Bulgaria vs Greece: Annual change in primary energy from fossil fuels
Bulgaria
3.69 terawatt-hours
in 2025
Greece
3.87 terawatt-hours
in 2025
Bulgaria rank
31st
Greece rank
30th
Annual change in primary energy from fossil fuels over time
- Bulgaria
- Greece
How they compare
Greece currently reports 3.87 terawatt-hours against 3.69 terawatt-hours in Bulgaria, a difference of 0.18 terawatt-hours.
The two have swapped places 14 times across 43 shared years of data; in 1983 it was Greece ahead.
Bulgaria ranks 31st and Greece ranks 30th of 76 countries.
Across the 5 decades both report, Bulgaria averaged higher in 1 and Greece in 4.
Head to head by decade
| Decade | Bulgaria | Greece | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 0.3406 terawatt-hours | 11.83 terawatt-hours | 11.49 terawatt-hours | Greece |
| 1990s | -13.77 terawatt-hours | 6.81 terawatt-hours | 20.58 terawatt-hours | Greece |
| 2000s | -1.34 terawatt-hours | 3.31 terawatt-hours | 4.66 terawatt-hours | Greece |
| 2010s | -0.3999 terawatt-hours | -10.07 terawatt-hours | 9.67 terawatt-hours | Bulgaria |
| 2020s | -3.06 terawatt-hours | -2.72 terawatt-hours | 0.333 terawatt-hours | Greece |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual change in primary energy from fossil fuels, Bulgaria or Greece?
- Greece, at 3.87 terawatt-hours against 3.69 terawatt-hours in Bulgaria as of 2025.
- What is the difference in annual change in primary energy from fossil fuels between Bulgaria and Greece?
- 0.18 terawatt-hours, with Greece ahead.
- How many years of comparable data are there for Bulgaria and Greece?
- 43 years are reported by both, from 1983 to 2025.
- How do Bulgaria and Greece rank globally for annual change in primary energy from fossil fuels?
- Bulgaria ranks 31st and Greece ranks 30th 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.