Bulgaria vs Republic of Korea: Annual percentage change in primary energy from nuclear
Bulgaria
-2.8%
in 2025
Republic of Korea
-2.2%
in 2025
Bulgaria rank
25th
Republic of Korea rank
24th
Annual percentage change in primary energy from nuclear over time
- Bulgaria
- Republic of Korea
How they compare
Republic of Korea currently reports -2.2% against -2.8% in Bulgaria, a difference of 0.6%.
The two have swapped places 18 times across 48 shared years of data; in 1978 it was Republic of Korea ahead.
Bulgaria ranks 25th and Republic of Korea ranks 24th of 36 countries.
Across the 6 decades both report, Bulgaria averaged higher in 1 and Republic of Korea in 5.
Head to head by decade
| Decade | Bulgaria | Republic of Korea | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 2.5% | 1,594.0% | 1,591.5% | Republic of Korea |
| 1980s | 10.1% | 36.3% | 26.2% | Republic of Korea |
| 1990s | 1.3% | 8.2% | 6.9% | Republic of Korea |
| 2000s | 0.4% | 3.8% | 3.4% | Republic of Korea |
| 2010s | 1.0% | 0.1% | 0.8% | Bulgaria |
| 2020s | -1.3% | 4.1% | 5.4% | Republic of Korea |
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 Republic of Korea?
- Republic of Korea, at -2.2% against -2.8% in Bulgaria as of 2025.
- What is the difference in annual percentage change in primary energy from nuclear between Bulgaria and Republic of Korea?
- 0.6%, with Republic of Korea ahead.
- How many years of comparable data are there for Bulgaria and Republic of Korea?
- 48 years are reported by both, from 1978 to 2025.
- How do Bulgaria and Republic of Korea rank globally for annual percentage change in primary energy from nuclear?
- Bulgaria ranks 25th and Republic of Korea ranks 24th 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.