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 Carbon dioxide (CO2) emissions from Transport (Energy) (Mt CO2e), per capita. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Iran vs Portugal: Carbon dioxide (CO2) emissions from Transport (Energy) (Mt CO2e), per

Iran

0 Mt CO2e per person

in 2024

Portugal

0 Mt CO2e per person

in 2024

Iran rank

49th

Portugal rank

48th

Carbon dioxide (CO2) emissions from Transport (Energy) (Mt CO2e), per over time

Iran
Portugal

How they compare

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

The two have swapped places 6 times across 55 shared years of data; in 1970 it was Portugal ahead.

Iran ranks 49th and Portugal ranks 48th of 194 countries.

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

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	Portugal
1990s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Portugal
2000s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Portugal
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	Iran

Averages of every year both report within each decade.

Frequently asked questions

Which has higher carbon dioxide (co2) emissions from transport (energy) (mt co2e), per, Iran or Portugal?: Portugal, at 0 Mt CO2e per person against 0 Mt CO2e per person in Iran as of 2024.
What is the difference in carbon dioxide (co2) emissions from transport (energy) (mt co2e), per between Iran and Portugal?: 0 Mt CO2e per person, with Portugal 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 carbon dioxide (co2) emissions from transport (energy) (mt co2e), per?: Iran ranks 49th and Portugal ranks 48th of 194 countries.
Where does this data come from?: Statizoid (derived), published as Carbon dioxide (CO2) emissions from Transport (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: Carbon dioxide (CO2) emissions from Transport (Energy) (Mt CO2e), per. Statizoid, drawing on Statizoid (derived). Retrieved 21 September 2026, from https://environment.statizoid.com/compare/carbon-dioxide-co2-emissions-from-transport-energy-mt-co2e-per-capita/iran-islamic-rep/portugal/

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<a href="https://environment.statizoid.com/compare/carbon-dioxide-co2-emissions-from-transport-energy-mt-co2e-per-capita/iran-islamic-rep/portugal/">Iran vs Portugal: Carbon dioxide (CO2) emissions from Transport (Energy) (Mt CO2e), per</a> — Statizoid

About this data

Indicator: Carbon dioxide (CO2) emissions from Transport (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: 241 places, 13,255 data points, 1970–2024
Last refreshed: 20 September 2026

Carbon dioxide (CO2) emissions from Transport (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.