Bulgaria vs Switzerland: Share of electricity generation from nuclear

Bulgaria
39.1%
in 2025
Switzerland
29.9%
in 2025
Bulgaria rank
8th
Switzerland rank
11th

Share of electricity generation from nuclear over time

  • Bulgaria
  • Switzerland
01020304050198520052025

How they compare

Bulgaria currently reports 39.1% against 29.9% in Switzerland, a difference of 9.2%.

That makes Bulgaria's figure about 1.3 times Switzerland's.

The two have swapped places 11 times across 41 shared years of data; in 1985 it was Switzerland ahead.

Bulgaria ranks 8th and Switzerland ranks 11th of 207 countries.

Across the 5 decades both report, Bulgaria averaged higher in 1 and Switzerland in 4.

Head to head by decade

Decade Bulgaria Switzerland Difference Ahead
1980s 31.5% 39.2% 7.7% Switzerland
1990s 38.5% 39.4% 0.9% Switzerland
2000s 41.0% 41.4% 0.3% Switzerland
2010s 34.1% 37.6% 3.5% Switzerland
2020s 38.3% 33.4% 4.9% Bulgaria

Averages of every year both report within each decade.

Frequently asked questions

Which has higher share of electricity generation from nuclear, Bulgaria or Switzerland?
Bulgaria, at 39.1% against 29.9% in Switzerland as of 2025.
What is the difference in share of electricity generation from nuclear between Bulgaria and Switzerland?
9.2%, with Bulgaria ahead.
How many years of comparable data are there for Bulgaria and Switzerland?
41 years are reported by both, from 1985 to 2025.
How do Bulgaria and Switzerland rank globally for share of electricity generation from nuclear?
Bulgaria ranks 8th 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

Indicator
Share of electricity generation from nuclear
Unit
%
Source
Ember (2026) and other sources – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
209 places, 6,536 data points, 1920–2025
Last refreshed

Measured as a percentage of total electricity produced in the country or region.