Iran vs South Africa: Cumulative CO₂ emissions by world region, gaps filled

Iran
21.81 billion tonnes
in 2024
South Africa
22.83 billion tonnes
in 2024
Iran rank
15th
South Africa rank
13th

Cumulative CO₂ emissions by world region, gaps filled over time

  • Iran
  • South Africa
05.0B10.0B15.0B20.0B25.0B188419542024

How they compare

South Africa currently reports 22.83 billion tonnes against 21.81 billion tonnes in Iran, a difference of 1.02 billion tonnes.

Across all 115 years both countries report, South Africa has been ahead every year.

Iran ranks 15th and South Africa ranks 13th of 215 countries.

South Africa has averaged higher in every one of the 13 decades both report.

Head to head by decade

Decade Iran South Africa Difference Ahead
1900s 3,664 tonnes 79.72 million tonnes 79.72 million tonnes South Africa
1910s 5.66 million tonnes 231.40 million tonnes 225.73 million tonnes South Africa
1920s 75.32 million tonnes 463.09 million tonnes 387.77 million tonnes South Africa
1930s 265.09 million tonnes 752.38 million tonnes 487.29 million tonnes South Africa
1940s 590.37 million tonnes 1.18 billion tonnes 590.11 million tonnes South Africa
1950s 854.43 million tonnes 1.83 billion tonnes 979.59 million tonnes South Africa
1960s 1.19 billion tonnes 2.84 billion tonnes 1.65 billion tonnes South Africa
1970s 2.16 billion tonnes 4.39 billion tonnes 2.22 billion tonnes South Africa
1980s 3.62 billion tonnes 6.84 billion tonnes 3.22 billion tonnes South Africa
1990s 5.70 billion tonnes 10.14 billion tonnes 4.44 billion tonnes South Africa
2000s 9.35 billion tonnes 13.99 billion tonnes 4.64 billion tonnes South Africa
2010s 14.94 billion tonnes 18.58 billion tonnes 3.64 billion tonnes South Africa
2020s 20.24 billion tonnes 21.95 billion tonnes 1.71 billion tonnes South Africa

Averages of every year both report within each decade.

Frequently asked questions

Which has higher cumulative co₂ emissions by world region, gaps filled, Iran or South Africa?
South Africa, at 22.83 billion tonnes against 21.81 billion tonnes in Iran as of 2024.
What is the difference in cumulative co₂ emissions by world region, gaps filled between Iran and South Africa?
1.02 billion tonnes, with South Africa ahead.
How many years of comparable data are there for Iran and South Africa?
115 years are reported by both, from 1906 to 2024.
How do Iran and South Africa rank globally for cumulative co₂ emissions by world region, gaps filled?
Iran ranks 15th and South Africa ranks 13th of 215 countries.
Where does this data come from?
Statizoid (derived), published as Cumulative CO₂ emissions by world region, gaps filled. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Iran vs South Africa: Cumulative CO₂ emissions by world region, gaps filled. Statizoid, drawing on Statizoid (derived). Retrieved 17 September 2026, from https://climate.statizoid.com/compare/cumulative-co2-emissions-by-world-region-gaps-filled/iran-islamic-rep/south-africa/

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About this data

Indicator
Cumulative CO₂ emissions by world region, gaps filled
Unit
tonnes
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
215 places, 23,492 data points, 1750–2024
Last refreshed

Cumulative CO₂ emissions by world region with 84 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.