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

54 years are reported by both, from 1970 to 2023.

Where does this data come from?

Statizoid (derived), published as Carbon dioxide (CO2) emissions (total) excluding LULUCF (Mt CO2e), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Iran vs United States: Carbon dioxide (CO2) emissions (total) excluding LULUCF (Mt CO2e)

Iran

0.0005 Mt CO2e per square kilometre

in 2023

United States

0.0005 Mt CO2e per square kilometre

in 2023

Iran rank

56th

United States rank

55th

Carbon dioxide (CO2) emissions (total) excluding LULUCF (Mt CO2e) over time

Iran
United States

How they compare

United States currently reports 0.0005 Mt CO2e per square kilometre against 0.0005 Mt CO2e per square kilometre in Iran, a difference of 0 Mt CO2e per square kilometre.

Across all 54 years both countries report, United States has been ahead every year.

Iran ranks 56th and United States ranks 55th of 203 countries.

United States has averaged higher in every one of the 6 decades both report.

Head to head by decade

Decade	Iran	United States	Difference	Ahead
1970s	0.0001 Mt CO2e per square kilometre	0.0005 Mt CO2e per square kilometre	0.0004 Mt CO2e per square kilometre	United States
1980s	0.0001 Mt CO2e per square kilometre	0.0005 Mt CO2e per square kilometre	0.0004 Mt CO2e per square kilometre	United States
1990s	0.0002 Mt CO2e per square kilometre	0.0006 Mt CO2e per square kilometre	0.0004 Mt CO2e per square kilometre	United States
2000s	0.0003 Mt CO2e per square kilometre	0.0006 Mt CO2e per square kilometre	0.0003 Mt CO2e per square kilometre	United States
2010s	0.0004 Mt CO2e per square kilometre	0.0006 Mt CO2e per square kilometre	0.0002 Mt CO2e per square kilometre	United States
2020s	0.0005 Mt CO2e per square kilometre	0.0005 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	United States

Averages of every year both report within each decade.

Frequently asked questions

Which has higher carbon dioxide (co2) emissions (total) excluding lulucf (mt co2e), Iran or United States?: United States, at 0.0005 Mt CO2e per square kilometre against 0.0005 Mt CO2e per square kilometre in Iran as of 2023.
What is the difference in carbon dioxide (co2) emissions (total) excluding lulucf (mt co2e) between Iran and United States?: 0 Mt CO2e per square kilometre, with United States ahead.
How many years of comparable data are there for Iran and United States?: 54 years are reported by both, from 1970 to 2023.
How do Iran and United States rank globally for carbon dioxide (co2) emissions (total) excluding lulucf (mt co2e)?: Iran ranks 56th and United States ranks 55th of 203 countries.
Where does this data come from?: Statizoid (derived), published as Carbon dioxide (CO2) 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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Iran vs United States: Carbon dioxide (CO2) emissions (total) excluding LULUCF (Mt CO2e). Statizoid, drawing on Statizoid (derived). Retrieved 21 September 2026, from https://environment.statizoid.com/compare/carbon-dioxide-co2-emissions-total-excluding-lulucf-mt-co2e-per-square-kilometre/iran-islamic-rep/united-states/

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<a href="https://environment.statizoid.com/compare/carbon-dioxide-co2-emissions-total-excluding-lulucf-mt-co2e-per-square-kilometre/iran-islamic-rep/united-states/">Iran vs United States: Carbon dioxide (CO2) emissions (total) excluding LULUCF (Mt CO2e)</a> — Statizoid

About this data

Indicator: Carbon dioxide (CO2) 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: 20 September 2026

Carbon dioxide (CO2) 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.