Gunma群馬県
Oura 邑楽町
Data last updated:
Oura, Gunma, Japan has a population of 24,260 (2025 national census). IPSS projections estimate 23,347 by 2030 and 17,848 by 2050 (a decrease of about 30.1% from 2020), with the share of residents aged 65+ rising from 32.4% in 2020 to 43.3%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025
(Census)
24,260
2030
(Projection)
23,347
▼ -8.5%
2040
(Projection)
20,651
▼ -19.1%
2050
(Projection)
17,848
▼ -30.1%
Change vs. 2020 census
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Other municipalities in Gunma (群馬県)
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.
Oura 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 | 21,869 | ▼ -14.3% | Census |
| 1985 | 24,217 | ▼ -5.1% | Census |
| 1990 | 26,380 | ▲ +3.4% | Census |
| 1995 | 27,421 | ▲ +7.4% | Census |
| 2000 | 27,512 | ▲ +7.8% | Census |
| 2005 | 27,372 | ▲ +7.2% | Census |
| 2010 | 27,023 | ▲ +5.9% | Census |
| 2015 | 26,426 | ▲ +3.5% | Census |
| 2020 | 25,522 | — | Census |
| 2025 | 24,260 | ▼ -4.9% | Census |
| 2030 | 23,347 | ▼ -8.5% | Projection |
| 2035 | 22,056 | ▼ -13.6% | Projection |
| 2040 | 20,651 | ▼ -19.1% | Projection |
| 2045 | 19,221 | ▼ -24.7% | Projection |
| 2050 | 17,848 | ▼ -30.1% | Projection |
About Oura
Overview
Oura (邑楽町) is a municipality in Gunma, Japan, with a population of 24,260 as of 2025.
Population Projection of Oura
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Oura's population is expected to reach 23,347 by 2030 (-8.5%), 20,651 by 2040 (-19.1%), and 17,848 by 2050 (-30.1%). A significant population decline is projected over the next three decades.
Aging Rate of Oura
The aging rate (percentage of residents aged 65 and over) is 32.4% as of 2020 and is projected to rise to 43.3% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.
National Comparison
Oura's population decline rate exceeds the national average.
National and Prefectural Rank
- Population decline rate: Ranked #1054 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #997 out of 1903 nationwide.
- Population size: Ranked #1005 out of 1917 nationwide.
- Related: National rankings / All municipalities in Gunma
Earnings in Gunma (群馬県): Average salary in Gunma (群馬県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure