Ainan (愛南町)

Town

Ehime (愛媛) — 2025 — Based on Basic Resident Register

Total Population

18,573

-465 (-2.44%)

Young (0–14)

7.0%

1,300

Working Age (15–64)

45.6%

8,467

Aging Rate

47.4%

8,806

Population Trends (2005–2025)

* Data before 2012 includes Japanese residents only (foreign residents were added to the Basic Resident Register in July 2012)

Category	Total	Male	Female
Total	18,573	8,804	9,769
Young (0–14)	1,300	688	612
Working Age (15–64)	8,467	4,392	4,075
Elderly (65+)	8,806	3,724	5,082

Year	Total Population	0–14	15–64	65+	Aging Rate
2025	18,573	1,300	8,467	8,806	47.4%
2024	19,038	1,368	8,763	8,907	46.8%
2023	19,575	1,445	9,153	8,977	45.9%
2022	20,052	1,498	9,457	9,097	45.4%
2021	20,495	1,601	9,791	9,103	44.4%
2020	20,969	1,703	10,196	9,070	43.3%
2019	21,485	1,810	10,603	9,072	42.2%
2018	22,019	1,935	11,037	9,047	41.1%
2017	22,570	2,030	11,584	8,956	39.7%
2016	23,106	2,153	12,066	8,887	38.5%
2015	23,573	2,256	12,577	8,740	37.1%
2014	24,027	2,359	13,130	8,538	35.5%
2013	24,291	2,447	13,401	8,443	34.8%
2012	24,673	2,554	13,915	8,204	33.3%
2011	25,117	2,656	14,367	8,094	32.2%
2010	25,585	2,779	14,662	8,144	31.8%
2009	26,054	2,948	14,957	8,149	31.3%
2008	26,521	3,088	15,357	8,076	30.5%
2007	27,087	3,257	15,793	8,037	29.7%
2006	27,569	3,382	16,260	7,927	28.8%
2005	28,294	3,558	16,844	7,892	27.9%