Iceland vs South Korea: Annual change in primary energy from hydropower
Iceland
-0.4471 terawatt-hours
in 2025
South Korea
-0.4949 terawatt-hours
in 2025
Iceland rank
53rd
South Korea rank
54th
Annual change in primary energy from hydropower over time
- Iceland
- South Korea
How they compare
Iceland currently reports -0.4471 terawatt-hours against -0.4949 terawatt-hours in South Korea, a difference of 0.0478 terawatt-hours.
The two have swapped places 35 times across 60 shared years of data; in 1966 it was South Korea ahead.
Iceland ranks 53rd and South Korea ranks 54th of 80 countries.
Across the 7 decades both report, Iceland averaged higher in 5 and South Korea in 2.
Head to head by decade
| Decade | Iceland | South Korea | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 0.0548 terawatt-hours | 0.1795 terawatt-hours | 0.1247 terawatt-hours | South Korea |
| 1970s | 0.1959 terawatt-hours | 0.0868 terawatt-hours | 0.1091 terawatt-hours | Iceland |
| 1980s | 0.1394 terawatt-hours | 0.0668 terawatt-hours | 0.0726 terawatt-hours | Iceland |
| 1990s | 0.1829 terawatt-hours | 0.1195 terawatt-hours | 0.0633 terawatt-hours | Iceland |
| 2000s | 0.6238 terawatt-hours | -0.1346 terawatt-hours | 0.7584 terawatt-hours | Iceland |
| 2010s | 0.1182 terawatt-hours | -0.0024 terawatt-hours | 0.1207 terawatt-hours | Iceland |
| 2020s | -0.0507 terawatt-hours | 0.1695 terawatt-hours | 0.2202 terawatt-hours | South Korea |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual change in primary energy from hydropower, Iceland or South Korea?
- Iceland, at -0.4471 terawatt-hours against -0.4949 terawatt-hours in South Korea as of 2025.
- What is the difference in annual change in primary energy from hydropower between Iceland and South Korea?
- 0.0478 terawatt-hours, with Iceland ahead.
- How many years of comparable data are there for Iceland and South Korea?
- 60 years are reported by both, from 1966 to 2025.
- How do Iceland and South Korea rank globally for annual change in primary energy from hydropower?
- Iceland ranks 53rd and South Korea ranks 54th of 80 countries.
- Where does this data come from?
- Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data, published as Annual change in primary energy from hydropower. 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.