Primary energy from nuclear in Japan
Japan: Primary energy from nuclear was 285.05 terawatt-hours in 2025. ◆ Volatile
Primary energy from nuclear in Japan, 1965–2025
Source: Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
The most recent figure for primary energy from nuclear in Japan is 285.05 terawatt-hours, measured in 2025.
That represents a change of up 10.8% on the previous year and up 1,979.0% over ten years.
Over the whole period, primary energy from nuclear in Japan peaked at 987.8 terawatt-hours in 1998 and was at its lowest, 0 terawatt-hours, in 2014.
That places Japan 6th out of 213 countries with data for 2025, putting it 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 | 2.04 terawatt-hours | 0.0758 terawatt-hours | 3.28 terawatt-hours | 5 |
| 1970s | 82.44 terawatt-hours | 13.88 terawatt-hours | 213.31 terawatt-hours | 10 |
| 1980s | 422.62 terawatt-hours | 250.28 terawatt-hours | 571.53 terawatt-hours | 10 |
| 1990s | 810.3 terawatt-hours | 589.61 terawatt-hours | 987.8 terawatt-hours | 10 |
| 2000s | 870.48 terawatt-hours | 697.21 terawatt-hours | 971.33 terawatt-hours | 10 |
| 2010s | 198.15 terawatt-hours | 0 terawatt-hours | 885.92 terawatt-hours | 10 |
| 2020s | 208.3 terawatt-hours | 130.3 terawatt-hours | 285.05 terawatt-hours | 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 primary energy from nuclear in Japan?
- Primary energy from nuclear in Japan was 285.05 terawatt-hours 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 primary energy from nuclear recorded in Japan?
- The highest recorded value was 987.8 terawatt-hours in 1998.
- What is the lowest primary energy from nuclear recorded in Japan?
- The lowest recorded value was 0 terawatt-hours in 2014.
- How does Japan rank for primary energy from nuclear?
- Japan ranks 6th out of 213 countries with data for 2025.
- Is primary energy from nuclear rising or falling in Japan?
- Over the last ten years it is up 1,979.0%. 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 Primary energy from nuclear. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 61 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Measured in terawatt-hours of total energy supply.