Ireland vs Vietnam: Global primary energy use by source
Ireland
3.24 terawatt-hours
in 2025
Vietnam
3.59 terawatt-hours
in 2025
Ireland rank
43rd
Vietnam rank
41st
Global primary energy use by source over time
- Ireland
- Vietnam
How they compare
Vietnam currently reports 3.59 terawatt-hours against 3.24 terawatt-hours in Ireland, a difference of 0.35 terawatt-hours.
That makes Vietnam's figure about 1.1 times Ireland's.
The two have swapped places 2 times across 61 shared years of data; in 1965 it was Vietnam ahead.
Ireland ranks 43rd and Vietnam ranks 41st of 79 countries.
Ireland has averaged higher in every one of the 7 decades both report.
Head to head by decade
| Decade | Ireland | 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 | 0.0861 terawatt-hours | 0 terawatt-hours | 0.0861 terawatt-hours | Ireland |
| 2000s | 0.4185 terawatt-hours | 0.0942 terawatt-hours | 0.3243 terawatt-hours | Ireland |
| 2010s | 1.73 terawatt-hours | 0.4615 terawatt-hours | 1.27 terawatt-hours | Ireland |
| 2020s | 2.95 terawatt-hours | 2.08 terawatt-hours | 0.8656 terawatt-hours | Ireland |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher global primary energy use by source, Ireland or Vietnam?
- Vietnam, at 3.59 terawatt-hours against 3.24 terawatt-hours in Ireland as of 2025.
- What is the difference in global primary energy use by source between Ireland and Vietnam?
- 0.35 terawatt-hours, with Vietnam ahead.
- How many years of comparable data are there for Ireland and Vietnam?
- 61 years are reported by both, from 1965 to 2025.
- How do Ireland and Vietnam rank globally for global primary energy use by source?
- Ireland ranks 43rd and Vietnam ranks 41st 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 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.