Bulgaria vs Estonia: Year-to-year change in primary energy from fossil fuels vs.
Bulgaria
0.1847 terawatt-hours
in 2025
Estonia
0.1495 terawatt-hours
in 2025
Bulgaria rank
48th
Estonia rank
51st
Year-to-year change in primary energy from fossil fuels vs. over time
- Bulgaria
- Estonia
How they compare
Bulgaria currently reports 0.1847 terawatt-hours against 0.1495 terawatt-hours in Estonia, a difference of 0.0352 terawatt-hours.
That makes Bulgaria's figure about 1.2 times Estonia's.
The two have swapped places 19 times across 40 shared years of data; in 1986 it was Estonia ahead.
Bulgaria ranks 48th and Estonia ranks 51st of 80 countries.
Across the 5 decades both report, Bulgaria averaged higher in 3 and Estonia in 2.
Head to head by decade
| Decade | Bulgaria | Estonia | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 1.2 terawatt-hours | 0 terawatt-hours | 1.2 terawatt-hours | Bulgaria |
| 1990s | 0.3823 terawatt-hours | 0.0043 terawatt-hours | 0.3779 terawatt-hours | Bulgaria |
| 2000s | -0.0667 terawatt-hours | 0.1155 terawatt-hours | 0.1822 terawatt-hours | Estonia |
| 2010s | 1.34 terawatt-hours | 0.4012 terawatt-hours | 0.94 terawatt-hours | Bulgaria |
| 2020s | 0.2428 terawatt-hours | 0.2548 terawatt-hours | 0.012 terawatt-hours | Estonia |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher year-to-year change in primary energy from fossil fuels vs. low-carbon energy, Bulgaria or Estonia?
- Bulgaria, at 0.1847 terawatt-hours against 0.1495 terawatt-hours in Estonia as of 2025.
- What is the difference in year-to-year change in primary energy from fossil fuels vs. low-carbon energy between Bulgaria and Estonia?
- 0.0352 terawatt-hours, with Bulgaria ahead.
- How many years of comparable data are there for Bulgaria and Estonia?
- 40 years are reported by both, from 1986 to 2025.
- How do Bulgaria and Estonia rank globally for year-to-year change in primary energy from fossil fuels vs. low-carbon energy?
- Bulgaria ranks 48th and Estonia ranks 51st of 80 countries.
- Where does this data come from?
- Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data, published as Year-to-year change in primary energy from fossil fuels vs. low-carbon energy. 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.