Annual percentage change in primary energy from low-carbon energy in Bulgaria
Bulgaria: Annual percentage change in primary energy from low-carbon energy was 0.3% in 2025. ◆ Volatile
Annual percentage change in primary energy from low-carbon energy in Bulgaria, 1966–2025
Source: Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data. Measured in %.
Analysis
Bulgaria recorded 0.3% for annual percentage change in primary energy from low-carbon energy in 2025.
The figure is up 197.1% on the previous year and down 63.7% over ten years.
Over the whole period, annual percentage change in primary energy from low-carbon energy in Bulgaria peaked at 108.3% in 1975 and was at its lowest, -35.5%, in 1968.
That places Bulgaria 51st out of 77 countries with data for 2025, putting it in the middle of the range.
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 | 1.6% | -35.5% | 40.9% | 4 |
| 1970s | 33.5% | -3.5% | 108.3% | 10 |
| 1980s | 8.7% | -8.5% | 39.5% | 10 |
| 1990s | 1.3% | -12.6% | 19.6% | 10 |
| 2000s | 0.6% | -25.4% | 13.9% | 10 |
| 2010s | 2.5% | -5.2% | 13.2% | 10 |
| 2020s | 0.4% | -2.1% | 6.7% | 6 |
Countries ranked near Bulgaria
More climate change data for Bulgaria
- Emissions from livestock — Emissions (CO2eq) (AR5) — FAO TIER 1 2,923 kt (2050)
- Emissions from livestock — Emissions (CO2eq) from N2O (AR5) — FAO 704.34 kt (2050)
- Emissions from livestock — Emissions (CO2eq) from CH4 (AR5) — FAO 2,219 kt (2050)
- Emissions from livestock — Emissions (N2O) — FAO TIER 1 2.66 kt (2050)
- Emissions from livestock — Emissions (CH4) — FAO TIER 1 79.24 kt (2050)
- Emissions from crops — Emissions (CO2eq) (AR5) — FAO TIER 1 1,439 kt (2050)
- Emissions from crops — Emissions (CO2eq) from N2O (AR5) — FAO TIER 1 1,346 kt (2050)
- Emissions from crops — Emissions (CO2eq) from CH4 (AR5) — FAO TIER 1 92.96 kt (2050)
- Emissions from crops — Emissions (N2O) — FAO TIER 1 5.08 kt (2050)
- Emissions from crops — Emissions (CH4) — FAO TIER 1 3.32 kt (2050)
Frequently asked questions
- What is annual percentage change in primary energy from low-carbon energy in Bulgaria?
- Annual percentage change in primary energy from low-carbon energy in Bulgaria was 0.3% in 2025, according to Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data.
- What is the highest annual percentage change in primary energy from low-carbon energy recorded in Bulgaria?
- The highest recorded value was 108.3% in 1975.
- What is the lowest annual percentage change in primary energy from low-carbon energy recorded in Bulgaria?
- The lowest recorded value was -35.5% in 1968.
- How does Bulgaria rank for annual percentage change in primary energy from low-carbon energy?
- Bulgaria ranks 51st out of 77 countries with data for 2025.
- Is annual percentage change in primary energy from low-carbon energy rising or falling in Bulgaria?
- Over the last ten years it is down 63.7%. 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) – with major processing by Our World in Data, published as part of Annual percentage change in primary energy from low-carbon energy. Statizoid updates them automatically from the source API.
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CSV · JSON — 60 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Percentage change in total energy supply relative to the previous year.