South Korea vs Switzerland: Annual change in primary energy from nuclear
South Korea
-12.31 terawatt-hours
in 2025
Switzerland
-13.95 terawatt-hours
in 2025
South Korea rank
214th
Switzerland rank
215th
Annual change in primary energy from nuclear over time
- South Korea
- Switzerland
How they compare
South Korea currently reports -12.31 terawatt-hours against -13.95 terawatt-hours in Switzerland, a difference of 1.64 terawatt-hours.
The two have swapped places 17 times across 60 shared years of data; in 1966 it was Switzerland ahead.
South Korea ranks 214th and Switzerland ranks 215th of 218 countries.
Across the 7 decades both report, South Korea averaged higher in 5 and Switzerland in 2.
Head to head by decade
| Decade | South Korea | Switzerland | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 0 terawatt-hours | 0.4053 terawatt-hours | 0.4053 terawatt-hours | Switzerland |
| 1970s | 0.9551 terawatt-hours | 3.42 terawatt-hours | 2.46 terawatt-hours | Switzerland |
| 1980s | 13.4 terawatt-hours | 3.29 terawatt-hours | 10.1 terawatt-hours | South Korea |
| 1990s | 16.88 terawatt-hours | 0.6316 terawatt-hours | 16.25 terawatt-hours | South Korea |
| 2000s | 13.55 terawatt-hours | 0.8281 terawatt-hours | 12.72 terawatt-hours | South Korea |
| 2010s | -0.564 terawatt-hours | -0.6708 terawatt-hours | 0.1068 terawatt-hours | South Korea |
| 2020s | 19.59 terawatt-hours | -3.49 terawatt-hours | 23.07 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 nuclear, South Korea or Switzerland?
- South Korea, at -12.31 terawatt-hours against -13.95 terawatt-hours in Switzerland as of 2025.
- What is the difference in annual change in primary energy from nuclear between South Korea and Switzerland?
- 1.64 terawatt-hours, with South Korea ahead.
- How many years of comparable data are there for South Korea and Switzerland?
- 60 years are reported by both, from 1966 to 2025.
- How do South Korea and Switzerland rank globally for annual change in primary energy from nuclear?
- South Korea ranks 214th and Switzerland ranks 215th of 218 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 nuclear. 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.