Shimane島根県
Ooda 大田市
Data last updated:
Ooda, Shimane, Japan has a population of 29,752 (2025 national census). IPSS projections estimate 27,977 by 2030 and 19,642 by 2050 (a decrease of about 40.2% from 2020), with the share of residents aged 65+ rising from 40.4% in 2020 to 46.8%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025Census
29,752
2030Projection
27,977
▼ -14.8%
2040Projection
23,565
▼ -28.3%
2050Projection
19,642
▼ -40.2%
Change vs. 2020 census
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Other municipalities in Shimane (島根県)
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.
Ooda 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 | 49,570 | ▲ +50.9% | Census |
| 1985 | 49,277 | ▲ +50.0% | Census |
| 1990 | 47,291 | ▲ +44.0% | Census |
| 1995 | 44,953 | ▲ +36.9% | Census |
| 2000 | 42,573 | ▲ +29.6% | Census |
| 2005 | 40,703 | ▲ +23.9% | Census |
| 2010 | 37,996 | ▲ +15.7% | Census |
| 2015 | 35,166 | ▲ +7.1% | Census |
| 2020 | 32,846 | — | Census |
| 2025 | 29,752 | ▼ -9.4% | Census |
| 2030 | 27,977 | ▼ -14.8% | Projection |
| 2035 | 25,702 | ▼ -21.7% | Projection |
| 2040 | 23,565 | ▼ -28.3% | Projection |
| 2045 | 21,543 | ▼ -34.4% | Projection |
| 2050 | 19,642 | ▼ -40.2% | Projection |
About Ooda
Overview
Ooda (大田市) is a municipality in Shimane, Japan, with a population of 29,752 as of 2025.
Population Projection of Ooda
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Ooda's population is expected to reach 27,977 by 2030 (-14.8%), 23,565 by 2040 (-28.3%), and 19,642 by 2050 (-40.2%). A significant population decline is projected over the next three decades.
Aging Rate of Ooda
The aging rate (percentage of residents aged 65 and over) is 40.4% as of 2020 and is projected to rise to 46.8% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.
National Comparison
Ooda is experiencing one of the faster rates of population decline in Japan.
National and Prefectural Rank
- Population decline rate: Ranked #714 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #766 out of 1903 nationwide.
- Population size: Ranked #911 out of 1917 nationwide.
- Related: National rankings / All municipalities in Shimane
Earnings in Shimane (島根県): Average salary in Shimane (島根県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure