Romania vs Slovenia: Share of primary energy from oil
Romania
42.2%
in 2025
Slovenia
42.1%
in 2025
Romania rank
32nd
Slovenia rank
33rd
Share of primary energy from oil over time
- Romania
- Slovenia
How they compare
Romania currently reports 42.2% against 42.1% in Slovenia, a difference of 0.1%.
The two have swapped places 1 time across 36 shared years of data; in 1990 it was Slovenia ahead.
Romania ranks 32nd and Slovenia ranks 33rd of 80 countries.
Slovenia has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | Romania | Slovenia | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 29.8% | 37.7% | 7.9% | Slovenia |
| 2000s | 29.8% | 38.6% | 8.9% | Slovenia |
| 2010s | 30.5% | 39.3% | 8.8% | Slovenia |
| 2020s | 39.0% | 39.1% | 0.0% | Slovenia |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of primary energy from oil, Romania or Slovenia?
- Romania, at 42.2% against 42.1% in Slovenia as of 2025.
- What is the difference in share of primary energy from oil between Romania and Slovenia?
- 0.1%, with Romania ahead.
- How many years of comparable data are there for Romania and Slovenia?
- 36 years are reported by both, from 1990 to 2025.
- How do Romania and Slovenia rank globally for share of primary energy from oil?
- Romania ranks 32nd and Slovenia ranks 33rd 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 from oil. 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.