Finland vs Iran: Primary energy use by source
Finland
21.28 terawatt-hours
in 2025
Iran
18.83 terawatt-hours
in 2025
Finland rank
41st
Iran rank
44th
Primary energy use by source over time
- Finland
- Iran
How they compare
Finland currently reports 21.28 terawatt-hours against 18.83 terawatt-hours in Iran, a difference of 2.45 terawatt-hours.
That makes Finland's figure about 1.1 times Iran's.
Across all 61 years both countries report, Finland has been ahead every year.
Finland ranks 41st and Iran ranks 44th of 78 countries.
Finland has averaged higher in every one of the 7 decades both report.
Head to head by decade
| Decade | Finland | Iran | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 21.02 terawatt-hours | 3.01 terawatt-hours | 18.01 terawatt-hours | Finland |
| 1970s | 33.07 terawatt-hours | 9.38 terawatt-hours | 23.69 terawatt-hours | Finland |
| 1980s | 49.7 terawatt-hours | 12.01 terawatt-hours | 37.69 terawatt-hours | Finland |
| 1990s | 67.23 terawatt-hours | 12.27 terawatt-hours | 54.96 terawatt-hours | Finland |
| 2000s | 73.41 terawatt-hours | 15.27 terawatt-hours | 58.14 terawatt-hours | Finland |
| 2010s | 53.75 terawatt-hours | 12.72 terawatt-hours | 41.03 terawatt-hours | Finland |
| 2020s | 27.83 terawatt-hours | 19.75 terawatt-hours | 8.08 terawatt-hours | Finland |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher primary energy use by source, Finland or Iran?
- Finland, at 21.28 terawatt-hours against 18.83 terawatt-hours in Iran as of 2025.
- What is the difference in primary energy use by source between Finland and Iran?
- 2.45 terawatt-hours, with Finland ahead.
- How many years of comparable data are there for Finland and Iran?
- 61 years are reported by both, from 1965 to 2025.
- How do Finland and Iran rank globally for primary energy use by source?
- Finland ranks 41st and Iran ranks 44th of 78 countries.
- Where does this data come from?
- Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data, published as 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 in terawatt-hours of total energy supply.