Bulgaria vs Czechia: Annual change in primary energy from fossil fuels
Bulgaria
3.69 terawatt-hours
in 2025
Czechia
3.61 terawatt-hours
in 2025
Bulgaria rank
31st
Czechia rank
32nd
Annual change in primary energy from fossil fuels over time
- Bulgaria
- Czechia
How they compare
Bulgaria currently reports 3.69 terawatt-hours against 3.61 terawatt-hours in Czechia, a difference of 0.08 terawatt-hours.
The two have swapped places 30 times across 60 shared years of data; in 1966 it was Bulgaria ahead.
Bulgaria ranks 31st and Czechia ranks 32nd of 76 countries.
Across the 7 decades both report, Bulgaria averaged higher in 5 and Czechia in 2.
Head to head by decade
| Decade | Bulgaria | Czechia | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 16.65 terawatt-hours | 9.95 terawatt-hours | 6.7 terawatt-hours | Bulgaria |
| 1970s | 11.03 terawatt-hours | 13.23 terawatt-hours | 2.2 terawatt-hours | Czechia |
| 1980s | 1.11 terawatt-hours | -3.84 terawatt-hours | 4.95 terawatt-hours | Bulgaria |
| 1990s | -13.77 terawatt-hours | -19.17 terawatt-hours | 5.4 terawatt-hours | Bulgaria |
| 2000s | -1.34 terawatt-hours | -0.0488 terawatt-hours | 1.29 terawatt-hours | Czechia |
| 2010s | -0.3999 terawatt-hours | -3.55 terawatt-hours | 3.15 terawatt-hours | Bulgaria |
| 2020s | -3.06 terawatt-hours | -12.13 terawatt-hours | 9.08 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, Bulgaria or Czechia?
- Bulgaria, at 3.69 terawatt-hours against 3.61 terawatt-hours in Czechia as of 2025.
- What is the difference in annual change in primary energy from fossil fuels between Bulgaria and Czechia?
- 0.08 terawatt-hours, with Bulgaria ahead.
- How many years of comparable data are there for Bulgaria and Czechia?
- 60 years are reported by both, from 1966 to 2025.
- How do Bulgaria and Czechia rank globally for annual change in primary energy from fossil fuels?
- Bulgaria ranks 31st and Czechia ranks 32nd 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.