Saitama埼玉県
Kawajima 川島町
Data last updated:
Kawajima, Saitama, Japan has a population of 17,873 (2025 national census). IPSS projections estimate 16,788 by 2030 and 11,022 by 2050 (a decrease of about 43.1% from 2020), with the share of residents aged 65+ rising from 36.0% in 2020 to 52.9%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025
(Census)
17,873
2030
(Projection)
16,788
▼ -13.4%
2040
(Projection)
13,839
▼ -28.6%
2050
(Projection)
11,022
▼ -43.1%
Change vs. 2020 census
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Other municipalities in Saitama (埼玉県)
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.
Kawajima 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 | 17,393 | ▼ -10.2% | Census |
| 1985 | 19,865 | ▲ +2.5% | Census |
| 1990 | 21,946 | ▲ +13.3% | Census |
| 1995 | 23,134 | ▲ +19.4% | Census |
| 2000 | 23,322 | ▲ +20.4% | Census |
| 2005 | 22,906 | ▲ +18.2% | Census |
| 2010 | 22,147 | ▲ +14.3% | Census |
| 2015 | 20,788 | ▲ +7.3% | Census |
| 2020 | 19,378 | — | Census |
| 2025 | 17,873 | ▼ -7.8% | Census |
| 2030 | 16,788 | ▼ -13.4% | Projection |
| 2035 | 15,338 | ▼ -20.8% | Projection |
| 2040 | 13,839 | ▼ -28.6% | Projection |
| 2045 | 12,360 | ▼ -36.2% | Projection |
| 2050 | 11,022 | ▼ -43.1% | Projection |
About Kawajima
Overview
Kawajima (川島町) is a municipality in Saitama, Japan, with a population of 17,873 as of 2025.
Population Projection of Kawajima
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Kawajima's population is expected to reach 16,788 by 2030 (-13.4%), 13,839 by 2040 (-28.6%), and 11,022 by 2050 (-43.1%). A significant population decline is projected over the next three decades.
Aging Rate of Kawajima
The aging rate (percentage of residents aged 65 and over) is 36.0% as of 2020 and is projected to rise to 52.9% by 2050. More than half of residents will be seniors, placing the town in the "marginal municipality" category.
National Comparison
Kawajima is experiencing one of the faster rates of population decline in Japan.
National and Prefectural Rank
- Population decline rate: Ranked #597 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #373 out of 1903 nationwide.
- Population size: Ranked #1110 out of 1917 nationwide.
- Related: National rankings / All municipalities in Saitama
Earnings in Saitama (埼玉県): Average salary in Saitama (埼玉県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure