Share of primary energy from nuclear in OECD (EI)
OECD (EI): Share of primary energy from nuclear was 9.3% in 2025. ◆ Volatile
Share of primary energy from nuclear in OECD (EI), 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
OECD (EI) recorded 9.3% for share of primary energy from nuclear in 2025.
Compared with earlier readings it is down 0.9% on the previous year and down 2.8% over ten years.
Over the whole period, share of primary energy from nuclear in OECD (EI) peaked at 11.2% in 2001 and was at its lowest, 0.2%, in 1965.
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 | 0.4% | 0.2% | 0.5% | 5 |
| 1970s | 2.1% | 0.6% | 3.6% | 10 |
| 1980s | 7.1% | 4.0% | 9.5% | 10 |
| 1990s | 10.5% | 9.8% | 11.0% | 10 |
| 2000s | 11.0% | 10.7% | 11.2% | 10 |
| 2010s | 9.7% | 9.3% | 10.9% | 10 |
| 2020s | 9.3% | 8.9% | 9.7% | 6 |
Countries ranked near OECD (EI)
More energy & mining data for OECD (EI)
- Fossil fuel production by fuel 16,830 terawatt-hours (2025)
- Gas production 16,830 terawatt-hours (2025)
- Share of electricity generation from fossil fuels 47.5% (2025)
- Electricity generation from nuclear 1,879 terawatt-hours (2025)
- Coal production 7,718 terawatt-hours (2025)
- Coal production 7,718 terawatt-hours (2025)
- Oil consumption 24,349 terawatt-hours (2025)
- Fossil fuel consumption by fuel 18,113 terawatt-hours (2025)
- Primary energy from fossil fuels, nuclear, and renewables 9.3% (2025)
- Primary energy use 61,079 terawatt-hours (2025)
Frequently asked questions
- What is share of primary energy from nuclear in OECD (EI)?
- Share of primary energy from nuclear in OECD (EI) was 9.3% 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 OECD (EI)?
- The highest recorded value was 11.2% in 2001.
- What is the lowest share of primary energy from nuclear recorded in OECD (EI)?
- The lowest recorded value was 0.2% in 1965.
- How does OECD (EI) rank for share of primary energy from nuclear?
- OECD (EI) ranks 1st out of 3 groups with data for 2025.
- Is share of primary energy from nuclear rising or falling in OECD (EI)?
- Over the last ten years it is down 2.8%. The long-run trend across the full record is volatile.
- Where does this OECD (EI) 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.