Hungary vs Slovenia: Annual change in primary energy from fossil fuels

Hungary
-1.51 terawatt-hours
in 2025
Slovenia
-1.27 terawatt-hours
in 2025
Hungary rank
47th
Slovenia rank
44th

Annual change in primary energy from fossil fuels over time

  • Hungary
  • Slovenia
-20-1001020196619952025

How they compare

Slovenia currently reports -1.27 terawatt-hours against -1.51 terawatt-hours in Hungary, a difference of 0.24 terawatt-hours.

The two have swapped places 16 times across 35 shared years of data; in 1991 it was Slovenia ahead.

Hungary ranks 47th and Slovenia ranks 44th of 76 countries.

Across the 4 decades both report, Hungary averaged higher in 1 and Slovenia in 3.

Head to head by decade

Decade Hungary Slovenia Difference Ahead
1990s -3.61 terawatt-hours 0.7964 terawatt-hours 4.41 terawatt-hours Slovenia
2000s -2.69 terawatt-hours 0.1889 terawatt-hours 2.87 terawatt-hours Slovenia
2010s -0.4482 terawatt-hours -0.5807 terawatt-hours 0.1325 terawatt-hours Hungary
2020s -5.81 terawatt-hours -1.26 terawatt-hours 4.55 terawatt-hours Slovenia

Averages of every year both report within each decade.

Frequently asked questions

Which has higher annual change in primary energy from fossil fuels, Hungary or Slovenia?
Slovenia, at -1.27 terawatt-hours against -1.51 terawatt-hours in Hungary as of 2025.
What is the difference in annual change in primary energy from fossil fuels between Hungary and Slovenia?
0.24 terawatt-hours, with Slovenia ahead.
How many years of comparable data are there for Hungary and Slovenia?
35 years are reported by both, from 1991 to 2025.
How do Hungary and Slovenia rank globally for annual change in primary energy from fossil fuels?
Hungary ranks 47th and Slovenia ranks 44th of 76 countries.
Where does this data come from?
Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data, published as Annual change in primary energy from fossil fuels. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Hungary vs Slovenia: Annual change in primary energy from fossil fuels. Statizoid, drawing on Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data. Retrieved 26 August 2026, from https://energy.statizoid.com/compare/annual-change-fossil-fuels/hungary/slovenia/

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About this data

Indicator
Annual change in primary energy from fossil fuels
Unit
terawatt-hours
Source
Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
78 places, 3,835 data points, 1966–2025
Last refreshed

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