Bulgaria vs Switzerland: Fossil fuel supply by source
Bulgaria
26.89 terawatt-hours
in 2025
Switzerland
30.72 terawatt-hours
in 2025
Bulgaria rank
65th
Switzerland rank
63rd
Fossil fuel supply by source over time
- Bulgaria
- Switzerland
How they compare
Switzerland currently reports 30.72 terawatt-hours against 26.89 terawatt-hours in Bulgaria, a difference of 3.83 terawatt-hours.
That makes Switzerland's figure about 1.1 times Bulgaria's.
The two have swapped places 5 times across 58 shared years of data; in 1968 it was Bulgaria ahead.
Bulgaria ranks 65th and Switzerland ranks 63rd of 77 countries.
Across the 7 decades both report, Bulgaria averaged higher in 4 and Switzerland in 3.
Head to head by decade
| Decade | Bulgaria | Switzerland | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 3.99 terawatt-hours | 0.0013 terawatt-hours | 3.99 terawatt-hours | Bulgaria |
| 1970s | 12.66 terawatt-hours | 4 terawatt-hours | 8.66 terawatt-hours | Bulgaria |
| 1980s | 50.13 terawatt-hours | 12.53 terawatt-hours | 37.6 terawatt-hours | Bulgaria |
| 1990s | 46.86 terawatt-hours | 22.34 terawatt-hours | 24.52 terawatt-hours | Bulgaria |
| 2000s | 29.96 terawatt-hours | 30.72 terawatt-hours | 0.7651 terawatt-hours | Switzerland |
| 2010s | 29.27 terawatt-hours | 33.72 terawatt-hours | 4.46 terawatt-hours | Switzerland |
| 2020s | 28.09 terawatt-hours | 32.5 terawatt-hours | 4.41 terawatt-hours | Switzerland |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher fossil fuel supply by source, Bulgaria or Switzerland?
- Switzerland, at 30.72 terawatt-hours against 26.89 terawatt-hours in Bulgaria as of 2025.
- What is the difference in fossil fuel supply by source between Bulgaria and Switzerland?
- 3.83 terawatt-hours, with Switzerland ahead.
- How many years of comparable data are there for Bulgaria and Switzerland?
- 58 years are reported by both, from 1968 to 2025.
- How do Bulgaria and Switzerland rank globally for fossil fuel supply by source?
- Bulgaria ranks 65th and Switzerland ranks 63rd of 77 countries.
- Where does this data come from?
- Energy Institute - Statistical Review of World Energy (2026); Smil (2017) β with major processing by Our World in Data, published as Fossil fuel supply by source. 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.