Slovakia vs Vietnam: Global primary energy use by source
Slovakia
4.23 terawatt-hours
in 2025
Vietnam
3.59 terawatt-hours
in 2025
Slovakia rank
39th
Vietnam rank
41st
Global primary energy use by source over time
- Slovakia
- Vietnam
How they compare
Slovakia currently reports 4.23 terawatt-hours against 3.59 terawatt-hours in Vietnam, a difference of 0.64 terawatt-hours.
That makes Slovakia's figure about 1.2 times Vietnam's.
The two have swapped places 3 times across 61 shared years of data; in 1965 it was Vietnam ahead.
Slovakia ranks 39th and Vietnam ranks 41st of 80 countries.
Slovakia has averaged higher in every one of the 7 decades both report.
Head to head by decade
| Decade | Slovakia | Vietnam | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | — |
| 1970s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | — |
| 1980s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | — |
| 1990s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | — |
| 2000s | 0.7222 terawatt-hours | 0.0942 terawatt-hours | 0.628 terawatt-hours | Slovakia |
| 2010s | 3.99 terawatt-hours | 0.4615 terawatt-hours | 3.53 terawatt-hours | Slovakia |
| 2020s | 4.75 terawatt-hours | 2.08 terawatt-hours | 2.67 terawatt-hours | Slovakia |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher global primary energy use by source, Slovakia or Vietnam?
- Slovakia, at 4.23 terawatt-hours against 3.59 terawatt-hours in Vietnam as of 2025.
- What is the difference in global primary energy use by source between Slovakia and Vietnam?
- 0.64 terawatt-hours, with Slovakia ahead.
- How many years of comparable data are there for Slovakia and Vietnam?
- 61 years are reported by both, from 1965 to 2025.
- How do Slovakia and Vietnam rank globally for global primary energy use by source?
- Slovakia ranks 39th and Vietnam ranks 41st of 80 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 Global primary energy use 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.