Bulgaria vs Slovakia: Primary energy use
Bulgaria
193.41 terawatt-hours
in 2025
Slovakia
179.9 terawatt-hours
in 2025
Bulgaria rank
69th
Slovakia rank
70th
Primary energy use over time
- Bulgaria
- Slovakia
How they compare
Bulgaria currently reports 193.41 terawatt-hours against 179.9 terawatt-hours in Slovakia, a difference of 13.51 terawatt-hours.
That makes Bulgaria's figure about 1.1 times Slovakia's.
The two have swapped places 2 times across 61 shared years of data; in 1965 it was Bulgaria ahead.
Bulgaria ranks 69th and Slovakia ranks 70th of 218 countries.
Bulgaria has averaged higher in every one of the 7 decades both report.
Head to head by decade
| Decade | Bulgaria | Slovakia | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 146.58 terawatt-hours | 112.29 terawatt-hours | 34.28 terawatt-hours | Bulgaria |
| 1970s | 254.59 terawatt-hours | 175.55 terawatt-hours | 79.04 terawatt-hours | Bulgaria |
| 1980s | 338.5 terawatt-hours | 229.11 terawatt-hours | 109.39 terawatt-hours | Bulgaria |
| 1990s | 260.33 terawatt-hours | 207.98 terawatt-hours | 52.35 terawatt-hours | Bulgaria |
| 2000s | 223.52 terawatt-hours | 212.76 terawatt-hours | 10.76 terawatt-hours | Bulgaria |
| 2010s | 210.62 terawatt-hours | 189.14 terawatt-hours | 21.47 terawatt-hours | Bulgaria |
| 2020s | 202.17 terawatt-hours | 183.35 terawatt-hours | 18.82 terawatt-hours | Bulgaria |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher primary energy use, Bulgaria or Slovakia?
- Bulgaria, at 193.41 terawatt-hours against 179.9 terawatt-hours in Slovakia as of 2025.
- What is the difference in primary energy use between Bulgaria and Slovakia?
- 13.51 terawatt-hours, with Bulgaria ahead.
- How many years of comparable data are there for Bulgaria and Slovakia?
- 61 years are reported by both, from 1965 to 2025.
- How do Bulgaria and Slovakia rank globally for primary energy use?
- Bulgaria ranks 69th and Slovakia ranks 70th of 218 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 Primary energy use. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Measured in terawatt-hours of total energy supply.