Iran vs Saudi Arabia: Cumulative CO₂ emissions from oil, gaps filled

Iran
9.98 billion tonnes
in 2024
Saudi Arabia
11.72 billion tonnes
in 2024
Iran rank
14th
Saudi Arabia rank
13th

Cumulative CO₂ emissions from oil, gaps filled over time

  • Iran
  • Saudi Arabia
02.5B5.0B7.5B10.0B12.5B190619652024

How they compare

Saudi Arabia currently reports 11.72 billion tonnes against 9.98 billion tonnes in Iran, a difference of 1.75 billion tonnes.

That makes Saudi Arabia's figure about 1.2 times Iran's.

The two have swapped places 1 time across 89 shared years of data; in 1936 it was Iran ahead.

Iran ranks 14th and Saudi Arabia ranks 13th of 215 countries.

Across the 10 decades both report, Iran averaged higher in 9 and Saudi Arabia in 1.

Head to head by decade

Decade Iran Saudi Arabia Difference Ahead
1930s 342.18 million tonnes 542,271 tonnes 341.64 million tonnes Iran
1940s 588.49 million tonnes 41.75 million tonnes 546.74 million tonnes Iran
1950s 829.48 million tonnes 130.16 million tonnes 699.32 million tonnes Iran
1960s 991.27 million tonnes 162.35 million tonnes 828.92 million tonnes Iran
1970s 1.40 billion tonnes 317.55 million tonnes 1.08 billion tonnes Iran
1980s 2.28 billion tonnes 1.07 billion tonnes 1.21 billion tonnes Iran
1990s 3.61 billion tonnes 2.56 billion tonnes 1.04 billion tonnes Iran
2000s 5.59 billion tonnes 4.53 billion tonnes 1.06 billion tonnes Iran
2010s 7.89 billion tonnes 7.80 billion tonnes 90.26 million tonnes Iran
2020s 9.55 billion tonnes 10.84 billion tonnes 1.29 billion tonnes Saudi Arabia

Averages of every year both report within each decade.

Frequently asked questions

Which has higher cumulative co₂ emissions from oil, gaps filled, Iran or Saudi Arabia?
Saudi Arabia, at 11.72 billion tonnes against 9.98 billion tonnes in Iran as of 2024.
What is the difference in cumulative co₂ emissions from oil, gaps filled between Iran and Saudi Arabia?
1.75 billion tonnes, with Saudi Arabia ahead.
How many years of comparable data are there for Iran and Saudi Arabia?
89 years are reported by both, from 1936 to 2024.
How do Iran and Saudi Arabia rank globally for cumulative co₂ emissions from oil, gaps filled?
Iran ranks 14th and Saudi Arabia ranks 13th of 215 countries.
Where does this data come from?
Statizoid (derived), published as Cumulative CO₂ emissions from oil, gaps filled. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Iran vs Saudi Arabia: Cumulative CO₂ emissions from oil, gaps filled. Statizoid, drawing on Statizoid (derived). Retrieved 06 November 2026, from https://climate.statizoid.com/compare/cumulative-co2-emissions-from-oil-gaps-filled/iran-islamic-rep/saudi-arabia/

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About this data

Indicator
Cumulative CO₂ emissions from oil, gaps filled
Unit
tonnes
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
215 places, 21,826 data points, 1750–2024
Last refreshed

Cumulative CO₂ emissions from oil with 86 missing years estimated by linear interpolation between the nearest real observations. Only gaps of 4 years or fewer are filled, and never beyond the first or last actual measurement — these are filled holes, not forecasts.