Gifu岐阜県
Oogaki 大垣市
Data last updated:
Oogaki, Gifu, Japan has a population of 154,351 (2025 national census). IPSS projections estimate 150,579 by 2030 and 130,141 by 2050 (a decrease of about 17.8% from 2020), with the share of residents aged 65+ rising from 27.6% in 2020 to 36.9%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025
(Census)
154,351
2030
(Projection)
150,579
▼ -4.9%
2040
(Projection)
140,908
▼ -11.0%
2050
(Projection)
130,141
▼ -17.8%
Change vs. 2020 census
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Other municipalities in Gifu (岐阜県)
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.
Oogaki 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 | 156,215 | ▼ -1.3% | Census |
| 1985 | 158,634 | ▲ +0.2% | Census |
| 1990 | 160,483 | ▲ +1.4% | Census |
| 1995 | 161,679 | ▲ +2.1% | Census |
| 2000 | 161,827 | ▲ +2.2% | Census |
| 2005 | 162,070 | ▲ +2.4% | Census |
| 2010 | 161,160 | ▲ +1.8% | Census |
| 2015 | 159,879 | ▲ +1.0% | Census |
| 2020 | 158,286 | — | Census |
| 2025 | 154,351 | ▼ -2.5% | Census |
| 2030 | 150,579 | ▼ -4.9% | Projection |
| 2035 | 145,911 | ▼ -7.8% | Projection |
| 2040 | 140,908 | ▼ -11.0% | Projection |
| 2045 | 135,667 | ▼ -14.3% | Projection |
| 2050 | 130,141 | ▼ -17.8% | Projection |
About Oogaki
Overview
Oogaki (大垣市) is a municipality in Gifu, Japan, with a population of 154,351 as of 2025.
Population Projection of Oogaki
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Oogaki's population is expected to reach 150,579 by 2030 (-4.9%), 140,908 by 2040 (-11.0%), and 130,141 by 2050 (-17.8%). A modest population change is expected.
Aging Rate of Oogaki
The aging rate (percentage of residents aged 65 and over) is 27.6% as of 2020 and is projected to rise to 36.9% by 2050. The aging rate will remain below the most severe Japanese averages.
National Comparison
Oogaki's demographic trajectory is similar to the national average.
National and Prefectural Rank
- Population decline rate: Ranked #1409 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #1484 out of 1903 nationwide.
- Population size: Ranked #250 out of 1917 nationwide.
- Related: National rankings / All municipalities in Gifu
Earnings in Gifu (岐阜県): Average salary in Gifu (岐阜県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure