Canada vs Iran: Fossil fuel supply by source
Canada
1,323 terawatt-hours
in 2025
Iran
2,563 terawatt-hours
in 2025
Canada rank
7th
Iran rank
5th
Fossil fuel supply by source over time
- Canada
- Iran
How they compare
Iran currently reports 2,563 terawatt-hours against 1,323 terawatt-hours in Canada, a difference of 1,240 terawatt-hours.
That makes Iran's figure about 1.9 times Canada's.
The two have swapped places 1 time across 61 shared years of data; in 1965 it was Canada ahead.
Canada ranks 7th and Iran ranks 5th of 77 countries.
Across the 7 decades both report, Canada averaged higher in 4 and Iran in 3.
Head to head by decade
| Decade | Canada | Iran | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 259.97 terawatt-hours | 8.91 terawatt-hours | 251.06 terawatt-hours | Canada |
| 1970s | 443.04 terawatt-hours | 40.03 terawatt-hours | 403.01 terawatt-hours | Canada |
| 1980s | 545.3 terawatt-hours | 91.27 terawatt-hours | 454.03 terawatt-hours | Canada |
| 1990s | 741.84 terawatt-hours | 332.77 terawatt-hours | 409.07 terawatt-hours | Canada |
| 2000s | 888.93 terawatt-hours | 959.69 terawatt-hours | 70.76 terawatt-hours | Iran |
| 2010s | 1,074 terawatt-hours | 1,794 terawatt-hours | 719.62 terawatt-hours | Iran |
| 2020s | 1,243 terawatt-hours | 2,437 terawatt-hours | 1,194 terawatt-hours | Iran |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher fossil fuel supply by source, Canada or Iran?
- Iran, at 2,563 terawatt-hours against 1,323 terawatt-hours in Canada as of 2025.
- What is the difference in fossil fuel supply by source between Canada and Iran?
- 1,240 terawatt-hours, with Iran ahead.
- How many years of comparable data are there for Canada and Iran?
- 61 years are reported by both, from 1965 to 2025.
- How do Canada and Iran rank globally for fossil fuel supply by source?
- Canada ranks 7th and Iran ranks 5th 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.