Share of primary energy from fossil fuels in Bulgaria
Bulgaria: Share of primary energy from fossil fuels was 66.5% in 2025. ▼ Falling
Share of primary energy from fossil fuels in Bulgaria, 1965–2025
Source: Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data. Measured in %.
Analysis
In 2025, share of primary energy from fossil fuels in Bulgaria stood at 66.5%.
The figure is up 0.9% on the previous year and down 9.5% over ten years.
Over the whole period, share of primary energy from fossil fuels in Bulgaria peaked at 99.2% in 1968 and was at its lowest, 65.9%, in 2024.
That places Bulgaria 65th out of 75 countries with data for 2025, putting it in the bottom quarter.
The long-run direction has been consistently falling across the 61 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 98.7% | 98.3% | 99.2% | 5 |
| 1970s | 96.2% | 92.6% | 99.0% | 10 |
| 1980s | 88.5% | 85.5% | 93.2% | 10 |
| 1990s | 81.0% | 76.4% | 85.8% | 10 |
| 2000s | 74.8% | 71.0% | 79.6% | 10 |
| 2010s | 73.1% | 69.9% | 76.1% | 10 |
| 2020s | 67.6% | 65.9% | 70.7% | 6 |
Countries ranked near Bulgaria
More energy & mining data for Bulgaria
- Fuel imports 12.3% (2024)
- Ores and metals imports 9.8% (2024)
- Ores and metals exports 15.6% (2024)
- Gas production 0.0968 terawatt-hours (2024)
- Fossil fuel production per person, by fuel 14.32 kilowatt-hours per person (2024)
- Fossil fuel production by fuel 0.0968 terawatt-hours (2024)
- Gas production per person 14.32 kilowatt-hours per person (2024)
- Fuel exports 7.8% (2024)
- Electric power transmission and distribution losses 5.9% (2023)
- Share of dietary energy supply from carbohydrates vs. GDP per capita 46.6% (2023)
Frequently asked questions
- What is share of primary energy from fossil fuels in Bulgaria?
- Share of primary energy from fossil fuels in Bulgaria was 66.5% in 2025, according to Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data.
- What is the highest share of primary energy from fossil fuels recorded in Bulgaria?
- The highest recorded value was 99.2% in 1968.
- What is the lowest share of primary energy from fossil fuels recorded in Bulgaria?
- The lowest recorded value was 65.9% in 2024.
- How does Bulgaria rank for share of primary energy from fossil fuels?
- Bulgaria ranks 65th out of 75 countries with data for 2025.
- Is share of primary energy from fossil fuels rising or falling in Bulgaria?
- Over the last ten years it is down 9.5%. The long-run trend across the full record is falling.
- Where does this Bulgaria data come from?
- The figures come from Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data, published as part of Share of primary energy from fossil fuels. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 61 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Measured as a percentage of total energy supply.