Bulgaria vs Mongolia: Annual change in primary energy use
Bulgaria
3.88 terawatt-hours
in 2025
Mongolia
4.16 terawatt-hours
in 2024
Bulgaria rank
49th
Mongolia rank
46th
Annual change in primary energy use over time
- Bulgaria
- Mongolia
How they compare
Mongolia currently reports 4.16 terawatt-hours against 3.88 terawatt-hours in Bulgaria, a difference of 0.28 terawatt-hours.
That makes Mongolia's figure about 1.1 times Bulgaria's.
The two have swapped places 22 times across 44 shared years of data; in 1981 it was Mongolia ahead.
Bulgaria ranks 49th and Mongolia ranks 46th of 219 countries.
Across the 5 decades both report, Bulgaria averaged higher in 1 and Mongolia in 4.
Head to head by decade
| Decade | Bulgaria | Mongolia | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 2.1 terawatt-hours | 0.8645 terawatt-hours | 1.24 terawatt-hours | Bulgaria |
| 1990s | -13.39 terawatt-hours | -0.9972 terawatt-hours | 12.39 terawatt-hours | Mongolia |
| 2000s | -1.41 terawatt-hours | 1.02 terawatt-hours | 2.43 terawatt-hours | Mongolia |
| 2010s | 0.9414 terawatt-hours | 3.59 terawatt-hours | 2.65 terawatt-hours | Mongolia |
| 2020s | -4.15 terawatt-hours | 2.87 terawatt-hours | 7.02 terawatt-hours | Mongolia |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual change in primary energy use, Bulgaria or Mongolia?
- Mongolia, at 4.16 terawatt-hours against 3.88 terawatt-hours in Bulgaria as of 2024.
- What is the difference in annual change in primary energy use between Bulgaria and Mongolia?
- 0.28 terawatt-hours, with Mongolia ahead.
- How many years of comparable data are there for Bulgaria and Mongolia?
- 44 years are reported by both, from 1981 to 2024.
- How do Bulgaria and Mongolia rank globally for annual change in primary energy use?
- Bulgaria ranks 49th and Mongolia ranks 46th 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.