South Korea vs Switzerland: Share of electricity generation from nuclear
South Korea
29.6%
in 2025
Switzerland
29.9%
in 2025
South Korea rank
12th
Switzerland rank
11th
Share of electricity generation from nuclear over time
- South Korea
- Switzerland
How they compare
Switzerland currently reports 29.9% against 29.6% in South Korea, a difference of 0.3%.
The two have swapped places 4 times across 41 shared years of data; in 1985 it was Switzerland ahead.
South Korea ranks 12th and Switzerland ranks 11th of 207 countries.
Across the 5 decades both report, South Korea averaged higher in 1 and Switzerland in 4.
Head to head by decade
| Decade | South Korea | Switzerland | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 41.0% | 39.2% | 1.8% | South Korea |
| 1990s | 36.8% | 39.4% | 2.6% | Switzerland |
| 2000s | 35.7% | 41.4% | 5.6% | Switzerland |
| 2010s | 27.5% | 37.6% | 10.1% | Switzerland |
| 2020s | 28.5% | 33.4% | 4.9% | Switzerland |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of electricity generation from nuclear, South Korea or Switzerland?
- Switzerland, at 29.9% against 29.6% in South Korea as of 2025.
- What is the difference in share of electricity generation from nuclear between South Korea and Switzerland?
- 0.3%, with Switzerland ahead.
- How many years of comparable data are there for South Korea and Switzerland?
- 41 years are reported by both, from 1985 to 2025.
- How do South Korea and Switzerland rank globally for share of electricity generation from nuclear?
- South Korea ranks 12th and Switzerland ranks 11th of 207 countries.
- Where does this data come from?
- Ember (2026) and other sources – with major processing by Our World in Data, published as Share of electricity generation from nuclear. 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 electricity produced in the country or region.