Miyagi宮城県
Oosato 大郷町
Data last updated:
Oosato, Miyagi, Japan has a population of 7,141 (2025 national census). IPSS projections estimate 6,602 by 2030 and 4,278 by 2050 (a decrease of about 45.2% from 2020), with the share of residents aged 65+ rising from 38.7% in 2020 to 54.0%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025
(Census)
7,141
2030
(Projection)
6,602
▼ -15.5%
2040
(Projection)
5,437
▼ -30.4%
2050
(Projection)
4,278
▼ -45.2%
Change vs. 2020 census
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Other municipalities in Miyagi (宮城県)
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.
Oosato 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 | 10,172 | ▲ +30.2% | Census |
| 1985 | 10,465 | ▲ +33.9% | Census |
| 1990 | 10,426 | ▲ +33.4% | Census |
| 1995 | 10,220 | ▲ +30.8% | Census |
| 2000 | 9,768 | ▲ +25.0% | Census |
| 2005 | 9,424 | ▲ +20.6% | Census |
| 2010 | 8,927 | ▲ +14.3% | Census |
| 2015 | 8,370 | ▲ +7.1% | Census |
| 2020 | 7,813 | — | Census |
| 2025 | 7,141 | ▼ -8.6% | Census |
| 2030 | 6,602 | ▼ -15.5% | Projection |
| 2035 | 6,006 | ▼ -23.1% | Projection |
| 2040 | 5,437 | ▼ -30.4% | Projection |
| 2045 | 4,851 | ▼ -37.9% | Projection |
| 2050 | 4,278 | ▼ -45.2% | Projection |
About Oosato
Overview
Oosato (大郷町) is a municipality in Miyagi, Japan, with a population of 7,141 as of 2025.
Population Projection of Oosato
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Oosato's population is expected to reach 6,602 by 2030 (-15.5%), 5,437 by 2040 (-30.4%), and 4,278 by 2050 (-45.2%). A significant population decline is projected over the next three decades.
Aging Rate of Oosato
The aging rate (percentage of residents aged 65 and over) is 38.7% as of 2020 and is projected to rise to 54.0% by 2050. More than half of residents will be seniors, placing the town in the "marginal municipality" category.
National Comparison
Oosato is experiencing one of the faster rates of population decline in Japan.
National and Prefectural Rank
- Population decline rate: Ranked #521 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #324 out of 1903 nationwide.
- Population size: Ranked #1467 out of 1917 nationwide.
- Related: National rankings / All municipalities in Miyagi
Earnings in Miyagi (宮城県): Average salary in Miyagi (宮城県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure