Share of primary energy use by source in Bulgaria

Bulgaria: Share of primary energy use by source was 13.9% in 2025. ▲ Rising

Latest (2025)
13.9%
Change on year
down 2.9%
World rank
57th
of 76 countries
All-time high
20.4%
in 1991
All-time low
0.5%
in 1965
Years of data
61
1965–2025

Share of primary energy use by source in Bulgaria, 1965–2025

05101520196519952025

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

Bulgaria recorded 13.9% for share of primary energy use by source in 2025.

That represents a change of down 2.9% on the previous year and up 0.6% over ten years.

Over the whole period, share of primary energy use by source in Bulgaria peaked at 20.4% in 1991 and was at its lowest, 0.5%, in 1965.

Bulgaria ranks 57th of 76 countries on this measure, in the middle of the range.

The long-run direction has been consistently rising across the 61 years of available data.

Averages by decade

DecadeAverage LowestHighest Years
1960s 1.5% 0.5% 2.4% 5
1970s 4.5% 0.9% 9.2% 10
1980s 14.8% 11.2% 17.3% 10
1990s 17.9% 14.6% 20.4% 10
2000s 13.4% 11.6% 15.8% 10
2010s 13.9% 12.9% 14.9% 10
2020s 13.9% 12.0% 15.2% 6

Countries ranked near Bulgaria

  1. 54 South Korea 17.5% compare
  2. 55 Czechia 17.0% compare
  3. 56 Indonesia 15.1% compare
  4. 58 Slovenia 13.2% compare
  5. 59 Singapore 13.0% compare
  6. 60 Switzerland 12.6% compare

See the full ranking of 79 places →

More energy & mining data for Bulgaria

All data for Bulgaria →

Frequently asked questions

What is share of primary energy use by source in Bulgaria?
Share of primary energy use by source in Bulgaria was 13.9% 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 use by source recorded in Bulgaria?
The highest recorded value was 20.4% in 1991.
What is the lowest share of primary energy use by source recorded in Bulgaria?
The lowest recorded value was 0.5% in 1965.
How does Bulgaria rank for share of primary energy use by source?
Bulgaria ranks 57th out of 76 countries with data for 2025.
Is share of primary energy use by source rising or falling in Bulgaria?
Over the last ten years it is up 0.6%. The long-run trend across the full record is rising.
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 use by source. 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

Indicator
Share of primary energy use by source
Unit
%
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
Licence
CC BY 4.0 (Our World in Data)
Coverage
79 places, 4,176 data points, 1965–2025
Last refreshed

Measured as a percentage of total energy supply.