Iran vs Oman: Share of primary energy from fossil fuels
Iran
99.1%
in 2025
Oman
98.9%
in 2025
Iran rank
9th
Oman rank
10th
Share of primary energy from fossil fuels over time
- Iran
- Oman
How they compare
Iran currently reports 99.1% against 98.9% in Oman, a difference of 0.2%.
The two have swapped places 1 time across 32 shared years of data; in 1994 it was Oman ahead.
Iran ranks 9th and Oman ranks 10th of 75 countries.
Oman has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | Iran | Oman | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 99.4% | 100.0% | 0.6% | Oman |
| 2000s | 99.5% | 100.0% | 0.5% | Oman |
| 2010s | 99.0% | 100.0% | 1.0% | Oman |
| 2020s | 98.9% | 99.5% | 0.6% | Oman |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of primary energy from fossil fuels, Iran or Oman?
- Iran, at 99.1% against 98.9% in Oman as of 2025.
- What is the difference in share of primary energy from fossil fuels between Iran and Oman?
- 0.2%, with Iran ahead.
- How many years of comparable data are there for Iran and Oman?
- 32 years are reported by both, from 1994 to 2025.
- How do Iran and Oman rank globally for share of primary energy from fossil fuels?
- Iran ranks 9th and Oman ranks 10th of 75 countries.
- Where does this data come from?
- Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data, published as Share of primary energy from fossil fuels. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Measured as a percentage of total energy supply.