Bulgaria vs Portugal: Share of primary energy from solar

Bulgaria
3.5%
in 2025
Portugal
4.0%
in 2025
Bulgaria rank
11th
Portugal rank
8th

Share of primary energy from solar over time

  • Bulgaria
  • Portugal
01234196519952025

How they compare

Portugal currently reports 4.0% against 3.5% in Bulgaria, a difference of 0.5%.

That makes Portugal's figure about 1.1 times Bulgaria's.

The two have swapped places 2 times across 61 shared years of data; in 1965 it was Portugal ahead.

Bulgaria ranks 11th and Portugal ranks 8th of 80 countries.

Across the 7 decades both report, Bulgaria averaged higher in 1 and Portugal in 4.

Head to head by decade

Decade Bulgaria Portugal Difference Ahead
1960s 0.0% 0.0% 0.0% β€”
1970s 0.0% 0.0% 0.0% β€”
1980s 0.0% 0.0% 0.0% Portugal
1990s 0.0% 0.0% 0.0% Portugal
2000s 0.0% 0.0% 0.0% Portugal
2010s 0.5% 0.3% 0.2% Bulgaria
2020s 1.8% 2.2% 0.4% Portugal

Averages of every year both report within each decade.

Frequently asked questions

Which has higher share of primary energy from solar, Bulgaria or Portugal?
Portugal, at 4.0% against 3.5% in Bulgaria as of 2025.
What is the difference in share of primary energy from solar between Bulgaria and Portugal?
0.5%, with Portugal ahead.
How many years of comparable data are there for Bulgaria and Portugal?
61 years are reported by both, from 1965 to 2025.
How do Bulgaria and Portugal rank globally for share of primary energy from solar?
Bulgaria ranks 11th and Portugal ranks 8th of 80 countries.
Where does this data come from?
Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data, published as Share of primary energy from solar. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Bulgaria vs Portugal: Share of primary energy from solar. Statizoid, drawing on Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data. Retrieved 21 August 2026, from https://energy.statizoid.com/compare/solar-share-energy/bulgaria/portugal/

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About this data

Indicator
Share of primary energy from solar
Unit
%
Source
Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
82 places, 4,680 data points, 1965–2025
Last refreshed

Measured as a percentage of total energy supply.