Share of primary energy from low-carbon energy in Bulgaria
Bulgaria: Share of primary energy from low-carbon energy was 33.5% in 2025. ◆ Volatile
Share of primary energy from low-carbon energy 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
The most recent figure for share of primary energy from low-carbon energy in Bulgaria is 33.5%, measured in 2025.
Compared with earlier readings it is down 1.7% on the previous year and up 26.4% over ten years.
Over the whole period, share of primary energy from low-carbon energy in Bulgaria peaked at 34.1% in 2024 and was at its lowest, 0.8%, in 1968.
That places Bulgaria 12th out of 79 countries with data for 2025, putting it in the top quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 1.3% | 0.8% | 1.7% | 5 |
| 1970s | 3.8% | 1.0% | 7.4% | 10 |
| 1980s | 11.5% | 6.8% | 14.5% | 10 |
| 1990s | 19.0% | 14.2% | 23.6% | 10 |
| 2000s | 25.2% | 20.4% | 29.0% | 10 |
| 2010s | 26.9% | 23.9% | 30.1% | 10 |
| 2020s | 32.4% | 29.3% | 34.1% | 6 |
Countries ranked near Bulgaria
More climate change data for Bulgaria
- Share of global CO₂ emissions and population 0.0% (2100)
- Population growth -0.1% (2025)
- Population, total 6.43 million (2025)
- Urban population growth 0.2% (2025)
- Urban population 4.77 million (2025)
- Urban population 74.2% (2025)
- CO₂ emissions per capita vs. GDP per capita 4.68 tonnes per person (2024)
- Cumulative CO₂ emissions 3.98 billion tonnes (2024)
- CO₂ emissions per capita 4.68 tonnes per person (2024)
- CO₂ emissions per capita vs. share of electricity generation from renewables 4.68 tonnes per person (2024)
Frequently asked questions
- What is share of primary energy from low-carbon energy in Bulgaria?
- Share of primary energy from low-carbon energy in Bulgaria was 33.5% 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 low-carbon energy recorded in Bulgaria?
- The highest recorded value was 34.1% in 2024.
- What is the lowest share of primary energy from low-carbon energy recorded in Bulgaria?
- The lowest recorded value was 0.8% in 1968.
- How does Bulgaria rank for share of primary energy from low-carbon energy?
- Bulgaria ranks 12th out of 79 countries with data for 2025.
- Is share of primary energy from low-carbon energy rising or falling in Bulgaria?
- Over the last ten years it is up 26.4%. The long-run trend across the full record is volatile.
- 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 low-carbon energy. 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.