Czechia vs Slovakia: Share of electricity generation from nuclear
Czechia
42.3%
in 2025
Slovakia
66.4%
in 2025
Czechia rank
4th
Slovakia rank
2nd
Share of electricity generation from nuclear over time
- Czechia
- Slovakia
How they compare
Slovakia currently reports 66.4% against 42.3% in Czechia, a difference of 24.1%.
That makes Slovakia's figure about 1.6 times Czechia's.
Across all 41 years both countries report, Slovakia has been ahead every year.
Czechia ranks 4th and Slovakia ranks 2nd of 207 countries.
Slovakia has averaged higher in every one of the 5 decades both report.
Head to head by decade
| Decade | Czechia | Slovakia | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 13.8% | 47.8% | 34.1% | Slovakia |
| 1990s | 20.6% | 46.3% | 25.7% | Slovakia |
| 2000s | 28.2% | 55.8% | 27.6% | Slovakia |
| 2010s | 33.7% | 55.1% | 21.5% | Slovakia |
| 2020s | 39.1% | 59.6% | 20.5% | Slovakia |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of electricity generation from nuclear, Czechia or Slovakia?
- Slovakia, at 66.4% against 42.3% in Czechia as of 2025.
- What is the difference in share of electricity generation from nuclear between Czechia and Slovakia?
- 24.1%, with Slovakia ahead.
- How many years of comparable data are there for Czechia and Slovakia?
- 41 years are reported by both, from 1985 to 2025.
- How do Czechia and Slovakia rank globally for share of electricity generation from nuclear?
- Czechia ranks 4th and Slovakia ranks 2nd 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.