Bulgaria vs Norway: Annual change in primary energy from fossil fuels
Bulgaria
3.69 terawatt-hours
in 2025
Norway
2.25 terawatt-hours
in 2025
Bulgaria rank
31st
Norway rank
33rd
Annual change in primary energy from fossil fuels over time
- Bulgaria
- Norway
How they compare
Bulgaria currently reports 3.69 terawatt-hours against 2.25 terawatt-hours in Norway, a difference of 1.44 terawatt-hours.
That makes Bulgaria's figure about 1.6 times Norway's.
The two have swapped places 23 times across 48 shared years of data; in 1978 it was Norway ahead.
Bulgaria ranks 31st and Norway ranks 33rd of 76 countries.
Across the 6 decades both report, Bulgaria averaged higher in 3 and Norway in 3.
Head to head by decade
| Decade | Bulgaria | Norway | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 10.97 terawatt-hours | 8.76 terawatt-hours | 2.2 terawatt-hours | Bulgaria |
| 1980s | 1.11 terawatt-hours | 0.4058 terawatt-hours | 0.7015 terawatt-hours | Bulgaria |
| 1990s | -13.77 terawatt-hours | 2.99 terawatt-hours | 16.76 terawatt-hours | Norway |
| 2000s | -1.34 terawatt-hours | -0.4543 terawatt-hours | 0.888 terawatt-hours | Norway |
| 2010s | -0.3999 terawatt-hours | 0.3832 terawatt-hours | 0.783 terawatt-hours | Norway |
| 2020s | -3.06 terawatt-hours | -3.75 terawatt-hours | 0.6913 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 Norway?
- Bulgaria, at 3.69 terawatt-hours against 2.25 terawatt-hours in Norway as of 2025.
- What is the difference in annual change in primary energy from fossil fuels between Bulgaria and Norway?
- 1.44 terawatt-hours, with Bulgaria ahead.
- How many years of comparable data are there for Bulgaria and Norway?
- 48 years are reported by both, from 1978 to 2025.
- How do Bulgaria and Norway rank globally for annual change in primary energy from fossil fuels?
- Bulgaria ranks 31st and Norway ranks 33rd 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.