (雲仙市)

City

Nagasaki (長崎) — 2025 — Based on Basic Resident Register

Total Population

40,724

-548 (-1.33%)

Young (0–14)

11.3%

4,595

Working Age (15–64)

51.8%

21,109

Aging Rate

36.9%

15,020

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	40,724	19,481	21,243
Young (0–14)	4,595	2,349	2,246
Working Age (15–64)	21,109	10,645	10,464
Elderly (65+)	15,020	6,487	8,533

Year	Total Population	0–14	15–64	65+	Aging Rate
2025	40,724	4,595	21,109	15,020	36.9%
2024	41,272	4,739	21,500	15,033	36.4%
2023	41,829	4,853	21,898	15,078	36.0%
2022	42,227	4,918	22,240	15,069	35.7%
2021	42,783	5,013	22,742	15,028	35.1%
2020	43,356	5,108	23,377	14,871	34.3%
2019	44,041	5,226	24,101	14,714	33.4%
2018	44,629	5,332	24,719	14,578	32.7%
2017	45,147	5,404	25,314	14,429	32.0%
2016	45,686	5,551	25,897	14,238	31.2%
2015	46,437	5,764	26,664	14,009	30.2%
2014	47,234	5,887	27,468	13,879	29.4%
2013	47,615	6,020	27,795	13,800	29.0%
2012	47,891	6,172	28,092	13,627	28.5%
2011	48,591	6,346	28,598	13,647	28.1%
2010	49,139	6,508	28,769	13,862	28.2%
2009	49,584	6,673	29,032	13,879	28.0%
2008	50,027	6,881	29,304	13,842	27.7%
2007	50,812	7,163	29,876	13,773	27.1%
2006	51,386	7,330	30,358	13,698	26.7%