Annual percentage change in primary energy from hydropower in Japan
Japan: Annual percentage change in primary energy from hydropower was -6.6% in 2025. ◆ Volatile
Annual percentage change in primary energy from hydropower in Japan, 1966–2025
Source: Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data. Measured in %.
Analysis
Japan recorded -6.6% for annual percentage change in primary energy from hydropower in 2025.
The figure is down 199.0% on the previous year and down 232.5% over ten years.
Over the whole period, annual percentage change in primary energy from hydropower in Japan peaked at 25.6% in 2010 and was at its lowest, -30.4%, in 1994.
That places Japan 38th out of 68 countries with data for 2025, putting it in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 0.1% | -13.6% | 7.1% | 4 |
| 1970s | 1.5% | -21.5% | 23.8% | 10 |
| 1980s | 1.8% | -15.0% | 20.7% | 10 |
| 1990s | 0.3% | -30.4% | 22.2% | 10 |
| 2000s | -1.2% | -16.1% | 14.7% | 10 |
| 2010s | 0.9% | -8.7% | 25.6% | 10 |
| 2020s | 0.2% | -6.6% | 6.6% | 6 |
Countries ranked near Japan
More reference data data for Japan
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Frequently asked questions
- What is annual percentage change in primary energy from hydropower in Japan?
- Annual percentage change in primary energy from hydropower in Japan was -6.6% in 2025, according to Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data.
- What is the highest annual percentage change in primary energy from hydropower recorded in Japan?
- The highest recorded value was 25.6% in 2010.
- What is the lowest annual percentage change in primary energy from hydropower recorded in Japan?
- The lowest recorded value was -30.4% in 1994.
- How does Japan rank for annual percentage change in primary energy from hydropower?
- Japan ranks 38th out of 68 countries with data for 2025.
- Is annual percentage change in primary energy from hydropower rising or falling in Japan?
- Over the last ten years it is down 232.5%. The long-run trend across the full record is volatile.
- Where does this Japan data come from?
- The figures come from Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data, published as part of Annual percentage change in primary energy from hydropower. Statizoid updates them automatically from the source API.
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About this data
Percentage change in total energy supply relative to the previous year.