Iran vs Slovenia: Primary energy from nuclear
Iran
16.33 terawatt-hours
in 2025
Slovenia
17.68 terawatt-hours
in 2025
Iran rank
29th
Slovenia rank
28th
Primary energy from nuclear over time
- Iran
- Slovenia
How they compare
Slovenia currently reports 17.68 terawatt-hours against 16.33 terawatt-hours in Iran, a difference of 1.35 terawatt-hours.
That makes Slovenia's figure about 1.1 times Iran's.
The two have swapped places 4 times across 36 shared years of data; in 1990 it was Slovenia ahead.
Iran ranks 29th and Slovenia ranks 28th of 213 countries.
Across the 4 decades both report, Iran averaged higher in 1 and Slovenia in 3.
Head to head by decade
| Decade | Iran | Slovenia | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 0 terawatt-hours | 14 terawatt-hours | 14 terawatt-hours | Slovenia |
| 2000s | 0 terawatt-hours | 16.77 terawatt-hours | 16.77 terawatt-hours | Slovenia |
| 2010s | 12.15 terawatt-hours | 17.67 terawatt-hours | 5.52 terawatt-hours | Slovenia |
| 2020s | 17.93 terawatt-hours | 17.65 terawatt-hours | 0.2808 terawatt-hours | Iran |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher primary energy from nuclear, Iran or Slovenia?
- Slovenia, at 17.68 terawatt-hours against 16.33 terawatt-hours in Iran as of 2025.
- What is the difference in primary energy from nuclear between Iran and Slovenia?
- 1.35 terawatt-hours, with Slovenia ahead.
- How many years of comparable data are there for Iran and Slovenia?
- 36 years are reported by both, from 1990 to 2025.
- How do Iran and Slovenia rank globally for primary energy from nuclear?
- Iran ranks 29th and Slovenia ranks 28th of 213 countries.
- Where does this data come from?
- Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data, published as 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 in terawatt-hours of total energy supply.