Share of electricity generation from hydropower in Japan
Japan: Share of electricity generation from hydropower was 7.2% in 2025. ▼ Falling
Share of electricity generation from hydropower in Japan, 1985–2025
Source: Ember (2026) and other sources – with major processing by Our World in Data. Measured in %.
Analysis
The most recent figure for share of electricity generation from hydropower in Japan is 7.2%, measured in 2025.
That represents a change of down 8.2% on the previous year and down 13.8% over ten years.
Over the whole period, share of electricity generation from hydropower in Japan peaked at 12.3% in 1985 and was at its lowest, 6.3%, in 2007.
Japan ranks 113th of 213 countries on this measure, in the middle of the range.
The long-run direction has been consistently falling across the 41 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 11.6% | 10.4% | 12.3% | 5 |
| 1990s | 8.5% | 6.5% | 10.4% | 10 |
| 2000s | 7.2% | 6.3% | 8.5% | 10 |
| 2010s | 7.5% | 7.0% | 8.3% | 10 |
| 2020s | 7.5% | 7.2% | 7.8% | 6 |
Countries ranked near Japan
More energy & mining data for Japan
- Fuel imports 19.6% (2025)
- Ores and metals imports 7.0% (2025)
- Ores and metals exports 3.6% (2025)
- Gas production 22.04 terawatt-hours (2024)
- Fossil fuel production per person, by fuel 178.13 kilowatt-hours per person (2024)
- Fossil fuel production by fuel 22.04 terawatt-hours (2024)
- Gas production per person 178.13 kilowatt-hours per person (2024)
- Fuel exports 1.2% (2025)
- Electric power transmission and distribution losses 4.9% (2024)
- Share of dietary energy supply from carbohydrates vs. GDP per capita 55.1% (2022)
Frequently asked questions
- What is share of electricity generation from hydropower in Japan?
- Share of electricity generation from hydropower in Japan was 7.2% in 2025, according to Ember (2026) and other sources – with major processing by Our World in Data.
- What is the highest share of electricity generation from hydropower recorded in Japan?
- The highest recorded value was 12.3% in 1985.
- What is the lowest share of electricity generation from hydropower recorded in Japan?
- The lowest recorded value was 6.3% in 2007.
- How does Japan rank for share of electricity generation from hydropower?
- Japan ranks 113th out of 213 countries with data for 2025.
- Is share of electricity generation from hydropower rising or falling in Japan?
- Over the last ten years it is down 13.8%. The long-run trend across the full record is falling.
- Where does this Japan data come from?
- The figures come from Ember (2026) and other sources – with major processing by Our World in Data, published as part of Share of electricity generation from hydropower. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 41 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Measured as a percentage of total electricity produced in the country or region.