Italy vs Vietnam: Primary energy use by source
Italy
21.49 terawatt-hours
in 2025
Vietnam
14.65 terawatt-hours
in 2025
Italy rank
17th
Vietnam rank
20th
Primary energy use by source over time
- Italy
- Vietnam
How they compare
Italy currently reports 21.49 terawatt-hours against 14.65 terawatt-hours in Vietnam, a difference of 6.84 terawatt-hours.
That makes Italy's figure about 1.5 times Vietnam's.
The two have swapped places 1 time across 61 shared years of data; in 1965 it was Vietnam ahead.
Italy ranks 17th and Vietnam ranks 20th of 79 countries.
Italy has averaged higher in every one of the 7 decades both report.
Head to head by decade
| Decade | Italy | Vietnam | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | — |
| 1970s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | — |
| 1980s | 0.0002 terawatt-hours | 0 terawatt-hours | 0.0002 terawatt-hours | Italy |
| 1990s | 0.0811 terawatt-hours | 0 terawatt-hours | 0.0811 terawatt-hours | Italy |
| 2000s | 2.72 terawatt-hours | 0.0013 terawatt-hours | 2.72 terawatt-hours | Italy |
| 2010s | 15.07 terawatt-hours | 0.2143 terawatt-hours | 14.85 terawatt-hours | Italy |
| 2020s | 21.27 terawatt-hours | 8.73 terawatt-hours | 12.54 terawatt-hours | Italy |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher primary energy use by source, Italy or Vietnam?
- Italy, at 21.49 terawatt-hours against 14.65 terawatt-hours in Vietnam as of 2025.
- What is the difference in primary energy use by source between Italy and Vietnam?
- 6.84 terawatt-hours, with Italy ahead.
- How many years of comparable data are there for Italy and Vietnam?
- 61 years are reported by both, from 1965 to 2025.
- How do Italy and Vietnam rank globally for primary energy use by source?
- Italy ranks 17th and Vietnam ranks 20th of 79 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 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.