Hokkaido北海道
Otoineppu 音威子府村
Data last updated:
Otoineppu, Hokkaido, Japan has a population of 603 (2025 national census). IPSS projections estimate 532 by 2030 and 328 by 2050 (a decrease of about 53.5% from 2020), with the share of residents aged 65+ rising from 29.9% in 2020 to 23.5%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025
(Census)
603
2030
(Projection)
532
▼ -24.6%
2040
(Projection)
407
▼ -42.4%
2050
(Projection)
328
▼ -53.5%
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.
Otoineppu 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 | 2,100 | ▲ +197.5% | Census |
| 1985 | 2,068 | ▲ +192.9% | Census |
| 1990 | 1,584 | ▲ +124.4% | Census |
| 1995 | 1,480 | ▲ +109.6% | Census |
| 2000 | 1,334 | ▲ +89.0% | Census |
| 2005 | 1,070 | ▲ +51.6% | Census |
| 2010 | 995 | ▲ +40.9% | Census |
| 2015 | 832 | ▲ +17.8% | Census |
| 2020 | 706 | — | Census |
| 2025 | 603 | ▼ -14.6% | Census |
| 2030 | 532 | ▼ -24.6% | Projection |
| 2035 | 465 | ▼ -34.1% | Projection |
| 2040 | 407 | ▼ -42.4% | Projection |
| 2045 | 360 | ▼ -49.0% | Projection |
| 2050 | 328 | ▼ -53.5% | Projection |
About Otoineppu
Overview
Otoineppu (音威子府村) is a municipality in Hokkaido, Japan, with a population of 603 as of 2025.
Population Projection of Otoineppu
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Otoineppu's population is expected to reach 532 by 2030 (-24.6%), 407 by 2040 (-42.4%), and 328 by 2050 (-53.5%). The town is projected to lose more than half its population over 30 years.
Aging Rate of Otoineppu
The aging rate (percentage of residents aged 65 and over) is 29.9% as of 2020 and is projected to rise to 23.5% by 2050. The aging rate will remain below the most severe Japanese averages.
National Comparison
Otoineppu is experiencing one of the faster rates of population decline in Japan.
National and Prefectural Rank
- Population decline rate: Ranked #209 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #1897 out of 1903 nationwide.
- Population size: Ranked #1896 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