Iran vs OECD (EI): Share of primary energy use by source
Iran
69.5%
in 2025
OECD (EI)
29.7%
in 2025
Iran rank
5th
OECD (EI) rank
3rd
Share of primary energy use by source over time
- Iran
- OECD (EI)
How they compare
Iran currently reports 69.5% against 29.7% in OECD (EI), a difference of 39.8%.
That makes Iran's figure about 2.3 times OECD (EI)'s.
The two have swapped places 3 times across 61 shared years of data; in 1965 it was OECD (EI) ahead.
Iran ranks 5th and OECD (EI) ranks 3rd of 76 countries.
Across the 7 decades both report, Iran averaged higher in 4 and OECD (EI) in 3.
Head to head by decade
| Decade | Iran | OECD (EI) | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 7.8% | 17.1% | 9.2% | OECD (EI) |
| 1970s | 14.2% | 18.6% | 4.4% | OECD (EI) |
| 1980s | 15.9% | 18.4% | 2.4% | OECD (EI) |
| 1990s | 31.3% | 20.1% | 11.2% | Iran |
| 2000s | 50.3% | 22.1% | 28.2% | Iran |
| 2010s | 63.9% | 26.1% | 37.8% | Iran |
| 2020s | 69.1% | 29.6% | 39.5% | Iran |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of primary energy use by source, Iran or OECD (EI)?
- Iran, at 69.5% against 29.7% in OECD (EI) as of 2025.
- What is the difference in share of primary energy use by source between Iran and OECD (EI)?
- 39.8%, with Iran 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 share of primary energy use by source?
- Iran ranks 5th and OECD (EI) ranks 3rd of 76 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 use by source. 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.