Annual percentage change in primary energy from gas in Bulgaria
Bulgaria: Annual percentage change in primary energy from gas was -0.9% in 2025. ◆ Volatile
Annual percentage change in primary energy from gas in Bulgaria, 1966–2025
Source: Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data. Measured in %.
Analysis
In 2025, annual percentage change in primary energy from gas in Bulgaria stood at -0.9%.
That represents a change of down 112.1% on the previous year and down 109.3% over ten years.
Over the whole period, annual percentage change in primary energy from gas in Bulgaria peaked at 204.4% in 1967 and was at its lowest, -32.6%, in 1972.
Bulgaria ranks 49th of 77 countries on this measure, in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Annual percentage change in primary energy from gas in Bulgaria, year by year
| Year | % | Change |
|---|---|---|
| 1966 | 49.2% | — |
| 1967 | 204.4% | +315.6% |
| 1968 | 53.1% | -74.0% |
| 1969 | 4.0% | -92.4% |
| 1970 | -9.8% | -343.2% |
| 1971 | -21.7% | +122.1% |
| 1972 | -32.6% | +50.7% |
| 1973 | 0.7% | -102.3% |
| 1974 | 117.9% | +15657.8% |
| 1975 | 165.6% | +40.4% |
| 1976 | 74.9% | -54.8% |
| 1977 | 27.6% | -63.1% |
| 1978 | 6.7% | -75.8% |
| 1979 | 7.0% | +4.6% |
| 1980 | 28.5% | +308.4% |
| 1981 | 8.8% | -69.2% |
| 1982 | 10.7% | +21.4% |
| 1983 | 5.1% | -52.3% |
| 1984 | 5.1% | +1.2% |
| 1985 | 9.1% | +76.5% |
| 1986 | -0.7% | -107.7% |
| 1987 | 11.5% | -1759.2% |
| 1988 | -2.9% | -124.8% |
| 1989 | 2.9% | -203.0% |
| 1990 | 6.0% | +105.5% |
| 1991 | -15.5% | -357.1% |
| 1992 | -11.5% | -26.3% |
| 1993 | -7.0% | -39.3% |
| 1994 | 0.0% | -100.6% |
| 1995 | 20.7% | +53275.9% |
| 1996 | 2.2% | -89.5% |
| 1997 | -20.2% | -1035.0% |
| 1998 | -16.3% | -19.2% |
| 1999 | -13.4% | -18.2% |
| 2000 | 8.9% | -166.8% |
| 2001 | -15.9% | -278.7% |
| 2002 | -11.3% | -28.9% |
| 2003 | 5.7% | -150.0% |
| 2004 | -2.4% | -141.7% |
| 2005 | 24.7% | -1144.0% |
| 2006 | 3.0% | -87.7% |
| 2007 | 0.8% | -74.4% |
| 2008 | 0.0% | -99.1% |
| 2009 | -28.5% | -429166.4% |
| 2010 | 10.1% | -135.6% |
| 2011 | 14.5% | +43.0% |
| 2012 | -6.8% | -147.0% |
| 2013 | -3.4% | -50.1% |
| 2014 | -0.7% | -80.5% |
| 2015 | 9.7% | -1557.3% |
| 2016 | 4.2% | -57.0% |
| 2017 | 2.8% | -31.8% |
| 2018 | -5.9% | -309.3% |
| 2019 | -6.4% | +7.0% |
| 2020 | 3.2% | -149.9% |
| 2021 | 13.1% | +311.7% |
| 2022 | -18.1% | -238.8% |
| 2023 | -6.6% | -63.8% |
| 2024 | 7.4% | -212.9% |
| 2025 | -0.9% | -112.1% |
Bulgaria compared with similar countries
- Bulgaria's -0.9% is below the median for high income countries, which is 1.1%. (45 countries reporting)
- Bulgaria's -0.9% is below the median for Europe & Central Asia, which is 0.8%. (37 countries reporting)
Biggest year-on-year movements
Years where Annual percentage change in primary energy from gas 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 |
|---|---|---|---|
| 2009 | -429166.4% | 0.0% | -28.5% |
| 1995 | +53275.9% | 0.0% | 20.7% |
| 1974 | +15657.8% | 0.7% | 117.9% |
| 1987 | +1759.2% | -0.7% | 11.5% |
| 2015 | +1557.3% | -0.7% | 9.7% |
| 2005 | +1144.0% | -2.4% | 24.7% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 77.7% | 4.0% | 204.4% | 4 |
| 1970s | 33.6% | -32.6% | 165.6% | 10 |
| 1980s | 7.8% | -2.9% | 28.5% | 10 |
| 1990s | -5.5% | -20.2% | 20.7% | 10 |
| 2000s | -1.5% | -28.5% | 24.7% | 10 |
| 2010s | 1.8% | -6.8% | 14.5% | 10 |
| 2020s | -0.3% | -18.1% | 13.1% | 6 |
Countries ranked near Bulgaria
- 46 South Korea -0.7% compare
- 47 Mexico -0.7% compare
- 48 United Kingdom -0.9% compare
- 50 Malaysia -0.9% compare
- 51 Australia -1.1% compare
- 52 Switzerland -1.3% compare
More reference data data for Bulgaria
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.3067 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 0.2728 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 1.73 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0.2506 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 1.73 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 1.03 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 0.608 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 1.02 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 7.74 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 1.36 (2050)
Frequently asked questions
- What is annual percentage change in primary energy from gas in Bulgaria?
- Annual percentage change in primary energy from gas in Bulgaria was -0.9% 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 gas recorded in Bulgaria?
- The highest recorded value was 204.4% in 1967.
- What is the lowest annual percentage change in primary energy from gas recorded in Bulgaria?
- The lowest recorded value was -32.6% in 1972.
- How does Bulgaria rank for annual percentage change in primary energy from gas?
- Bulgaria ranks 49th out of 77 countries with data for 2025.
- Is annual percentage change in primary energy from gas rising or falling in Bulgaria?
- Over the last ten years it is down 109.3%. 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 gas. 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.