Brunei vs Bulgaria: Annual change in primary energy use
Brunei
3.97 terawatt-hours
in 2024
Bulgaria
3.88 terawatt-hours
in 2025
Brunei rank
48th
Bulgaria rank
49th
Annual change in primary energy use over time
- Brunei
- Bulgaria
How they compare
Brunei currently reports 3.97 terawatt-hours against 3.88 terawatt-hours in Bulgaria, a difference of 0.09 terawatt-hours.
The two have swapped places 24 times across 44 shared years of data; in 1981 it was Brunei ahead.
Brunei ranks 48th and Bulgaria ranks 49th of 219 countries.
Across the 5 decades both report, Brunei averaged higher in 4 and Bulgaria in 1.
Head to head by decade
| Decade | Brunei | Bulgaria | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 0.018 terawatt-hours | 2.1 terawatt-hours | 2.08 terawatt-hours | Bulgaria |
| 1990s | -0.5003 terawatt-hours | -13.39 terawatt-hours | 12.89 terawatt-hours | Brunei |
| 2000s | 1.8 terawatt-hours | -1.41 terawatt-hours | 3.2 terawatt-hours | Brunei |
| 2010s | 1.66 terawatt-hours | 0.9414 terawatt-hours | 0.7193 terawatt-hours | Brunei |
| 2020s | 0.5187 terawatt-hours | -4.15 terawatt-hours | 4.67 terawatt-hours | Brunei |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual change in primary energy use, Brunei or Bulgaria?
- Brunei, at 3.97 terawatt-hours against 3.88 terawatt-hours in Bulgaria as of 2024.
- What is the difference in annual change in primary energy use between Brunei and Bulgaria?
- 0.09 terawatt-hours, with Brunei ahead.
- How many years of comparable data are there for Brunei and Bulgaria?
- 44 years are reported by both, from 1981 to 2024.
- How do Brunei and Bulgaria rank globally for annual change in primary energy use?
- Brunei ranks 48th and Bulgaria ranks 49th of 219 countries.
- Where does this data come from?
- Energy Institute – Statistical Review of World Energy (2026); U.S. Energy Information Administration (2026) – with major processing by Our World in Data, published as Annual change in primary energy use. 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.