Bulgaria vs Portugal: Sulphur dioxide and coal, per square kilometre

Bulgaria
0.4757 units per square kilometre
in 2022
Portugal
0.531 units per square kilometre
in 2022
Bulgaria rank
94th
Portugal rank
91st

Sulphur dioxide and coal, per square kilometre over time

  • Bulgaria
  • Portugal
0102030196119912022

How they compare

Portugal currently reports 0.531 units per square kilometre against 0.4757 units per square kilometre in Bulgaria, a difference of 0.0553 units per square kilometre.

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

The two have swapped places 3 times across 62 shared years of data; in 1961 it was Bulgaria ahead.

Bulgaria ranks 94th and Portugal ranks 91st of 207 countries.

Across the 7 decades both report, Bulgaria averaged higher in 6 and Portugal in 1.

Head to head by decade

Decade Bulgaria Portugal Difference Ahead
1960s 31.16 units per square kilometre 0.9623 units per square kilometre 30.2 units per square kilometre Bulgaria
1970s 27.56 units per square kilometre 1.84 units per square kilometre 25.72 units per square kilometre Bulgaria
1980s 28.04 units per square kilometre 2.77 units per square kilometre 25.27 units per square kilometre Bulgaria
1990s 13.23 units per square kilometre 3.61 units per square kilometre 9.62 units per square kilometre Bulgaria
2000s 8.44 units per square kilometre 2.37 units per square kilometre 6.07 units per square kilometre Bulgaria
2010s 1.89 units per square kilometre 0.9069 units per square kilometre 0.9867 units per square kilometre Bulgaria
2020s 0.4924 units per square kilometre 0.5249 units per square kilometre 0.0325 units per square kilometre Portugal

Averages of every year both report within each decade.

Frequently asked questions

Which has higher sulphur dioxide and coal, per square kilometre, Bulgaria or Portugal?
Portugal, at 0.531 units per square kilometre against 0.4757 units per square kilometre in Bulgaria as of 2022.
What is the difference in sulphur dioxide and coal, per square kilometre between Bulgaria and Portugal?
0.0553 units per square kilometre, with Portugal ahead.
How many years of comparable data are there for Bulgaria and Portugal?
62 years are reported by both, from 1961 to 2022.
How do Bulgaria and Portugal rank globally for sulphur dioxide and coal, per square kilometre?
Bulgaria ranks 94th and Portugal ranks 91st of 207 countries.
Where does this data come from?
Statizoid (derived), published as Sulphur dioxide and coal, per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Bulgaria vs Portugal: Sulphur dioxide and coal, per square kilometre. Statizoid, drawing on Statizoid (derived). Retrieved 03 September 2026, from https://energy.statizoid.com/compare/sulphur-dioxide-and-coal-per-square-kilometre/bulgaria/portugal/

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About this data

Indicator
Sulphur dioxide and coal, per square kilometre
Unit
units per square kilometre
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
207 places, 11,657 data points, 1961–2022
Last refreshed

Sulphur dioxide and coal divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.