Iceland vs Oman: Primary energy use by source
Iceland
0.9184 terawatt-hours
in 2025
Oman
1.37 terawatt-hours
in 2025
Iceland rank
67th
Oman rank
66th
Primary energy use by source over time
- Iceland
- Oman
How they compare
Oman currently reports 1.37 terawatt-hours against 0.9184 terawatt-hours in Iceland, a difference of 0.4516 terawatt-hours.
That makes Oman's figure about 1.5 times Iceland's.
The two have swapped places 3 times across 32 shared years of data; in 1994 it was Iceland ahead.
Iceland ranks 67th and Oman ranks 66th of 79 countries.
Across the 4 decades both report, Iceland averaged higher in 3 and Oman in 1.
Head to head by decade
| Decade | Iceland | Oman | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 0.7211 terawatt-hours | 0.0002 terawatt-hours | 0.7209 terawatt-hours | Iceland |
| 2000s | 1.16 terawatt-hours | 0.0096 terawatt-hours | 1.16 terawatt-hours | Iceland |
| 2010s | 1.21 terawatt-hours | 0.5698 terawatt-hours | 0.6369 terawatt-hours | Iceland |
| 2020s | 1.13 terawatt-hours | 1.22 terawatt-hours | 0.0809 terawatt-hours | Oman |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher primary energy use by source, Iceland or Oman?
- Oman, at 1.37 terawatt-hours against 0.9184 terawatt-hours in Iceland as of 2025.
- What is the difference in primary energy use by source between Iceland and Oman?
- 0.4516 terawatt-hours, with Oman ahead.
- How many years of comparable data are there for Iceland and Oman?
- 32 years are reported by both, from 1994 to 2025.
- How do Iceland and Oman rank globally for primary energy use by source?
- Iceland ranks 67th and Oman ranks 66th 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.