Bulgaria vs Portugal: Annual percentage change in primary energy from solar
Bulgaria
24.4%
in 2025
Portugal
23.2%
in 2025
Bulgaria rank
39th
Portugal rank
40th
Annual percentage change in primary energy from solar over time
- Bulgaria
- Portugal
How they compare
Bulgaria currently reports 24.4% against 23.2% in Portugal, a difference of 1.2%.
That makes Bulgaria's figure about 1.1 times Portugal's.
The two have swapped places 2 times across 18 shared years of data; in 2008 it was Bulgaria ahead.
Bulgaria ranks 39th and Portugal ranks 40th of 78 countries.
Across the 3 decades both report, Bulgaria averaged higher in 2 and Portugal in 1.
Head to head by decade
| Decade | Bulgaria | Portugal | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 1,017.3% | 180.5% | 836.8% | Bulgaria |
| 2010s | 168.7% | 24.3% | 144.4% | Bulgaria |
| 2020s | 32.5% | 37.1% | 4.7% | Portugal |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual percentage change in primary energy from solar, Bulgaria or Portugal?
- Bulgaria, at 24.4% against 23.2% in Portugal as of 2025.
- What is the difference in annual percentage change in primary energy from solar between Bulgaria and Portugal?
- 1.2%, with Bulgaria ahead.
- How many years of comparable data are there for Bulgaria and Portugal?
- 18 years are reported by both, from 2008 to 2025.
- How do Bulgaria and Portugal rank globally for annual percentage change in primary energy from solar?
- Bulgaria ranks 39th and Portugal ranks 40th of 78 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. 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.