Iiyama (飯山市)

Cidade

Nagano (長野) — 2025 — Baseado no Registro Básico de Residentes

População total

18,812

-402 (-2.09%)

Jovens (0–14)

8.9%

1,682

Idade ativa (15–64)

51.6%

9,716

Taxa de envelhecimento

39.4%

7,414

Tendências populacionais (1995–2025)

* Dados anteriores a 2012 incluem apenas residentes japoneses (residentes estrangeiros foram adicionados ao Registro em julho de 2012)

Categoria	Total	Masculino	Feminino
Total	18,812	9,164	9,648
Jovens (0–14)	1,682	842	840
Idade ativa (15–64)	9,716	4,994	4,722
Idosos (65+)	7,414	3,328	4,086

Ano	População total	0–14	15–64	65+	Taxa de envelhecimento
2025	18,812	1,682	9,716	7,414	39.4%
2024	19,214	1,745	9,996	7,473	38.9%
2023	19,705	1,850	10,308	7,547	38.3%
2022	20,059	1,942	10,510	7,607	37.9%
2021	20,332	1,997	10,744	7,591	37.3%
2020	20,750	2,099	11,072	7,579	36.5%
2019	21,114	2,172	11,353	7,589	35.9%
2018	21,484	2,231	11,649	7,604	35.4%
2017	21,847	2,296	11,973	7,578	34.7%
2016	22,331	2,425	12,376	7,530	33.7%
2015	22,764	2,511	12,829	7,424	32.6%
2014	23,121	2,601	13,232	7,288	31.5%
2013	23,410	2,678	13,485	7,247	31.0%
2012	23,642	2,825	13,648	7,169	30.3%
2011	24,062	2,939	13,931	7,192	29.9%
2010	24,401	3,027	14,074	7,300	29.9%
2009	24,734	3,176	14,247	7,311	29.6%
2008	24,917	3,242	14,360	7,315	29.4%
2007	25,242	3,313	14,642	7,287	28.9%
2006	25,670	3,446	14,906	7,318	28.5%
2005	26,006	3,548	15,149	7,309	28.1%
2004	26,300	3,920	15,411	6,969	26.5%
2003	26,597	3,752	15,596	7,249	27.3%
2002	26,897	3,881	15,843	7,173	26.7%
2001	27,274	4,028	16,138	7,108	26.1%
2000	27,433	4,082	16,350	7,001	25.5%
1999	27,695	4,185	16,572	6,938	25.1%
1998	27,869	4,310	16,706	6,853	24.6%
1997	28,112	4,449	16,948	6,715	23.9%
1996	28,304	4,553	17,211	6,540	23.1%
1995	28,533	4,700	17,444	6,389	22.4%