Romania vs Slovakia: Share of primary energy use by source
Romania
30.2%
in 2025
Slovakia
25.0%
in 2025
Romania rank
32nd
Slovakia rank
42nd
Share of primary energy use by source over time
- Romania
- Slovakia
How they compare
Romania currently reports 30.2% against 25.0% in Slovakia, a difference of 5.2%.
That makes Romania's figure about 1.2 times Slovakia's.
Across all 61 years both countries report, Romania has been ahead every year.
Romania ranks 32nd and Slovakia ranks 42nd of 80 countries.
Romania has averaged higher in every one of the 7 decades both report.
Head to head by decade
| Decade | Romania | Slovakia | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 50.9% | 4.9% | 46.0% | Romania |
| 1970s | 48.9% | 13.4% | 35.5% | Romania |
| 1980s | 47.3% | 14.9% | 32.4% | Romania |
| 1990s | 43.6% | 29.2% | 14.4% | Romania |
| 2000s | 37.1% | 30.0% | 7.1% | Romania |
| 2010s | 32.3% | 26.0% | 6.3% | Romania |
| 2020s | 30.6% | 25.0% | 5.6% | Romania |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of primary energy use by source, Romania or Slovakia?
- Romania, at 30.2% against 25.0% in Slovakia as of 2025.
- What is the difference in share of primary energy use by source between Romania and Slovakia?
- 5.2%, with Romania ahead.
- How many years of comparable data are there for Romania and Slovakia?
- 61 years are reported by both, from 1965 to 2025.
- How do Romania and Slovakia rank globally for share of primary energy use by source?
- Romania ranks 32nd and Slovakia ranks 42nd of 80 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 Share of primary energy use by source. 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.