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 Nitrous oxide (N2O) emissions (total) excluding LULUCF (Mt CO2e), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Portugal vs Slovenia: Nitrous oxide (N2O) emissions (total) excluding LULUCF (Mt CO2e), per

Portugal

0 Mt CO2e per square kilometre

in 2023

Slovenia

0 Mt CO2e per square kilometre

in 2023

Portugal rank

75th

Slovenia rank

74th

Nitrous oxide (N2O) emissions (total) excluding LULUCF (Mt CO2e), per over time

Portugal
Slovenia

How they compare

Slovenia currently reports 0 Mt CO2e per square kilometre against 0 Mt CO2e per square kilometre in Portugal, a difference of 0 Mt CO2e per square kilometre.

The two have swapped places 7 times across 32 shared years of data; in 1992 it was Portugal ahead.

Portugal ranks 75th and Slovenia ranks 74th of 203 countries.

Across the 4 decades both report, Portugal averaged higher in 3 and Slovenia in 1.

Head to head by decade

Decade	Portugal	Slovenia	Difference	Ahead
1990s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Portugal
2000s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Slovenia
2010s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Portugal
2020s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Portugal

Averages of every year both report within each decade.

Frequently asked questions

Which has higher nitrous oxide (n2o) emissions (total) excluding lulucf (mt co2e), per, Portugal or Slovenia?: Slovenia, at 0 Mt CO2e per square kilometre against 0 Mt CO2e per square kilometre in Portugal as of 2023.
What is the difference in nitrous oxide (n2o) emissions (total) excluding lulucf (mt co2e), per between Portugal and Slovenia?: 0 Mt CO2e per square kilometre, with Slovenia 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 nitrous oxide (n2o) emissions (total) excluding lulucf (mt co2e), per?: Portugal ranks 75th and Slovenia ranks 74th of 203 countries.
Where does this data come from?: Statizoid (derived), published as Nitrous oxide (N2O) emissions (total) excluding LULUCF (Mt CO2e), 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: Nitrous oxide (N2O) emissions (total) excluding LULUCF (Mt CO2e), per. Statizoid, drawing on Statizoid (derived). Retrieved 22 September 2026, from https://environment.statizoid.com/compare/nitrous-oxide-n2o-emissions-total-excluding-lulucf-mt-co2e-per-square-kilometre/portugal/slovenia/

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<a href="https://environment.statizoid.com/compare/nitrous-oxide-n2o-emissions-total-excluding-lulucf-mt-co2e-per-square-kilometre/portugal/slovenia/">Portugal vs Slovenia: Nitrous oxide (N2O) emissions (total) excluding LULUCF (Mt CO2e), per</a> — Statizoid

About this data

Indicator: Nitrous oxide (N2O) emissions (total) excluding LULUCF (Mt CO2e), per square kilometre
Unit: Mt CO2e per square kilometre
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 250 places, 12,804 data points, 1970–2023
Last refreshed: 19 September 2026

Nitrous oxide (N2O) emissions (total) excluding LULUCF (Mt CO2e) 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.