Austria vs Bulgaria: Annual change in primary energy from fossil fuels
Austria
2.05 terawatt-hours
in 2025
Bulgaria
3.69 terawatt-hours
in 2025
Austria rank
34th
Bulgaria rank
31st
Annual change in primary energy from fossil fuels over time
- Austria
- Bulgaria
How they compare
Bulgaria currently reports 3.69 terawatt-hours against 2.05 terawatt-hours in Austria, a difference of 1.64 terawatt-hours.
That makes Bulgaria's figure about 1.8 times Austria's.
The two have swapped places 22 times across 60 shared years of data; in 1966 it was Bulgaria ahead.
Austria ranks 34th and Bulgaria ranks 31st of 76 countries.
Across the 7 decades both report, Austria averaged higher in 3 and Bulgaria in 4.
Head to head by decade
| Decade | Austria | Bulgaria | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 7.64 terawatt-hours | 16.65 terawatt-hours | 9.02 terawatt-hours | Bulgaria |
| 1970s | 6.66 terawatt-hours | 11.03 terawatt-hours | 4.37 terawatt-hours | Bulgaria |
| 1980s | -1.54 terawatt-hours | 1.11 terawatt-hours | 2.65 terawatt-hours | Bulgaria |
| 1990s | 4.35 terawatt-hours | -13.77 terawatt-hours | 18.12 terawatt-hours | Austria |
| 2000s | 0.4142 terawatt-hours | -1.34 terawatt-hours | 1.76 terawatt-hours | Austria |
| 2010s | 0.4806 terawatt-hours | -0.3999 terawatt-hours | 0.8804 terawatt-hours | Austria |
| 2020s | -7.77 terawatt-hours | -3.06 terawatt-hours | 4.71 terawatt-hours | Bulgaria |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual change in primary energy from fossil fuels, Austria or Bulgaria?
- Bulgaria, at 3.69 terawatt-hours against 2.05 terawatt-hours in Austria as of 2025.
- What is the difference in annual change in primary energy from fossil fuels between Austria and Bulgaria?
- 1.64 terawatt-hours, with Bulgaria ahead.
- How many years of comparable data are there for Austria and Bulgaria?
- 60 years are reported by both, from 1966 to 2025.
- How do Austria and Bulgaria rank globally for annual change in primary energy from fossil fuels?
- Austria ranks 34th and Bulgaria ranks 31st of 76 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 Annual change in primary energy from fossil fuels. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Change in total energy supply relative to the previous year, measured in terawatt-hours.