Portugal vs Slovenia: Annual percentage change in primary energy from solar
Portugal
23.2%
in 2025
Slovenia
21.2%
in 2025
Portugal rank
40th
Slovenia rank
43rd
Annual percentage change in primary energy from solar over time
- Portugal
- Slovenia
How they compare
Portugal currently reports 23.2% against 21.2% in Slovenia, a difference of 2.0%.
That makes Portugal's figure about 1.1 times Slovenia's.
The two have swapped places 3 times across 17 shared years of data; in 2009 it was Slovenia ahead.
Portugal ranks 40th and Slovenia ranks 43rd of 78 countries.
Across the 3 decades both report, Portugal averaged higher in 1 and Slovenia in 2.
Head to head by decade
| Decade | Portugal | Slovenia | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 290.2% | 300.0% | 9.8% | Slovenia |
| 2010s | 24.3% | 85.0% | 60.7% | Slovenia |
| 2020s | 37.1% | 31.6% | 5.5% | Portugal |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual percentage change in primary energy from solar, Portugal or Slovenia?
- Portugal, at 23.2% against 21.2% in Slovenia as of 2025.
- What is the difference in annual percentage change in primary energy from solar between Portugal and Slovenia?
- 2.0%, with Portugal ahead.
- How many years of comparable data are there for Portugal and Slovenia?
- 17 years are reported by both, from 2009 to 2025.
- How do Portugal and Slovenia rank globally for annual percentage change in primary energy from solar?
- Portugal ranks 40th and Slovenia ranks 43rd 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.