Iran, Islamic Republic of vs Saudi Arabia: Fossil fuel supply by source
Iran, Islamic Republic of
2,563 terawatt-hours
in 2025
Saudi Arabia
1,338 terawatt-hours
in 2025
Iran, Islamic Republic of rank
5th
Saudi Arabia rank
6th
Fossil fuel supply by source over time
- Iran, Islamic Republic of
- Saudi Arabia
How they compare
Iran, Islamic Republic of currently reports 2,563 terawatt-hours against 1,338 terawatt-hours in Saudi Arabia, a difference of 1,225 terawatt-hours.
That makes Iran, Islamic Republic of's figure about 1.9 times Saudi Arabia's.
The two have swapped places 4 times across 61 shared years of data; in 1965 it was Iran, Islamic Republic of ahead.
Iran, Islamic Republic of ranks 5th and Saudi Arabia ranks 6th of 77 countries.
Across the 7 decades both report, Iran, Islamic Republic of averaged higher in 4 and Saudi Arabia in 3.
Head to head by decade
| Decade | Iran, Islamic Republic of | Saudi Arabia | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 8.91 terawatt-hours | 8.99 terawatt-hours | 0.0886 terawatt-hours | Saudi Arabia |
| 1970s | 40.03 terawatt-hours | 29.42 terawatt-hours | 10.61 terawatt-hours | Iran, Islamic Republic of |
| 1980s | 91.27 terawatt-hours | 183.08 terawatt-hours | 91.8 terawatt-hours | Saudi Arabia |
| 1990s | 332.77 terawatt-hours | 394.68 terawatt-hours | 61.91 terawatt-hours | Saudi Arabia |
| 2000s | 959.69 terawatt-hours | 630.75 terawatt-hours | 328.94 terawatt-hours | Iran, Islamic Republic of |
| 2010s | 1,794 terawatt-hours | 994.62 terawatt-hours | 799.12 terawatt-hours | Iran, Islamic Republic of |
| 2020s | 2,437 terawatt-hours | 1,198 terawatt-hours | 1,239 terawatt-hours | Iran, Islamic Republic of |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher fossil fuel supply by source, Iran, Islamic Republic of or Saudi Arabia?
- Iran, Islamic Republic of, at 2,563 terawatt-hours against 1,338 terawatt-hours in Saudi Arabia as of 2025.
- What is the difference in fossil fuel supply by source between Iran, Islamic Republic of and Saudi Arabia?
- 1,225 terawatt-hours, with Iran, Islamic Republic of ahead.
- How many years of comparable data are there for Iran, Islamic Republic of and Saudi Arabia?
- 61 years are reported by both, from 1965 to 2025.
- How do Iran, Islamic Republic of and Saudi Arabia rank globally for fossil fuel supply by source?
- Iran, Islamic Republic of ranks 5th and Saudi Arabia ranks 6th of 77 countries.
- Where does this data come from?
- Energy Institute - Statistical Review of World Energy (2026); Smil (2017) β with major processing by Our World in Data, published as Fossil fuel supply 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.