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

32 years are reported by both, from 1992 to 2023.

Where does this data come from?

Statizoid (derived), published as IPPU — Emissions (CO2eq) from N2O (AR5), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Portugal vs Slovenia: IPPU — Emissions (CO2eq) from N2O (AR5), per square kilometre

Portugal

0.0027 kt per square kilometre

in 2023

Slovenia

0.0026 kt per square kilometre

in 2023

Portugal rank

40th

Slovenia rank

41st

IPPU — Emissions (CO2eq) from N2O (AR5), per square kilometre over time

Portugal
Slovenia

How they compare

Portugal currently reports 0.0027 kt per square kilometre against 0.0026 kt per square kilometre in Slovenia, a difference of 0.0001 kt per square kilometre.

The two have swapped places 2 times across 32 shared years of data; in 1992 it was Portugal ahead.

Portugal ranks 40th and Slovenia ranks 41st of 186 countries.

Portugal has averaged higher in every one of the 4 decades both report.

Head to head by decade

Decade	Portugal	Slovenia	Difference	Ahead
1990s	0.0041 kt per square kilometre	0.0018 kt per square kilometre	0.0023 kt per square kilometre	Portugal
2000s	0.0042 kt per square kilometre	0.002 kt per square kilometre	0.0022 kt per square kilometre	Portugal
2010s	0.0037 kt per square kilometre	0.0026 kt per square kilometre	0.0011 kt per square kilometre	Portugal
2020s	0.0032 kt per square kilometre	0.0026 kt per square kilometre	0.0006 kt per square kilometre	Portugal

Averages of every year both report within each decade.

Frequently asked questions

Which has higher ippu — emissions (co2eq) from n2o (ar5), per square kilometre, Portugal or Slovenia?: Portugal, at 0.0027 kt per square kilometre against 0.0026 kt per square kilometre in Slovenia as of 2023.
What is the difference in ippu — emissions (co2eq) from n2o (ar5), per square kilometre between Portugal and Slovenia?: 0.0001 kt per square kilometre, with Portugal ahead.
How many years of comparable data are there for Portugal and Slovenia?: 32 years are reported by both, from 1992 to 2023.
How do Portugal and Slovenia rank globally for ippu — emissions (co2eq) from n2o (ar5), per square kilometre?: Portugal ranks 40th and Slovenia ranks 41st of 186 countries.
Where does this data come from?: Statizoid (derived), published as IPPU — Emissions (CO2eq) from N2O (AR5), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Portugal vs Slovenia: IPPU — Emissions (CO2eq) from N2O (AR5), per square kilometre. Statizoid, drawing on Statizoid (derived). Retrieved 22 September 2026, from https://climate.statizoid.com/compare/ippu-emissions-co2eq-from-n2o-ar5-per-square-kilometre/portugal/slovenia/

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<a href="https://climate.statizoid.com/compare/ippu-emissions-co2eq-from-n2o-ar5-per-square-kilometre/portugal/slovenia/">Portugal vs Slovenia: IPPU — Emissions (CO2eq) from N2O (AR5), per square kilometre</a> — Statizoid

About this data

Indicator: IPPU — Emissions (CO2eq) from N2O (AR5), 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: 22 September 2026

IPPU — Emissions (CO2eq) from N2O (AR5) 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.