Norway vs Slovakia: Fossil fuel supply by source
Norway
34.01 terawatt-hours
in 2025
Slovakia
44.95 terawatt-hours
in 2025
Norway rank
62nd
Slovakia rank
59th
Fossil fuel supply by source over time
- Norway
- Slovakia
How they compare
Slovakia currently reports 44.95 terawatt-hours against 34.01 terawatt-hours in Norway, a difference of 10.94 terawatt-hours.
That makes Slovakia's figure about 1.3 times Norway's.
Across all 49 years both countries report, Slovakia has been ahead every year.
Norway ranks 62nd and Slovakia ranks 59th of 77 countries.
Slovakia has averaged higher in every one of the 6 decades both report.
Head to head by decade
| Decade | Norway | Slovakia | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 6.11 terawatt-hours | 34.73 terawatt-hours | 28.62 terawatt-hours | Slovakia |
| 1980s | 13.47 terawatt-hours | 34.33 terawatt-hours | 20.86 terawatt-hours | Slovakia |
| 1990s | 31.38 terawatt-hours | 60.39 terawatt-hours | 29.01 terawatt-hours | Slovakia |
| 2000s | 42.72 terawatt-hours | 63.9 terawatt-hours | 21.18 terawatt-hours | Slovakia |
| 2010s | 42.57 terawatt-hours | 49.33 terawatt-hours | 6.76 terawatt-hours | Slovakia |
| 2020s | 38.14 terawatt-hours | 45.83 terawatt-hours | 7.69 terawatt-hours | Slovakia |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher fossil fuel supply by source, Norway or Slovakia?
- Slovakia, at 44.95 terawatt-hours against 34.01 terawatt-hours in Norway as of 2025.
- What is the difference in fossil fuel supply by source between Norway and Slovakia?
- 10.94 terawatt-hours, with Slovakia ahead.
- How many years of comparable data are there for Norway and Slovakia?
- 49 years are reported by both, from 1977 to 2025.
- How do Norway and Slovakia rank globally for fossil fuel supply by source?
- Norway ranks 62nd and Slovakia ranks 59th of 77 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 Fossil fuel supply by source. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Measured in terawatt-hours of total energy supply.