Slovakia vs Slovenia: Primary energy from fossil fuels, nuclear, and renewables
Slovakia
32.5%
in 2025
Slovenia
25.7%
in 2025
Slovakia rank
3rd
Slovenia rank
5th
Primary energy from fossil fuels, nuclear, and renewables over time
- Slovakia
- Slovenia
How they compare
Slovakia currently reports 32.5% against 25.7% in Slovenia, a difference of 6.8%.
That makes Slovakia's figure about 1.3 times Slovenia's.
The two have swapped places 5 times across 36 shared years of data; in 1990 it was Slovenia ahead.
Slovakia ranks 3rd and Slovenia ranks 5th of 216 countries.
Across the 4 decades both report, Slovakia averaged higher in 3 and Slovenia in 1.
Head to head by decade
| Decade | Slovakia | Slovenia | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 17.1% | 20.6% | 3.5% | Slovenia |
| 2000s | 23.9% | 21.2% | 2.7% | Slovakia |
| 2010s | 24.4% | 23.3% | 1.1% | Slovakia |
| 2020s | 28.4% | 25.4% | 3.1% | Slovakia |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher primary energy from fossil fuels, nuclear, and renewables, Slovakia or Slovenia?
- Slovakia, at 32.5% against 25.7% in Slovenia as of 2025.
- What is the difference in primary energy from fossil fuels, nuclear, and renewables between Slovakia and Slovenia?
- 6.8%, with Slovakia ahead.
- How many years of comparable data are there for Slovakia and Slovenia?
- 36 years are reported by both, from 1990 to 2025.
- How do Slovakia and Slovenia rank globally for primary energy from fossil fuels, nuclear, and renewables?
- Slovakia ranks 3rd and Slovenia ranks 5th of 216 countries.
- Where does this data come from?
- Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) β with major processing by Our World in Data, published as Primary energy from fossil fuels, nuclear, and renewables. 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.