Yamagata山形県
Iide 飯豊町
Data last updated:
Iide, Yamagata, Japan has a population of 5,868 (2025 national census). IPSS projections estimate 5,435 by 2030 and 3,508 by 2050 (a decrease of about 47.0% from 2020), with the share of residents aged 65+ rising from 38.7% in 2020 to 48.4%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025
(Census)
5,868
2030
(Projection)
5,435
▼ -17.8%
2040
(Projection)
4,422
▼ -33.1%
2050
(Projection)
3,508
▼ -47.0%
Change vs. 2020 census
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Other municipalities in Yamagata (山形県)
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.
Iide 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 | 10,220 | ▲ +54.5% | Census |
| 1985 | 10,131 | ▲ +53.2% | Census |
| 1990 | 9,880 | ▲ +49.4% | Census |
| 1995 | 9,538 | ▲ +44.2% | Census |
| 2000 | 9,204 | ▲ +39.2% | Census |
| 2005 | 8,623 | ▲ +30.4% | Census |
| 2010 | 7,943 | ▲ +20.1% | Census |
| 2015 | 7,304 | ▲ +10.4% | Census |
| 2020 | 6,613 | — | Census |
| 2025 | 5,868 | ▼ -11.3% | Census |
| 2030 | 5,435 | ▼ -17.8% | Projection |
| 2035 | 4,907 | ▼ -25.8% | Projection |
| 2040 | 4,422 | ▼ -33.1% | Projection |
| 2045 | 3,955 | ▼ -40.2% | Projection |
| 2050 | 3,508 | ▼ -47.0% | Projection |
About Iide
Overview
Iide (飯豊町) is a municipality in Yamagata, Japan, with a population of 5,868 as of 2025.
Population Projection of Iide
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Iide's population is expected to reach 5,435 by 2030 (-17.8%), 4,422 by 2040 (-33.1%), and 3,508 by 2050 (-47.0%). A significant population decline is projected over the next three decades.
Aging Rate of Iide
The aging rate (percentage of residents aged 65 and over) is 38.7% as of 2020 and is projected to rise to 48.4% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.
National Comparison
Iide is experiencing one of the faster rates of population decline in Japan.
National and Prefectural Rank
- Population decline rate: Ranked #448 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #666 out of 1903 nationwide.
- Population size: Ranked #1539 out of 1917 nationwide.
- Related: National rankings / All municipalities in Yamagata
Earnings in Yamagata (山形県): Average salary in Yamagata (山形県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure