Hokkaido北海道
Oumu 雄武町
Data last updated:
Oumu, Hokkaido, Japan has a population of 3,858 (2025 national census). IPSS projections estimate 3,473 by 2030 and 2,298 by 2050 (a decrease of about 45.3% from 2020), with the share of residents aged 65+ rising from 33.8% in 2020 to 41.9%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025年
(实际)
3,858人
2030年
(预测)
3,473人
▼ -17.3%
2040年
(预测)
2,861人
▼ -31.9%
2050年
(预测)
2,298人
▼ -45.3%
Change vs. 2020 census
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Hokkaido (北海道)的其他市区町村
数据来源
- 日本政府统计综合窗口(e-Stat)（https://www.e-stat.go.jp/）
- 国立社会保障・人口问题研究所「日本地区别未来推计人口（令和5年推计）」
※本服务使用e-Stat的API功能，但服务内容不受日本政府保证。
Oumu 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 | 7,041 | ▲ +67.7% | Census |
| 1985 | 6,567 | ▲ +56.4% | Census |
| 1990 | 6,357 | ▲ +51.4% | Census |
| 1995 | 5,976 | ▲ +42.3% | Census |
| 2000 | 5,778 | ▲ +37.6% | Census |
| 2005 | 5,507 | ▲ +31.2% | Census |
| 2010 | 4,939 | ▲ +17.6% | Census |
| 2015 | 4,525 | ▲ +7.8% | Census |
| 2020 | 4,199 | — | Census |
| 2025 | 3,858 | ▼ -8.1% | Census |
| 2030 | 3,473 | ▼ -17.3% | Projection |
| 2035 | 3,165 | ▼ -24.6% | Projection |
| 2040 | 2,861 | ▼ -31.9% | Projection |
| 2045 | 2,572 | ▼ -38.7% | Projection |
| 2050 | 2,298 | ▼ -45.3% | Projection |
About Oumu
Overview
Oumu (雄武町) is a municipality in Hokkaido, Japan, with a population of 3,858 as of 2025.
Population Projection of Oumu
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Oumu's population is expected to reach 3,473 by 2030 (-17.3%), 2,861 by 2040 (-31.9%), and 2,298 by 2050 (-45.3%). A significant population decline is projected over the next three decades.
Aging Rate of Oumu
The aging rate (percentage of residents aged 65 and over) is 33.8% as of 2020 and is projected to rise to 41.9% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.
National Comparison
Oumu is experiencing one of the faster rates of population decline in Japan.
National and Prefectural Rank
- Population decline rate: Ranked #518 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #1097 out of 1903 nationwide.
- Population size: Ranked #1666 out of 1917 nationwide.
- Related: National rankings / All municipalities in Hokkaido
Hokkaido (北海道)的收入水平: Hokkaido (北海道)的平均年收入（按年龄、性别、企业规模）jpsalary / 厚生劳动省 工资结构基本统计调查