Iceland vs Iran: Annual change in primary energy from renewables
Iceland
-3.99 terawatt-hours
in 2025
Iran
-5.68 terawatt-hours
in 2025
Iceland rank
70th
Iran rank
72nd
Annual change in primary energy from renewables over time
- Iceland
- Iran
How they compare
Iceland currently reports -3.99 terawatt-hours against -5.68 terawatt-hours in Iran, a difference of 1.69 terawatt-hours.
The two have swapped places 27 times across 60 shared years of data; in 1966 it was Iran ahead.
Iceland ranks 70th and Iran ranks 72nd of 77 countries.
Across the 7 decades both report, Iceland averaged higher in 4 and Iran in 3.
Head to head by decade
| Decade | Iceland | Iran | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 0.0596 terawatt-hours | 0.1458 terawatt-hours | 0.0862 terawatt-hours | Iran |
| 1970s | 0.2396 terawatt-hours | 0.308 terawatt-hours | 0.0684 terawatt-hours | Iran |
| 1980s | 0.3513 terawatt-hours | 0.1349 terawatt-hours | 0.2164 terawatt-hours | Iceland |
| 1990s | 1.07 terawatt-hours | -0.1554 terawatt-hours | 1.22 terawatt-hours | Iceland |
| 2000s | 4.04 terawatt-hours | 0.1777 terawatt-hours | 3.86 terawatt-hours | Iceland |
| 2010s | 1.6 terawatt-hours | 2.82 terawatt-hours | 1.21 terawatt-hours | Iran |
| 2020s | -0.6749 terawatt-hours | -3.28 terawatt-hours | 2.61 terawatt-hours | Iceland |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual change in primary energy from renewables, Iceland or Iran?
- Iceland, at -3.99 terawatt-hours against -5.68 terawatt-hours in Iran as of 2025.
- What is the difference in annual change in primary energy from renewables between Iceland and Iran?
- 1.69 terawatt-hours, with Iceland ahead.
- How many years of comparable data are there for Iceland and Iran?
- 60 years are reported by both, from 1966 to 2025.
- How do Iceland and Iran rank globally for annual change in primary energy from renewables?
- Iceland ranks 70th and Iran ranks 72nd of 77 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 Annual change in primary energy from renewables. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Change in total energy supply relative to the previous year, measured in terawatt-hours.