Bulgaria vs Estonia: Annual change in primary energy from gas

Bulgaria
-0.2432 terawatt-hours
in 2025
Estonia
-0.3319 terawatt-hours
in 2025
Bulgaria rank
45th
Estonia rank
47th

Annual change in primary energy from gas over time

  • Bulgaria
  • Estonia
-10-50510196619952025

How they compare

Bulgaria currently reports -0.2432 terawatt-hours against -0.3319 terawatt-hours in Estonia, a difference of 0.0887 terawatt-hours.

The two have swapped places 20 times across 40 shared years of data; in 1986 it was Bulgaria ahead.

Bulgaria ranks 45th and Estonia ranks 47th of 77 countries.

Across the 5 decades both report, Bulgaria averaged higher in 3 and Estonia in 2.

Head to head by decade

Decade Bulgaria Estonia Difference Ahead
1980s 1.44 terawatt-hours 0.1585 terawatt-hours 1.28 terawatt-hours Bulgaria
1990s -2.81 terawatt-hours -0.4423 terawatt-hours 2.37 terawatt-hours Estonia
2000s -0.7015 terawatt-hours -0.059 terawatt-hours 0.6424 terawatt-hours Estonia
2010s 0.4045 terawatt-hours -0.1447 terawatt-hours 0.5492 terawatt-hours Bulgaria
2020s -0.2367 terawatt-hours -0.2621 terawatt-hours 0.0254 terawatt-hours Bulgaria

Averages of every year both report within each decade.

Frequently asked questions

Which has higher annual change in primary energy from gas, Bulgaria or Estonia?
Bulgaria, at -0.2432 terawatt-hours against -0.3319 terawatt-hours in Estonia as of 2025.
What is the difference in annual change in primary energy from gas between Bulgaria and Estonia?
0.0887 terawatt-hours, with Bulgaria ahead.
How many years of comparable data are there for Bulgaria and Estonia?
40 years are reported by both, from 1986 to 2025.
How do Bulgaria and Estonia rank globally for annual change in primary energy from gas?
Bulgaria ranks 45th and Estonia ranks 47th of 77 countries.
Where does this data come from?
Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data, published as Annual change in primary energy from gas. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Bulgaria vs Estonia: Annual change in primary energy from gas. Statizoid, drawing on Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data. Retrieved 23 September 2026, from https://reference.statizoid.com/compare/annual-change-gas/bulgaria/estonia/

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About this data

Indicator
Annual change in primary energy from gas
Unit
terawatt-hours
Source
Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
79 places, 4,097 data points, 1966–2025
Last refreshed

Change in total energy supply relative to the previous year, measured in terawatt-hours.