Iran vs OECD (EI): Fossil fuel consumption by fuel
Iran
2,563 terawatt-hours
in 2025
OECD (EI)
18,113 terawatt-hours
in 2025
Iran rank
4th
OECD (EI) rank
1st
Fossil fuel consumption by fuel over time
- Iran
- OECD (EI)
How they compare
OECD (EI) currently reports 18,113 terawatt-hours against 2,563 terawatt-hours in Iran, a difference of 15,550 terawatt-hours.
That makes OECD (EI)'s figure about 7.1 times Iran's.
Across all 61 years both countries report, OECD (EI) has been ahead every year.
Iran ranks 4th and OECD (EI) ranks 1st of 219 countries.
OECD (EI) has averaged higher in every one of the 7 decades both report.
Head to head by decade
| Decade | Iran | OECD (EI) | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 8.91 terawatt-hours | 5,555 terawatt-hours | 5,546 terawatt-hours | OECD (EI) |
| 1970s | 40.03 terawatt-hours | 8,123 terawatt-hours | 8,083 terawatt-hours | OECD (EI) |
| 1980s | 91.27 terawatt-hours | 8,839 terawatt-hours | 8,747 terawatt-hours | OECD (EI) |
| 1990s | 332.77 terawatt-hours | 11,518 terawatt-hours | 11,185 terawatt-hours | OECD (EI) |
| 2000s | 959.69 terawatt-hours | 14,138 terawatt-hours | 13,179 terawatt-hours | OECD (EI) |
| 2010s | 1,794 terawatt-hours | 16,444 terawatt-hours | 14,651 terawatt-hours | OECD (EI) |
| 2020s | 2,437 terawatt-hours | 17,891 terawatt-hours | 15,454 terawatt-hours | OECD (EI) |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher fossil fuel consumption by fuel, Iran or OECD (EI)?
- OECD (EI), at 18,113 terawatt-hours against 2,563 terawatt-hours in Iran as of 2025.
- What is the difference in fossil fuel consumption by fuel between Iran and OECD (EI)?
- 15,550 terawatt-hours, with OECD (EI) ahead.
- How many years of comparable data are there for Iran and OECD (EI)?
- 61 years are reported by both, from 1965 to 2025.
- How do Iran and OECD (EI) rank globally for fossil fuel consumption by fuel?
- Iran ranks 4th and OECD (EI) ranks 1st of 219 countries.
- Where does this data come from?
- Energy Institute - Statistical Review of World Energy (2026); U.S. Energy Information Administration (2026); Etemad & Luciani (1991) – with major processing by Our World in Data, published as Fossil fuel consumption by fuel. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Measured in terawatt-hours.