Gunma群馬県
Kusatsu 草津町
Data last updated:
Kusatsu, Gunma, Japan has a population of 5,753 (2025 national census). IPSS projections estimate 5,087 by 2030 and 3,386 by 2050 (a decrease of about 44.0% from 2020), with the share of residents aged 65+ rising from 41.0% in 2020 to 47.2%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025年
(实际)
5,753人
2030年
(预测)
5,087人
▼ -15.9%
2040年
(预测)
4,150人
▼ -31.4%
2050年
(预测)
3,386人
▼ -44.0%
Change vs. 2020 census
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Gunma (群馬県)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。
Kusatsu 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 | 9,341 | ▲ +54.4% | Census |
| 1985 | 8,945 | ▲ +47.9% | Census |
| 1990 | 8,620 | ▲ +42.5% | Census |
| 1995 | 8,294 | ▲ +37.1% | Census |
| 2000 | 7,702 | ▲ +27.3% | Census |
| 2005 | 7,602 | ▲ +25.7% | Census |
| 2010 | 7,160 | ▲ +18.4% | Census |
| 2015 | 6,518 | ▲ +7.8% | Census |
| 2020 | 6,049 | — | Census |
| 2025 | 5,753 | ▼ -4.9% | Census |
| 2030 | 5,087 | ▼ -15.9% | Projection |
| 2035 | 4,593 | ▼ -24.1% | Projection |
| 2040 | 4,150 | ▼ -31.4% | Projection |
| 2045 | 3,740 | ▼ -38.2% | Projection |
| 2050 | 3,386 | ▼ -44.0% | Projection |
About Kusatsu
Overview
Kusatsu (草津町) is a municipality in Gunma, Japan, with a population of 5,753 as of 2025.
Population Projection of Kusatsu
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Kusatsu's population is expected to reach 5,087 by 2030 (-15.9%), 4,150 by 2040 (-31.4%), and 3,386 by 2050 (-44.0%). A significant population decline is projected over the next three decades.
Aging Rate of Kusatsu
The aging rate (percentage of residents aged 65 and over) is 41.0% as of 2020 and is projected to rise to 47.2% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.
National Comparison
Kusatsu is experiencing one of the faster rates of population decline in Japan.
National and Prefectural Rank
- Population decline rate: Ranked #564 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #738 out of 1903 nationwide.
- Population size: Ranked #1547 out of 1917 nationwide.
- Related: National rankings / All municipalities in Gunma
Gunma (群馬県)的收入水平: Gunma (群馬県)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