Miyagi宮城県
Onagawa 女川町
Data last updated:
Onagawa, Miyagi, Japan has a population of 5,902 (2025 national census). IPSS projections estimate 5,102 by 2030 and 3,062 by 2050 (a decrease of about 52.4% from 2020), with the share of residents aged 65+ rising from 36.3% in 2020 to 40.1%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025年
(实际)
5,902人
2030年
(预测)
5,102人
▼ -20.7%
2040年
(预测)
3,972人
▼ -38.2%
2050年
(预测)
3,062人
▼ -52.4%
Change vs. 2020 census
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Miyagi (宮城県)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。
Onagawa 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 | 16,105 | ▲ +150.5% | Census |
| 1985 | 15,246 | ▲ +137.1% | Census |
| 1990 | 14,018 | ▲ +118.0% | Census |
| 1995 | 13,044 | ▲ +102.9% | Census |
| 2000 | 11,814 | ▲ +83.7% | Census |
| 2005 | 10,723 | ▲ +66.8% | Census |
| 2010 | 10,051 | ▲ +56.3% | Census |
| 2015 | 6,334 | ▼ -1.5% | Census |
| 2020 | 6,430 | — | Census |
| 2025 | 5,902 | ▼ -8.2% | Census |
| 2030 | 5,102 | ▼ -20.7% | Projection |
| 2035 | 4,510 | ▼ -29.9% | Projection |
| 2040 | 3,972 | ▼ -38.2% | Projection |
| 2045 | 3,495 | ▼ -45.6% | Projection |
| 2050 | 3,062 | ▼ -52.4% | Projection |
About Onagawa
Overview
Onagawa (女川町) is a municipality in Miyagi, Japan, with a population of 5,902 as of 2025.
Population Projection of Onagawa
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Onagawa's population is expected to reach 5,102 by 2030 (-20.7%), 3,972 by 2040 (-38.2%), and 3,062 by 2050 (-52.4%). The town is projected to lose more than half its population over 30 years.
Aging Rate of Onagawa
The aging rate (percentage of residents aged 65 and over) is 36.3% as of 2020 and is projected to rise to 40.1% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.
National Comparison
Onagawa is experiencing one of the faster rates of population decline in Japan.
National and Prefectural Rank
- Population decline rate: Ranked #252 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #1245 out of 1903 nationwide.
- Population size: Ranked #1537 out of 1917 nationwide.
- Related: National rankings / All municipalities in Miyagi
Miyagi (宮城県)的收入水平: Miyagi (宮城県)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