Annual percentage change in primary energy from coal in Bulgaria
Bulgaria: Annual percentage change in primary energy from coal was 10.6% in 2025. ◆ Volatile
Annual percentage change in primary energy from coal in Bulgaria, 1966–2025
Source: Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data. Measured in %.
Analysis
The most recent figure for annual percentage change in primary energy from coal in Bulgaria is 10.6%, measured in 2025.
The figure is up 161.1% on the previous year and up 228.8% over ten years.
Over the whole period, annual percentage change in primary energy from coal in Bulgaria peaked at 26.1% in 2021 and was at its lowest, -40.9%, in 2023.
Bulgaria ranks 9th of 78 countries on this measure, in the top quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Annual percentage change in primary energy from coal in Bulgaria, year by year
| Year | % | Change |
|---|---|---|
| 1966 | 3.1% | — |
| 1967 | 8.6% | +175.4% |
| 1968 | 8.6% | +0.6% |
| 1969 | 0.5% | -93.8% |
| 1970 | 9.4% | +1654.7% |
| 1971 | -1.3% | -113.8% |
| 1972 | 3.1% | -336.7% |
| 1973 | 0.8% | -74.8% |
| 1974 | -1.7% | -320.5% |
| 1975 | 4.8% | -384.1% |
| 1976 | -6.8% | -240.3% |
| 1977 | -0.4% | -94.0% |
| 1978 | 6.6% | -1734.7% |
| 1979 | 3.1% | -53.0% |
| 1980 | 4.9% | +57.2% |
| 1981 | 1.5% | -68.4% |
| 1982 | 5.1% | +227.8% |
| 1983 | -0.4% | -107.6% |
| 1984 | 0.2% | -140.7% |
| 1985 | 4.4% | +2709.0% |
| 1986 | 2.8% | -36.2% |
| 1987 | -0.1% | -103.1% |
| 1988 | -6.8% | +7774.3% |
| 1989 | 2.1% | -130.2% |
| 1990 | -16.1% | -878.7% |
| 1991 | -10.6% | -33.9% |
| 1992 | 5.2% | -148.6% |
| 1993 | 7.7% | +48.7% |
| 1994 | -8.5% | -210.3% |
| 1995 | 0.0% | -100.1% |
| 1996 | -0.4% | -3524.4% |
| 1997 | 14.0% | -3395.3% |
| 1998 | -4.8% | -133.9% |
| 1999 | -17.7% | +271.2% |
| 2000 | -7.6% | -56.7% |
| 2001 | 14.0% | -282.9% |
| 2002 | -7.9% | -156.6% |
| 2003 | 12.0% | -251.2% |
| 2004 | -4.4% | -137.2% |
| 2005 | -2.1% | -53.8% |
| 2006 | 1.5% | -175.1% |
| 2007 | 12.5% | +711.8% |
| 2008 | -4.7% | -137.4% |
| 2009 | -15.8% | +238.1% |
| 2010 | 8.5% | -153.6% |
| 2011 | 17.6% | +107.8% |
| 2012 | -14.6% | -182.7% |
| 2013 | -14.1% | -3.5% |
| 2014 | 6.8% | -148.7% |
| 2015 | 3.2% | -52.8% |
| 2016 | -13.1% | -506.7% |
| 2017 | 7.2% | -154.9% |
| 2018 | -10.6% | -247.6% |
| 2019 | -6.8% | -36.5% |
| 2020 | -18.3% | +170.6% |
| 2021 | 26.1% | -242.7% |
| 2022 | 19.1% | -26.6% |
| 2023 | -40.9% | -313.4% |
| 2024 | -17.4% | -57.5% |
| 2025 | 10.6% | -161.1% |
Bulgaria compared with similar countries
- Bulgaria's 10.6% is above the median for high income countries, which is -4.5%. (46 countries reporting)
- Bulgaria's 10.6% is above the median for Europe & Central Asia, which is -5.1%. (39 countries reporting)
Biggest year-on-year movements
Years where Annual percentage change in primary energy from coal in Bulgaria changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 1988 | -7774.3% | -0.1% | -6.8% |
| 1996 | -3524.4% | 0.0% | -0.4% |
| 1997 | +3395.3% | -0.4% | 14.0% |
| 1985 | +2709.0% | 0.2% | 4.4% |
| 1978 | +1734.7% | -0.4% | 6.6% |
| 1970 | +1654.7% | 0.5% | 9.4% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 5.2% | 0.5% | 8.6% | 4 |
| 1970s | 1.8% | -6.8% | 9.4% | 10 |
| 1980s | 1.4% | -6.8% | 5.1% | 10 |
| 1990s | -3.1% | -17.7% | 14.0% | 10 |
| 2000s | -0.3% | -15.8% | 14.0% | 10 |
| 2010s | -1.6% | -14.6% | 17.6% | 10 |
| 2020s | -3.4% | -40.9% | 26.1% | 6 |
Countries ranked near Bulgaria
More energy & mining data for Bulgaria
- Fossil fuel consumption by fuel, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Primary energy use, annual growth rate 2.05 % change on previous year (2025)
- Coal consumption, per capita 0 terawatt-hours per person (2025)
- Coal consumption, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Primary energy use, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Primary energy use, per capita 0 terawatt-hours per person (2025)
- Coal production, per capita 0 terawatt-hours per person (2025)
- Coal production, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Fossil fuel consumption by fuel, per capita 0 terawatt-hours per person (2025)
- Fuel imports 12.3% (2024)
Frequently asked questions
- What is annual percentage change in primary energy from coal in Bulgaria?
- Annual percentage change in primary energy from coal in Bulgaria was 10.6% in 2025, according to Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data.
- What is the highest annual percentage change in primary energy from coal recorded in Bulgaria?
- The highest recorded value was 26.1% in 2021.
- What is the lowest annual percentage change in primary energy from coal recorded in Bulgaria?
- The lowest recorded value was -40.9% in 2023.
- How does Bulgaria rank for annual percentage change in primary energy from coal?
- Bulgaria ranks 9th out of 78 countries with data for 2025.
- Is annual percentage change in primary energy from coal rising or falling in Bulgaria?
- Over the last ten years it is up 228.8%. 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) – with major processing by Our World in Data, published as part of Annual percentage change in primary energy from coal. Statizoid updates them automatically from the source API.
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About this data
Percentage change in total energy supply relative to the previous year.