Fukui福井県
Ooi おおい町
Data last updated:
Ooi, Fukui, Japan has a population of 7,913 (2020 national census). IPSS projections estimate 6,979 by 2030 and 5,252 by 2050 (a decrease of about 33.6% from 2020), with the share of residents aged 65+ rising from 32.2% to 39.8%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2020
(Census)
7,913
2030
(Projection)
6,979
▼ -11.8%
2040
(Projection)
6,114
▼ -22.7%
2050
(Projection)
5,252
▼ -33.6%
Other municipalities in Fukui (福井県)
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.
Ooi Population Projection Table (2020–2050)
Population by year, based on the national census and IPSS (2023) projections.
| Year | Population | vs 2020 | Type |
|---|---|---|---|
| 2020 | 7,913 | — | Census |
| 2025 | 7,447 | ▼ -5.9% | Projection |
| 2030 | 6,979 | ▼ -11.8% | Projection |
| 2035 | 6,539 | ▼ -17.4% | Projection |
| 2040 | 6,114 | ▼ -22.7% | Projection |
| 2045 | 5,681 | ▼ -28.2% | Projection |
| 2050 | 5,252 | ▼ -33.6% | Projection |
About Ooi
Overview
Ooi (おおい町) is a municipality in Fukui, Japan, with a population of 7,913 as of 2020.
Population Projection of Ooi
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Ooi's population is expected to reach 6,979 by 2030 (-11.8%), 6,114 by 2040 (-22.7%), and 5,252 by 2050 (-33.6%). A significant population decline is projected over the next three decades.
Aging Rate of Ooi
The aging rate (percentage of residents aged 65 and over) is 32.2% as of 2020 and is projected to rise to 39.8% by 2050. The aging rate will remain below the most severe Japanese averages.
National Comparison
Ooi's population decline rate exceeds the national average.
National and Prefectural Rank
- Population decline rate: Ranked #939 out of 1916 municipalities nationwide.
- Aging rate in 2050: Ranked #1279 out of 1916 nationwide.
- Population size: Ranked #1462 out of 1916 nationwide.
- Related: National rankings / All municipalities in Fukui