South Korea vs Spain: Primary energy from nuclear
South Korea
559.67 terawatt-hours
in 2025
Spain
164.3 terawatt-hours
in 2025
South Korea rank
5th
Spain rank
8th
Primary energy from nuclear over time
- South Korea
- Spain
How they compare
South Korea currently reports 559.67 terawatt-hours against 164.3 terawatt-hours in Spain, a difference of 395.37 terawatt-hours.
That makes South Korea's figure about 3.4 times Spain's.
The two have swapped places 1 time across 61 shared years of data; in 1965 it was Spain ahead.
South Korea ranks 5th and Spain ranks 8th of 213 countries.
Across the 7 decades both report, South Korea averaged higher in 4 and Spain in 3.
Head to head by decade
| Decade | South Korea | Spain | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 0 terawatt-hours | 0.5527 terawatt-hours | 0.5527 terawatt-hours | Spain |
| 1970s | 1.68 terawatt-hours | 17.56 terawatt-hours | 15.88 terawatt-hours | Spain |
| 1980s | 61.44 terawatt-hours | 82.01 terawatt-hours | 20.57 terawatt-hours | Spain |
| 1990s | 210.09 terawatt-hours | 170.28 terawatt-hours | 39.81 terawatt-hours | South Korea |
| 2000s | 405.39 terawatt-hours | 181.49 terawatt-hours | 223.9 terawatt-hours | South Korea |
| 2010s | 455.59 terawatt-hours | 176.65 terawatt-hours | 278.94 terawatt-hours | South Korea |
| 2020s | 529.39 terawatt-hours | 171.24 terawatt-hours | 358.15 terawatt-hours | South Korea |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher primary energy from nuclear, South Korea or Spain?
- South Korea, at 559.67 terawatt-hours against 164.3 terawatt-hours in Spain as of 2025.
- What is the difference in primary energy from nuclear between South Korea and Spain?
- 395.37 terawatt-hours, with South Korea ahead.
- How many years of comparable data are there for South Korea and Spain?
- 61 years are reported by both, from 1965 to 2025.
- How do South Korea and Spain rank globally for primary energy from nuclear?
- South Korea ranks 5th and Spain ranks 8th of 213 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 from nuclear. 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.