Bulgaria vs Sweden: Annual percentage change in primary energy from nuclear
Bulgaria
-2.8%
in 2025
Sweden
-7.9%
in 2025
Bulgaria rank
25th
Sweden rank
26th
Annual percentage change in primary energy from nuclear over time
- Bulgaria
- Sweden
How they compare
Bulgaria currently reports -2.8% against -7.9% in Sweden, a difference of 5.1%.
The two have swapped places 31 times across 51 shared years of data; in 1975 it was Sweden ahead.
Bulgaria ranks 25th and Sweden ranks 26th of 36 countries.
Across the 6 decades both report, Bulgaria averaged higher in 2 and Sweden in 4.
Head to head by decade
| Decade | Bulgaria | Sweden | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 58.7% | 109.7% | 51.0% | Sweden |
| 1980s | 10.1% | 12.9% | 2.8% | Sweden |
| 1990s | 1.3% | 1.6% | 0.3% | Sweden |
| 2000s | 0.4% | -2.4% | 2.8% | Bulgaria |
| 2010s | 1.0% | 2.6% | 1.7% | Sweden |
| 2020s | -1.3% | -5.0% | 3.7% | Bulgaria |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual percentage change in primary energy from nuclear, Bulgaria or Sweden?
- Bulgaria, at -2.8% against -7.9% in Sweden as of 2025.
- What is the difference in annual percentage change in primary energy from nuclear between Bulgaria and Sweden?
- 5.1%, with Bulgaria ahead.
- How many years of comparable data are there for Bulgaria and Sweden?
- 51 years are reported by both, from 1975 to 2025.
- How do Bulgaria and Sweden rank globally for annual percentage change in primary energy from nuclear?
- Bulgaria ranks 25th and Sweden ranks 26th of 36 countries.
- Where does this data come from?
- Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data, published as Annual percentage change in primary energy from nuclear. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Percentage change in total energy supply relative to the previous year.