Kanagawa神奈川県
Aikawa 愛川町
Data last updated:
Aikawa, Kanagawa, Japan has a population of 39,084 (2025 national census). IPSS projections estimate 36,914 by 2030 and 28,573 by 2050 (a decrease of about 28.3% from 2020), with the share of residents aged 65+ rising from 30.1% in 2020 to 44.3%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025
(Census)
39,084
2030
(Projection)
36,914
▼ -7.4%
2040
(Projection)
32,875
▼ -17.5%
2050
(Projection)
28,573
▼ -28.3%
Change vs. 2020 census
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Other municipalities in Kanagawa (神奈川県)
Data Sources
- Portal Site of Official Statistics of Japan (e-Stat)（https://www.e-stat.go.jp/）
- National Institute of Population and Social Security Research (IPSS), Regional Population Projections (2023 ed.)
* This service uses the e-Stat API but its content is not guaranteed by the Japanese government.
Aikawa Population Table (1980–2050)
Population by year: national census results (restated to current municipal boundaries) and IPSS (2023) projections based on the 2020 census.
| Year | Population | vs 2020 | Type |
|---|---|---|---|
| 1980 | 29,873 | ▼ -25.1% | Census |
| 1985 | 35,312 | ▼ -11.4% | Census |
| 1990 | 40,424 | ▲ +1.4% | Census |
| 1995 | 43,088 | ▲ +8.1% | Census |
| 2000 | 42,760 | ▲ +7.3% | Census |
| 2005 | 42,045 | ▲ +5.5% | Census |
| 2010 | 42,089 | ▲ +5.6% | Census |
| 2015 | 40,343 | ▲ +1.2% | Census |
| 2020 | 39,869 | — | Census |
| 2025 | 39,084 | ▼ -2.0% | Census |
| 2030 | 36,914 | ▼ -7.4% | Projection |
| 2035 | 34,991 | ▼ -12.2% | Projection |
| 2040 | 32,875 | ▼ -17.5% | Projection |
| 2045 | 30,708 | ▼ -23.0% | Projection |
| 2050 | 28,573 | ▼ -28.3% | Projection |
About Aikawa
Overview
Aikawa (愛川町) is a municipality in Kanagawa, Japan, with a population of 39,084 as of 2025.
Population Projection of Aikawa
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Aikawa's population is expected to reach 36,914 by 2030 (-7.4%), 32,875 by 2040 (-17.5%), and 28,573 by 2050 (-28.3%). A significant population decline is projected over the next three decades.
Aging Rate of Aikawa
The aging rate (percentage of residents aged 65 and over) is 30.1% as of 2020 and is projected to rise to 44.3% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.
National Comparison
Aikawa's population decline rate exceeds the national average.
National and Prefectural Rank
- Population decline rate: Ranked #1109 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #930 out of 1903 nationwide.
- Population size: Ranked #788 out of 1917 nationwide.
- Related: National rankings / All municipalities in Kanagawa
Earnings in Kanagawa (神奈川県): Average salary in Kanagawa (神奈川県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure