Share of primary energy from nuclear in Japan
Japan: Share of primary energy from nuclear was 6.2% in 2025. ◆ Volatile
Share of primary energy from nuclear in Japan, 1965–2025
Source: Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data. Measured in %.
Analysis
In 2025, share of primary energy from nuclear in Japan stood at 6.2%.
The figure is up 11.6% on the previous year and up 2,265.7% over ten years.
Over the whole period, share of primary energy from nuclear in Japan peaked at 16.5% in 1998 and was at its lowest, 0.0%, in 2014.
Japan ranks 21st of 215 countries on this measure, in the top 10%.
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% | 0.0% | 0.1% | 5 |
| 1970s | 2.0% | 0.4% | 4.9% | 10 |
| 1980s | 9.6% | 6.0% | 12.5% | 10 |
| 1990s | 14.2% | 11.5% | 16.5% | 10 |
| 2000s | 14.2% | 11.5% | 15.8% | 10 |
| 2010s | 3.5% | 0.0% | 14.8% | 10 |
| 2020s | 4.5% | 2.8% | 6.2% | 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 primary energy from nuclear in Japan?
- Share of primary energy from nuclear in Japan was 6.2% in 2025, according to Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data.
- What is the highest share of primary energy from nuclear recorded in Japan?
- The highest recorded value was 16.5% in 1998.
- What is the lowest share of primary energy from nuclear recorded in Japan?
- The lowest recorded value was 0.0% in 2014.
- How does Japan rank for share of primary energy from nuclear?
- Japan ranks 21st out of 215 countries with data for 2025.
- Is share of primary energy from nuclear rising or falling in Japan?
- Over the last ten years it is up 2,265.7%. 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); U.S. Energy Information Administration (2026) – with major processing by Our World in Data, published as part of Share of primary energy from nuclear. Statizoid updates them automatically from the source API.
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About this data
Measured as a percentage of total energy supply.