Hokkaido北海道
Kamikawa 上川町
Data last updated:
Kamikawa, Hokkaido, Japan has a population of 3,165 (2025 national census). IPSS projections estimate 2,600 by 2030 and 1,338 by 2050 (a decrease of about 61.8% from 2020), with the share of residents aged 65+ rising from 44.3% in 2020 to 46.8%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025
(Census)
3,165
2030
(Projection)
2,600
▼ -25.7%
2040
(Projection)
1,880
▼ -46.3%
2050
(Projection)
1,338
▼ -61.8%
Change vs. 2020 census
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Other municipalities in Hokkaido (北海道)
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.
Kamikawa 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 | 9,302 | ▲ +165.8% | Census |
| 1985 | 8,018 | ▲ +129.1% | Census |
| 1990 | 6,668 | ▲ +90.5% | Census |
| 1995 | 6,285 | ▲ +79.6% | Census |
| 2000 | 5,718 | ▲ +63.4% | Census |
| 2005 | 5,176 | ▲ +47.9% | Census |
| 2010 | 4,532 | ▲ +29.5% | Census |
| 2015 | 4,044 | ▲ +15.5% | Census |
| 2020 | 3,500 | — | Census |
| 2025 | 3,165 | ▼ -9.6% | Census |
| 2030 | 2,600 | ▼ -25.7% | Projection |
| 2035 | 2,217 | ▼ -36.7% | Projection |
| 2040 | 1,880 | ▼ -46.3% | Projection |
| 2045 | 1,589 | ▼ -54.6% | Projection |
| 2050 | 1,338 | ▼ -61.8% | Projection |
About Kamikawa
Overview
Kamikawa (上川町) is a municipality in Hokkaido, Japan, with a population of 3,165 as of 2025.
Population Projection of Kamikawa
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Kamikawa's population is expected to reach 2,600 by 2030 (-25.7%), 1,880 by 2040 (-46.3%), and 1,338 by 2050 (-61.8%). The town is projected to lose more than half its population over 30 years.
Aging Rate of Kamikawa
The aging rate (percentage of residents aged 65 and over) is 44.3% as of 2020 and is projected to rise to 46.8% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.
National Comparison
Kamikawa is among the most rapidly declining municipalities in Japan.
National and Prefectural Rank
- Population decline rate: Ranked #49 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #763 out of 1903 nationwide.
- Population size: Ranked #1713 out of 1917 nationwide.
- Related: National rankings / All municipalities in Hokkaido
Earnings in Hokkaido (北海道): Average salary in Hokkaido (北海道) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure