Slovakia vs Ukraine: Share of primary energy from nuclear
Slovakia
32.5%
in 2025
Ukraine
24.8%
in 2025
Slovakia rank
3rd
Ukraine rank
6th
Share of primary energy from nuclear over time
- Slovakia
- Ukraine
How they compare
Slovakia currently reports 32.5% against 24.8% in Ukraine, a difference of 7.7%.
That makes Slovakia's figure about 1.3 times Ukraine's.
The two have swapped places 6 times across 41 shared years of data; in 1985 it was Slovakia ahead.
Slovakia ranks 3rd and Ukraine ranks 6th of 215 countries.
Slovakia has averaged higher in every one of the 5 decades both report.
Head to head by decade
| Decade | Slovakia | Ukraine | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 14.1% | 6.2% | 8.0% | Slovakia |
| 1990s | 17.1% | 11.3% | 5.8% | Slovakia |
| 2000s | 23.9% | 16.4% | 7.6% | Slovakia |
| 2010s | 24.4% | 22.1% | 2.2% | Slovakia |
| 2020s | 28.4% | 25.9% | 2.6% | Slovakia |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of primary energy from nuclear, Slovakia or Ukraine?
- Slovakia, at 32.5% against 24.8% in Ukraine as of 2025.
- What is the difference in share of primary energy from nuclear between Slovakia and Ukraine?
- 7.7%, with Slovakia ahead.
- How many years of comparable data are there for Slovakia and Ukraine?
- 41 years are reported by both, from 1985 to 2025.
- How do Slovakia and Ukraine rank globally for share of primary energy from nuclear?
- Slovakia ranks 3rd 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.