Bulgaria vs Republic of Korea: Share of primary energy use by source
Bulgaria
13.9%
in 2025
Republic of Korea
17.5%
in 2025
Bulgaria rank
58th
Republic of Korea rank
55th
Share of primary energy use by source over time
- Bulgaria
- Republic of Korea
How they compare
Republic of Korea currently reports 17.5% against 13.9% in Bulgaria, a difference of 3.6%.
That makes Republic of Korea's figure about 1.3 times Bulgaria's.
The two have swapped places 3 times across 40 shared years of data; in 1986 it was Bulgaria ahead.
Bulgaria ranks 58th and Republic of Korea ranks 55th of 77 countries.
Across the 5 decades both report, Bulgaria averaged higher in 3 and Republic of Korea in 2.
Head to head by decade
| Decade | Bulgaria | Republic of Korea | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 16.6% | 2.3% | 14.3% | Bulgaria |
| 1990s | 17.9% | 5.3% | 12.6% | Bulgaria |
| 2000s | 13.4% | 11.2% | 2.1% | Bulgaria |
| 2010s | 13.9% | 15.0% | 1.1% | Republic of Korea |
| 2020s | 13.9% | 17.0% | 3.1% | Republic of Korea |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of primary energy use by source, Bulgaria or Republic of Korea?
- Republic of Korea, at 17.5% against 13.9% in Bulgaria as of 2025.
- What is the difference in share of primary energy use by source between Bulgaria and Republic of Korea?
- 3.6%, with Republic of Korea ahead.
- How many years of comparable data are there for Bulgaria and Republic of Korea?
- 40 years are reported by both, from 1986 to 2025.
- How do Bulgaria and Republic of Korea rank globally for share of primary energy use by source?
- Bulgaria ranks 58th and Republic of Korea ranks 55th of 77 countries.
- Where does this data come from?
- Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) β with major processing by Our World in Data, published as Share of primary energy use by source. 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.