Iceland vs OECD (EI): Share of primary energy from hydropower
Iceland
16.0%
in 2025
OECD (EI)
2.3%
in 2025
Iceland rank
2nd
OECD (EI) rank
2nd
Share of primary energy from hydropower over time
- Iceland
- OECD (EI)
How they compare
Iceland currently reports 16.0% against 2.3% in OECD (EI), a difference of 13.7%.
That makes Iceland's figure about 7.0 times OECD (EI)'s.
Across all 61 years both countries report, Iceland has been ahead every year.
Iceland ranks 2nd and OECD (EI) ranks 2nd of 79 countries.
Iceland has averaged higher in every one of the 7 decades both report.
Head to head by decade
| Decade | Iceland | OECD (EI) | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 10.4% | 2.4% | 8.0% | Iceland |
| 1970s | 22.6% | 2.3% | 20.3% | Iceland |
| 1980s | 28.7% | 2.5% | 26.3% | Iceland |
| 1990s | 26.0% | 2.3% | 23.7% | Iceland |
| 2000s | 19.0% | 2.1% | 16.9% | Iceland |
| 2010s | 17.3% | 2.3% | 15.0% | Iceland |
| 2020s | 16.3% | 2.4% | 13.9% | Iceland |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of primary energy from hydropower, Iceland or OECD (EI)?
- Iceland, at 16.0% against 2.3% in OECD (EI) as of 2025.
- What is the difference in share of primary energy from hydropower between Iceland and OECD (EI)?
- 13.7%, with Iceland ahead.
- How many years of comparable data are there for Iceland and OECD (EI)?
- 61 years are reported by both, from 1965 to 2025.
- How do Iceland and OECD (EI) rank globally for share of primary energy from hydropower?
- Iceland ranks 2nd and OECD (EI) ranks 2nd of 79 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 from hydropower. 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.