Gifu岐阜県
Ibigawa 揖斐川町
Data last updated:
Ibigawa, Gifu, Japan has a population of 17,277 (2025 national census). IPSS projections estimate 15,512 by 2030 and 9,033 by 2050 (a decrease of about 53.7% from 2020), with the share of residents aged 65+ rising from 38.5% in 2020 to 55.1%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025
(Census)
17,277
2030
(Projection)
15,512
▼ -20.6%
2040
(Projection)
11,993
▼ -38.6%
2050
(Projection)
9,033
▼ -53.7%
Change vs. 2020 census
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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.
Ibigawa 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 | 31,171 | ▲ +59.6% | Census |
| 1985 | 30,226 | ▲ +54.8% | Census |
| 1990 | 29,156 | ▲ +49.3% | Census |
| 1995 | 28,368 | ▲ +45.3% | Census |
| 2000 | 27,453 | ▲ +40.6% | Census |
| 2005 | 26,192 | ▲ +34.1% | Census |
| 2010 | 23,784 | ▲ +21.8% | Census |
| 2015 | 21,503 | ▲ +10.1% | Census |
| 2020 | 19,529 | — | Census |
| 2025 | 17,277 | ▼ -11.5% | Census |
| 2030 | 15,512 | ▼ -20.6% | Projection |
| 2035 | 13,706 | ▼ -29.8% | Projection |
| 2040 | 11,993 | ▼ -38.6% | Projection |
| 2045 | 10,449 | ▼ -46.5% | Projection |
| 2050 | 9,033 | ▼ -53.7% | Projection |
About Ibigawa
Overview
Ibigawa (揖斐川町) is a municipality in Gifu, Japan, with a population of 17,277 as of 2025.
Population Projection of Ibigawa
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Ibigawa's population is expected to reach 15,512 by 2030 (-20.6%), 11,993 by 2040 (-38.6%), and 9,033 by 2050 (-53.7%). The town is projected to lose more than half its population over 30 years.
Aging Rate of Ibigawa
The aging rate (percentage of residents aged 65 and over) is 38.5% as of 2020 and is projected to rise to 55.1% by 2050. More than half of residents will be seniors, placing the town in the "marginal municipality" category.
National Comparison
Ibigawa is experiencing one of the faster rates of population decline in Japan.
National and Prefectural Rank
- Population decline rate: Ranked #199 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #275 out of 1903 nationwide.
- Population size: Ranked #1129 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