Iceland vs Iran: Share of primary energy from nuclear
Iceland
0.0%
in 2025
Iran
0.4%
in 2025
Iceland rank
32nd
Iran rank
31st
Share of primary energy from nuclear over time
- Iceland
- Iran
How they compare
Iran currently reports 0.4% against 0.0% in Iceland, a difference of 0.4%.
Across all 61 years both countries report, Iran has been ahead every year.
Iceland ranks 32nd and Iran ranks 31st of 215 countries.
Iran has averaged higher in every one of the 7 decades both report.
Head to head by decade
| Decade | Iceland | Iran | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 0.0% | 0.0% | 0.0% | — |
| 1970s | 0.0% | 0.0% | 0.0% | — |
| 1980s | 0.0% | 0.0% | 0.0% | — |
| 1990s | 0.0% | 0.0% | 0.0% | — |
| 2000s | 0.0% | 0.0% | 0.0% | — |
| 2010s | 0.0% | 0.4% | 0.4% | Iran |
| 2020s | 0.0% | 0.5% | 0.5% | Iran |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of primary energy from nuclear, Iceland or Iran?
- Iran, at 0.4% against 0.0% in Iceland as of 2025.
- What is the difference in share of primary energy from nuclear between Iceland and Iran?
- 0.4%, with Iran ahead.
- How many years of comparable data are there for Iceland and Iran?
- 61 years are reported by both, from 1965 to 2025.
- How do Iceland and Iran rank globally for share of primary energy from nuclear?
- Iceland ranks 32nd and Iran ranks 31st 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.