What is the difference in ippu — emissions (co2), per square kilometre between Denmark and Portugal?

0.0006 kt per square kilometre, with Portugal ahead.

How many years of comparable data are there for Denmark and Portugal?

63 years are reported by both, from 1961 to 2023.

Where does this data come from?

Statizoid (derived), published as IPPU — Emissions (CO2), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Denmark vs Portugal: IPPU — Emissions (CO2), per square kilometre

Denmark

0.0307 kt per square kilometre

in 2023

Portugal

0.0313 kt per square kilometre

in 2023

Denmark rank

44th

Portugal rank

42nd

IPPU — Emissions (CO2), per square kilometre over time

Denmark
Portugal

How they compare

Portugal currently reports 0.0313 kt per square kilometre against 0.0307 kt per square kilometre in Denmark, a difference of 0.0006 kt per square kilometre.

The two have swapped places 5 times across 63 shared years of data; in 1961 it was Denmark ahead.

Denmark ranks 44th and Portugal ranks 42nd of 186 countries.

Across the 7 decades both report, Denmark averaged higher in 3 and Portugal in 4.

Head to head by decade

Decade	Denmark	Portugal	Difference	Ahead
1960s	0.0341 kt per square kilometre	0.0201 kt per square kilometre	0.014 kt per square kilometre	Denmark
1970s	0.047 kt per square kilometre	0.0309 kt per square kilometre	0.0161 kt per square kilometre	Denmark
1980s	0.0319 kt per square kilometre	0.0428 kt per square kilometre	0.0109 kt per square kilometre	Portugal
1990s	0.0377 kt per square kilometre	0.0506 kt per square kilometre	0.0129 kt per square kilometre	Portugal
2000s	0.0391 kt per square kilometre	0.0553 kt per square kilometre	0.0162 kt per square kilometre	Portugal
2010s	0.0283 kt per square kilometre	0.0382 kt per square kilometre	0.0099 kt per square kilometre	Portugal
2020s	0.0329 kt per square kilometre	0.0323 kt per square kilometre	0.0006 kt per square kilometre	Denmark

Averages of every year both report within each decade.

Frequently asked questions

Which has higher ippu — emissions (co2), per square kilometre, Denmark or Portugal?: Portugal, at 0.0313 kt per square kilometre against 0.0307 kt per square kilometre in Denmark as of 2023.
What is the difference in ippu — emissions (co2), per square kilometre between Denmark and Portugal?: 0.0006 kt per square kilometre, with Portugal ahead.
How many years of comparable data are there for Denmark and Portugal?: 63 years are reported by both, from 1961 to 2023.
How do Denmark and Portugal rank globally for ippu — emissions (co2), per square kilometre?: Denmark ranks 44th and Portugal ranks 42nd of 186 countries.
Where does this data come from?: Statizoid (derived), published as IPPU — Emissions (CO2), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Denmark vs Portugal: IPPU — Emissions (CO2), per square kilometre. Statizoid, drawing on Statizoid (derived). Retrieved 23 September 2026, from https://climate.statizoid.com/compare/ippu-emissions-co2-per-square-kilometre/denmark/portugal/

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About this data

Indicator: IPPU — Emissions (CO2), per square kilometre
Unit: kt per square kilometre
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 187 places, 10,734 data points, 1961–2023
Last refreshed: 23 September 2026

IPPU — Emissions (CO2) 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.