Hokkaido北海道
Shosanbetsu 初山別村
Data last updated:
Shosanbetsu, Hokkaido, Japan has a population of 942 (2025 national census). IPSS projections estimate 822 by 2030 and 482 by 2050 (a decrease of about 55.4% from 2020), with the share of residents aged 65+ rising from 39.0% in 2020 to 42.7%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025Census
942
2030Projection
822
▼ -23.9%
2040Projection
634
▼ -41.3%
2050Projection
482
▼ -55.4%
Change vs. 2020 census
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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.
Shosanbetsu 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 | 2,444 | ▲ +126.3% | Census |
| 1985 | 2,237 | ▲ +107.1% | Census |
| 1990 | 2,057 | ▲ +90.5% | Census |
| 1995 | 1,928 | ▲ +78.5% | Census |
| 2000 | 1,764 | ▲ +63.3% | Census |
| 2005 | 1,511 | ▲ +39.9% | Census |
| 2010 | 1,369 | ▲ +26.8% | Census |
| 2015 | 1,217 | ▲ +12.7% | Census |
| 2020 | 1,080 | — | Census |
| 2025 | 942 | ▼ -12.8% | Census |
| 2030 | 822 | ▼ -23.9% | Projection |
| 2035 | 721 | ▼ -33.2% | Projection |
| 2040 | 634 | ▼ -41.3% | Projection |
| 2045 | 559 | ▼ -48.2% | Projection |
| 2050 | 482 | ▼ -55.4% | Projection |
About Shosanbetsu
Overview
Shosanbetsu (初山別村) is a municipality in Hokkaido, Japan, with a population of 942 as of 2025.
Population Projection of Shosanbetsu
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Shosanbetsu's population is expected to reach 822 by 2030 (-23.9%), 634 by 2040 (-41.3%), and 482 by 2050 (-55.4%). The town is projected to lose more than half its population over 30 years.
Aging Rate of Shosanbetsu
The aging rate (percentage of residents aged 65 and over) is 39.0% as of 2020 and is projected to rise to 42.7% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.
National Comparison
Shosanbetsu is experiencing one of the faster rates of population decline in Japan.
National and Prefectural Rank
- Population decline rate: Ranked #159 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #1041 out of 1903 nationwide.
- Population size: Ranked #1877 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