Bulgaria vs Sweden: Share of primary energy from nuclear
Bulgaria
24.0%
in 2025
Sweden
30.8%
in 2025
Bulgaria rank
7th
Sweden rank
4th
Share of primary energy from nuclear over time
- Bulgaria
- Sweden
How they compare
Sweden currently reports 30.8% against 24.0% in Bulgaria, a difference of 6.8%.
That makes Sweden's figure about 1.3 times Bulgaria's.
Across all 61 years both countries report, Sweden has been ahead every year.
Bulgaria ranks 7th and Sweden ranks 4th of 215 countries.
Sweden has averaged higher in every one of the 7 decades both report.
Head to head by decade
| Decade | Bulgaria | Sweden | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 0.0% | 0.0% | 0.0% | Sweden |
| 1970s | 2.8% | 6.2% | 3.4% | Sweden |
| 1980s | 10.6% | 29.2% | 18.5% | Sweden |
| 1990s | 18.2% | 40.2% | 22.1% | Sweden |
| 2000s | 23.9% | 37.4% | 13.6% | Sweden |
| 2010s | 22.6% | 37.5% | 14.9% | Sweden |
| 2020s | 24.3% | 32.1% | 7.8% | Sweden |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of primary energy from nuclear, Bulgaria or Sweden?
- Sweden, at 30.8% against 24.0% in Bulgaria as of 2025.
- What is the difference in share of primary energy from nuclear between Bulgaria and Sweden?
- 6.8%, with Sweden ahead.
- How many years of comparable data are there for Bulgaria and Sweden?
- 61 years are reported by both, from 1965 to 2025.
- How do Bulgaria and Sweden rank globally for share of primary energy from nuclear?
- Bulgaria ranks 7th and Sweden ranks 4th of 215 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 Share of primary energy 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 energy supply.