Finland vs OECD (EI): Share of primary energy from nuclear
Finland
33.5%
in 2025
OECD (EI)
9.3%
in 2025
Finland rank
2nd
OECD (EI) rank
1st
Share of primary energy from nuclear over time
- Finland
- OECD (EI)
How they compare
Finland currently reports 33.5% against 9.3% in OECD (EI), a difference of 24.2%.
That makes Finland's figure about 3.6 times OECD (EI)'s.
The two have swapped places 1 time across 61 shared years of data; in 1965 it was OECD (EI) ahead.
Finland ranks 2nd and OECD (EI) ranks 1st of 215 countries.
Across the 7 decades both report, Finland averaged higher in 5 and OECD (EI) in 2.
Head to head by decade
| Decade | Finland | OECD (EI) | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 0.0% | 0.4% | 0.4% | OECD (EI) |
| 1970s | 1.6% | 2.1% | 0.4% | OECD (EI) |
| 1980s | 19.8% | 7.1% | 12.7% | Finland |
| 1990s | 19.1% | 10.5% | 8.6% | Finland |
| 2000s | 19.5% | 11.0% | 8.5% | Finland |
| 2010s | 21.9% | 9.7% | 12.2% | Finland |
| 2020s | 29.4% | 9.3% | 20.1% | Finland |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of primary energy from nuclear, Finland or OECD (EI)?
- Finland, at 33.5% against 9.3% in OECD (EI) as of 2025.
- What is the difference in share of primary energy from nuclear between Finland and OECD (EI)?
- 24.2%, with Finland ahead.
- How many years of comparable data are there for Finland and OECD (EI)?
- 61 years are reported by both, from 1965 to 2025.
- How do Finland and OECD (EI) rank globally for share of primary energy from nuclear?
- Finland ranks 2nd and OECD (EI) ranks 1st of 215 countries.
- Where does this data 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 Share of primary energy from nuclear. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Measured as a percentage of total energy supply.