Slovakia vs South Africa: Fossil fuel supply by source
Slovakia
44.95 terawatt-hours
in 2025
South Africa
46.81 terawatt-hours
in 2025
Slovakia rank
59th
South Africa rank
58th
Fossil fuel supply by source over time
- Slovakia
- South Africa
How they compare
South Africa currently reports 46.81 terawatt-hours against 44.95 terawatt-hours in Slovakia, a difference of 1.86 terawatt-hours.
The two have swapped places 1 time across 61 shared years of data; in 1965 it was Slovakia ahead.
Slovakia ranks 59th and South Africa ranks 58th of 77 countries.
Slovakia has averaged higher in every one of the 7 decades both report.
Head to head by decade
| Decade | Slovakia | South Africa | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 5.65 terawatt-hours | 0 terawatt-hours | 5.65 terawatt-hours | Slovakia |
| 1970s | 24.17 terawatt-hours | 1.16 terawatt-hours | 23 terawatt-hours | Slovakia |
| 1980s | 34.33 terawatt-hours | 2.04 terawatt-hours | 32.29 terawatt-hours | Slovakia |
| 1990s | 60.39 terawatt-hours | 13.82 terawatt-hours | 46.58 terawatt-hours | Slovakia |
| 2000s | 63.9 terawatt-hours | 25.64 terawatt-hours | 38.26 terawatt-hours | Slovakia |
| 2010s | 49.33 terawatt-hours | 41.77 terawatt-hours | 7.56 terawatt-hours | Slovakia |
| 2020s | 45.83 terawatt-hours | 44.39 terawatt-hours | 1.43 terawatt-hours | Slovakia |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher fossil fuel supply by source, Slovakia or South Africa?
- South Africa, at 46.81 terawatt-hours against 44.95 terawatt-hours in Slovakia as of 2025.
- What is the difference in fossil fuel supply by source between Slovakia and South Africa?
- 1.86 terawatt-hours, with South Africa ahead.
- How many years of comparable data are there for Slovakia and South Africa?
- 61 years are reported by both, from 1965 to 2025.
- How do Slovakia and South Africa rank globally for fossil fuel supply by source?
- Slovakia ranks 59th and South Africa ranks 58th of 77 countries.
- Where does this data come from?
- Energy Institute - Statistical Review of World Energy (2026); Smil (2017) β 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.