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

55 years are reported by both, from 1970 to 2024.

Where does this data come from?

Statizoid (derived), published as Nitrous oxide (N2O) emissions from Building (Energy) (Mt CO2e), per capita. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Iran vs Portugal: Nitrous oxide (N2O) emissions from Building (Energy) (Mt CO2e), per

Iran

0 Mt CO2e per person

in 2024

Portugal

0 Mt CO2e per person

in 2024

Iran rank

45th

Portugal rank

48th

Nitrous oxide (N2O) emissions from Building (Energy) (Mt CO2e), per over time

Iran
Portugal

How they compare

Iran currently reports 0 Mt CO2e per person against 0 Mt CO2e per person in Portugal, a difference of 0 Mt CO2e per person.

The two have swapped places 7 times across 55 shared years of data; in 1970 it was Portugal ahead.

Iran ranks 45th and Portugal ranks 48th of 197 countries.

Across the 6 decades both report, Iran averaged higher in 4 and Portugal in 2.

Head to head by decade

Decade	Iran	Portugal	Difference	Ahead
1970s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Portugal
1980s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Iran
1990s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Iran
2000s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Iran
2010s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Iran
2020s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Portugal

Averages of every year both report within each decade.

Frequently asked questions

Which has higher nitrous oxide (n2o) emissions from building (energy) (mt co2e), per, Iran or Portugal?: Iran, at 0 Mt CO2e per person against 0 Mt CO2e per person in Portugal as of 2024.
What is the difference in nitrous oxide (n2o) emissions from building (energy) (mt co2e), per between Iran and Portugal?: 0 Mt CO2e per person, with Iran ahead.
How many years of comparable data are there for Iran and Portugal?: 55 years are reported by both, from 1970 to 2024.
How do Iran and Portugal rank globally for nitrous oxide (n2o) emissions from building (energy) (mt co2e), per?: Iran ranks 45th and Portugal ranks 48th of 197 countries.
Where does this data come from?: Statizoid (derived), published as Nitrous oxide (N2O) emissions from Building (Energy) (Mt CO2e), per capita. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Iran vs Portugal: Nitrous oxide (N2O) emissions from Building (Energy) (Mt CO2e), per. Statizoid, drawing on Statizoid (derived). Retrieved 19 September 2026, from https://environment.statizoid.com/compare/nitrous-oxide-n2o-emissions-from-building-energy-mt-co2e-per-capita/iran-islamic-rep/portugal/

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<a href="https://environment.statizoid.com/compare/nitrous-oxide-n2o-emissions-from-building-energy-mt-co2e-per-capita/iran-islamic-rep/portugal/">Iran vs Portugal: Nitrous oxide (N2O) emissions from Building (Energy) (Mt CO2e), per</a> — Statizoid

About this data

Indicator: Nitrous oxide (N2O) emissions from Building (Energy) (Mt CO2e), per capita
Unit: Mt CO2e per person
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 244 places, 13,420 data points, 1970–2024
Last refreshed: 19 September 2026

Nitrous oxide (N2O) emissions from Building (Energy) (Mt CO2e) divided by Population, total, matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.