Iran vs United States: Co emissions by sector

Iran
162.73 million
in 2023
United States
514.17 million
in 2023
Iran rank
4th
United States rank
1st

Co emissions by sector over time

  • Iran
  • United States
0200.0M400.0M600.0M199020062023

How they compare

United States currently reports 514.17 million against 162.73 million in Iran, a difference of 351.44 million.

That makes United States's figure about 3.2 times Iran's.

Across all 34 years both countries report, United States has been ahead every year.

Iran ranks 4th and United States ranks 1st of 187 countries.

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

Head to head by decade

Decade Iran United States Difference Ahead
1990s 65.63 million 573.95 million 508.33 million United States
2000s 108.48 million 570.58 million 462.09 million United States
2010s 125.59 million 520.91 million 395.31 million United States
2020s 154.34 million 525.24 million 370.90 million United States

Averages of every year both report within each decade.

Frequently asked questions

Which has higher co emissions by sector, Iran or United States?
United States, at 514.17 million against 162.73 million in Iran as of 2023.
What is the difference in co emissions by sector between Iran and United States?
351.44 million, with United States ahead.
How many years of comparable data are there for Iran and United States?
34 years are reported by both, from 1990 to 2023.
How do Iran and United States rank globally for co emissions by sector?
Iran ranks 4th and United States ranks 1st of 187 countries.
Where does this data come from?
Our World in Data, published as Co emissions by sector. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Iran vs United States: Co emissions by sector. Statizoid, drawing on Our World in Data. Retrieved 15 November 2026, from https://climate.statizoid.com/compare/co-emissions-by-sector/iran-islamic-rep/united-states/

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About this data

Indicator
Co emissions by sector
Source
Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
187 places, 6,310 data points, 1990–2023
Last refreshed