Kumamoto熊本県
Oozu 大津町
Data last updated:
Oozu, Kumamoto, Japan has a population of 36,915 (2025 national census). IPSS projections estimate 36,841 by 2030 and 36,639 by 2050 (an increase of about 4.1% from 2020), with the share of residents aged 65+ rising from 21.8% in 2020 to 30.7%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025年
(实际)
36,915人
2030年
(预测)
36,841人
▲ +4.7%
2040年
(预测)
37,324人
▲ +6.1%
2050年
(预测)
36,639人
▲ +4.1%
Change vs. 2020 census
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Kumamoto (熊本県)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。
Oozu 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 | 19,894 | ▼ -43.5% | Census |
| 1985 | 22,008 | ▼ -37.5% | Census |
| 1990 | 23,744 | ▼ -32.5% | Census |
| 1995 | 26,376 | ▼ -25.0% | Census |
| 2000 | 28,021 | ▼ -20.4% | Census |
| 2005 | 29,107 | ▼ -17.3% | Census |
| 2010 | 31,234 | ▼ -11.2% | Census |
| 2015 | 33,452 | ▼ -4.9% | Census |
| 2020 | 35,187 | — | Census |
| 2025 | 36,915 | ▲ +4.9% | Census |
| 2030 | 36,841 | ▲ +4.7% | Projection |
| 2035 | 37,219 | ▲ +5.8% | Projection |
| 2040 | 37,324 | ▲ +6.1% | Projection |
| 2045 | 37,126 | ▲ +5.5% | Projection |
| 2050 | 36,639 | ▲ +4.1% | Projection |
About Oozu
Overview
Oozu (大津町) is a municipality in Kumamoto, Japan, with a population of 36,915 as of 2025.
Population Projection of Oozu
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Oozu's population is expected to reach 36,841 by 2030 (+4.7%), 37,324 by 2040 (+6.1%), and 36,639 by 2050 (+4.1%). Oozu is among the rare Japanese municipalities projected to see population growth.
Aging Rate of Oozu
The aging rate (percentage of residents aged 65 and over) is 21.8% as of 2020 and is projected to rise to 30.7% by 2050. The aging rate will remain below the most severe Japanese averages.
National Comparison
Oozu's demographic trajectory is similar to the national average.
National and Prefectural Rank
- Population decline rate: Ranked #1846 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #1816 out of 1903 nationwide.
- Population size: Ranked #815 out of 1917 nationwide.
- Related: National rankings / All municipalities in Kumamoto
Kumamoto (熊本県)的收入水平: Kumamoto (熊本県)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