Bulgaria vs Portugal: Annual change in primary energy from oil
Bulgaria
0.1667 terawatt-hours
in 2025
Portugal
0.1082 terawatt-hours
in 2025
Bulgaria rank
41st
Portugal rank
43rd
Annual change in primary energy from oil over time
- Bulgaria
- Portugal
How they compare
Bulgaria currently reports 0.1667 terawatt-hours against 0.1082 terawatt-hours in Portugal, a difference of 0.0585 terawatt-hours.
That makes Bulgaria's figure about 1.5 times Portugal's.
The two have swapped places 28 times across 60 shared years of data; in 1966 it was Bulgaria ahead.
Bulgaria ranks 41st and Portugal ranks 43rd of 80 countries.
Across the 7 decades both report, Bulgaria averaged higher in 5 and Portugal in 2.
Head to head by decade
| Decade | Bulgaria | Portugal | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 11.89 terawatt-hours | 2.08 terawatt-hours | 9.81 terawatt-hours | Bulgaria |
| 1970s | 7.03 terawatt-hours | 5.46 terawatt-hours | 1.57 terawatt-hours | Bulgaria |
| 1980s | -3.34 terawatt-hours | 5.45 terawatt-hours | 8.79 terawatt-hours | Portugal |
| 1990s | -7.44 terawatt-hours | 4.58 terawatt-hours | 12.02 terawatt-hours | Portugal |
| 2000s | -0.0949 terawatt-hours | -4.09 terawatt-hours | 4 terawatt-hours | Bulgaria |
| 2010s | 0.6592 terawatt-hours | -1.29 terawatt-hours | 1.95 terawatt-hours | Bulgaria |
| 2020s | 0.4983 terawatt-hours | -2.74 terawatt-hours | 3.24 terawatt-hours | Bulgaria |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual change in primary energy from oil, Bulgaria or Portugal?
- Bulgaria, at 0.1667 terawatt-hours against 0.1082 terawatt-hours in Portugal as of 2025.
- What is the difference in annual change in primary energy from oil between Bulgaria and Portugal?
- 0.0585 terawatt-hours, with Bulgaria ahead.
- How many years of comparable data are there for Bulgaria and Portugal?
- 60 years are reported by both, from 1966 to 2025.
- How do Bulgaria and Portugal rank globally for annual change in primary energy from oil?
- Bulgaria ranks 41st and Portugal ranks 43rd 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 Annual change in primary energy from oil. 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.