Slovenia vs Ukraine: Share of primary energy from nuclear
Slovenia
25.7%
in 2025
Ukraine
24.8%
in 2025
Slovenia rank
5th
Ukraine rank
6th
Share of primary energy from nuclear over time
- Slovenia
- Ukraine
How they compare
Slovenia currently reports 25.7% against 24.8% in Ukraine, a difference of 0.9%.
The two have swapped places 8 times across 36 shared years of data; in 1990 it was Slovenia ahead.
Slovenia ranks 5th and Ukraine ranks 6th of 215 countries.
Across the 4 decades both report, Slovenia averaged higher in 3 and Ukraine in 1.
Head to head by decade
| Decade | Slovenia | Ukraine | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 20.6% | 11.3% | 9.2% | Slovenia |
| 2000s | 21.2% | 16.4% | 4.8% | Slovenia |
| 2010s | 23.3% | 22.1% | 1.1% | Slovenia |
| 2020s | 25.4% | 25.9% | 0.5% | Ukraine |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of primary energy from nuclear, Slovenia or Ukraine?
- Slovenia, at 25.7% against 24.8% in Ukraine as of 2025.
- What is the difference in share of primary energy from nuclear between Slovenia and Ukraine?
- 0.9%, with Slovenia ahead.
- How many years of comparable data are there for Slovenia and Ukraine?
- 36 years are reported by both, from 1990 to 2025.
- How do Slovenia and Ukraine rank globally for share of primary energy from nuclear?
- Slovenia ranks 5th and Ukraine ranks 6th 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.