Republic of Korea vs Switzerland: Primary energy from fossil fuels, nuclear, and renewables
Republic of Korea
15.5%
in 2025
Switzerland
22.8%
in 2025
Republic of Korea rank
12th
Switzerland rank
9th
Primary energy from fossil fuels, nuclear, and renewables over time
- Republic of Korea
- Switzerland
How they compare
Switzerland currently reports 22.8% against 15.5% in Republic of Korea, a difference of 7.3%.
That makes Switzerland's figure about 1.5 times Republic of Korea's.
Across all 61 years both countries report, Switzerland has been ahead every year.
Republic of Korea ranks 12th and Switzerland ranks 9th of 216 countries.
Switzerland has averaged higher in every one of the 7 decades both report.
Head to head by decade
| Decade | Republic of Korea | Switzerland | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 0.0% | 0.2% | 0.2% | Switzerland |
| 1970s | 0.4% | 8.9% | 8.5% | Switzerland |
| 1980s | 8.3% | 22.5% | 14.1% | Switzerland |
| 1990s | 12.5% | 25.6% | 13.1% | Switzerland |
| 2000s | 15.5% | 27.0% | 11.5% | Switzerland |
| 2010s | 13.5% | 26.3% | 12.8% | Switzerland |
| 2020s | 14.8% | 25.8% | 11.0% | Switzerland |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher primary energy from fossil fuels, nuclear, and renewables, Republic of Korea or Switzerland?
- Switzerland, at 22.8% against 15.5% in Republic of Korea as of 2025.
- What is the difference in primary energy from fossil fuels, nuclear, and renewables between Republic of Korea and Switzerland?
- 7.3%, with Switzerland ahead.
- How many years of comparable data are there for Republic of Korea and Switzerland?
- 61 years are reported by both, from 1965 to 2025.
- How do Republic of Korea and Switzerland rank globally for primary energy from fossil fuels, nuclear, and renewables?
- Republic of Korea ranks 12th and Switzerland ranks 9th of 216 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 Primary energy from fossil fuels, nuclear, and renewables. 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.