Share of primary energy from fossil fuels in Slovakia

Slovakia: Share of primary energy from fossil fuels was 62.0% in 2025. β–Ό Falling

Latest (2025)
62.0%
Change on year
down 0.2%
World rank
69th
of 75 countries
All-time high
99.0%
in 1971
All-time low
62.0%
in 2025
Years of data
61
1965–2025

Share of primary energy from fossil fuels in Slovakia, 1965–2025

020406080100196519952025

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

The most recent figure for share of primary energy from fossil fuels in Slovakia is 62.0%, measured in 2025. That is the lowest value across all 61 years on record.

The figure is down 0.2% on the previous year and down 9.7% over ten years.

Over the whole period, share of primary energy from fossil fuels in Slovakia peaked at 99.0% in 1971 and was at its lowest, 62.0%, in 2025.

That places Slovakia 69th out of 75 countries with data for 2025, putting it in the bottom quarter.

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

Averages by decade

DecadeAverage LowestHighest Years
1960s 98.3% 97.8% 99.0% 5
1970s 98.3% 96.0% 99.0% 10
1980s 88.1% 84.2% 92.6% 10
1990s 81.1% 77.9% 84.5% 10
2000s 73.5% 72.2% 74.0% 10
2010s 70.2% 67.9% 73.9% 10
2020s 65.3% 62.0% 69.2% 6

Countries ranked near Slovakia

  1. 66 Denmark 66.1% compare
  2. 67 Slovenia 63.2% compare
  3. 68 Brazil 62.3% compare
  4. 70 Switzerland 56.6% compare
  5. 71 New Zealand 49.5% compare
  6. 72 Norway 46.9% compare

See the full ranking of 78 places β†’

More energy & mining data for Slovakia

All data for Slovakia β†’

Frequently asked questions

What is share of primary energy from fossil fuels in Slovakia?
Share of primary energy from fossil fuels in Slovakia was 62.0% 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 from fossil fuels recorded in Slovakia?
The highest recorded value was 99.0% in 1971.
What is the lowest share of primary energy from fossil fuels recorded in Slovakia?
The lowest recorded value was 62.0% in 2025.
How does Slovakia rank for share of primary energy from fossil fuels?
Slovakia ranks 69th out of 75 countries with data for 2025.
Is share of primary energy from fossil fuels rising or falling in Slovakia?
Over the last ten years it is down 9.7%. The long-run trend across the full record is falling.
Where does this Slovakia 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 from fossil fuels. Statizoid updates them automatically from the source API.

Download this data

CSV Β· JSON β€” 61 observations, free to reuse under CC BY 4.0 (Our World in Data).

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.