Bulgaria vs Slovakia: Annual percentage change in primary energy from solar and wind
Bulgaria
18.1%
in 2025
Slovakia
17.4%
in 2025
Bulgaria rank
32nd
Slovakia rank
34th
Annual percentage change in primary energy from solar and wind over time
- Bulgaria
- Slovakia
How they compare
Bulgaria currently reports 18.1% against 17.4% in Slovakia, a difference of 0.7%.
The two have swapped places 10 times across 21 shared years of data; in 2005 it was Bulgaria ahead.
Bulgaria ranks 32nd and Slovakia ranks 34th of 79 countries.
Across the 3 decades both report, Bulgaria averaged higher in 2 and Slovakia in 1.
Head to head by decade
| Decade | Bulgaria | Slovakia | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 217.3% | 1.3% | 216.0% | Bulgaria |
| 2010s | 37.4% | 198.3% | 160.8% | Slovakia |
| 2020s | 20.8% | 5.9% | 14.9% | Bulgaria |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual percentage change in primary energy from solar and wind, Bulgaria or Slovakia?
- Bulgaria, at 18.1% against 17.4% in Slovakia as of 2025.
- What is the difference in annual percentage change in primary energy from solar and wind between Bulgaria and Slovakia?
- 0.7%, with Bulgaria ahead.
- How many years of comparable data are there for Bulgaria and Slovakia?
- 21 years are reported by both, from 2005 to 2025.
- How do Bulgaria and Slovakia rank globally for annual percentage change in primary energy from solar and wind?
- Bulgaria ranks 32nd and Slovakia ranks 34th of 79 countries.
- Where does this data come from?
- Energy Institute - Statistical Review of World Energy (2026) – with major processing by Our World in Data, published as Annual percentage change in primary energy from solar and wind. 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.