Bulgaria vs Czechia: Share of primary energy from fossil fuels

Bulgaria
66.5%
in 2025
Czechia
70.2%
in 2025
Bulgaria rank
66th
Czechia rank
65th

Share of primary energy from fossil fuels over time

  • Bulgaria
  • Czechia
020406080100196519952025

How they compare

Czechia currently reports 70.2% against 66.5% in Bulgaria, a difference of 3.7%.

That makes Czechia's figure about 1.1 times Bulgaria's.

Across all 61 years both countries report, Czechia has been ahead every year.

Bulgaria ranks 66th and Czechia ranks 65th of 76 countries.

Czechia has averaged higher in every one of the 7 decades both report.

Head to head by decade

Decade Bulgaria Czechia Difference Ahead
1960s 98.7% 99.6% 0.9% Czechia
1970s 96.2% 99.7% 3.5% Czechia
1980s 88.5% 97.6% 9.1% Czechia
1990s 81.0% 91.6% 10.6% Czechia
2000s 74.8% 85.3% 10.6% Czechia
2010s 73.1% 78.1% 5.0% Czechia
2020s 67.6% 72.8% 5.2% Czechia

Averages of every year both report within each decade.

Frequently asked questions

Which has higher share of primary energy from fossil fuels, Bulgaria or Czechia?
Czechia, at 70.2% against 66.5% in Bulgaria as of 2025.
What is the difference in share of primary energy from fossil fuels between Bulgaria and Czechia?
3.7%, with Czechia ahead.
How many years of comparable data are there for Bulgaria and Czechia?
61 years are reported by both, from 1965 to 2025.
How do Bulgaria and Czechia rank globally for share of primary energy from fossil fuels?
Bulgaria ranks 66th and Czechia ranks 65th of 76 countries.
Where does this data 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 Share of primary energy from fossil fuels. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

Share, cite or embed this page

Cite this page

Bulgaria vs Czechia: Share of primary energy from fossil fuels. Statizoid, drawing on Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data. Retrieved 19 August 2026, from https://energy.statizoid.com/compare/fossil-fuels-share-energy/bulgaria/czechia/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under CC BY 4.0 (Our World in Data); please keep the attribution.

<a href="https://energy.statizoid.com/compare/fossil-fuels-share-energy/bulgaria/czechia/">Bulgaria vs Czechia: Share of primary energy from fossil fuels</a> β€” Statizoid

About this data

Indicator
Share of primary energy from fossil fuels
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
78 places, 3,914 data points, 1965–2025
Last refreshed

Measured as a percentage of total energy supply.