China vs Iran: Cumulative CO₂ emissions from gas
China
9.63 billion tonnes
in 2024
Iran
8.99 billion tonnes
in 2024
China rank
3rd
Iran rank
5th
Cumulative CO₂ emissions from gas over time
- China
- Iran
How they compare
China currently reports 9.63 billion tonnes against 8.99 billion tonnes in Iran, a difference of 647.39 million tonnes.
That makes China's figure about 1.1 times Iran's.
The two have swapped places 1 time across 109 shared years of data; in 1911 it was Iran ahead.
China ranks 3rd and Iran ranks 5th of 146 countries.
Iran has averaged higher in every one of the 12 decades both report.
Head to head by decade
| Decade | China | Iran | Difference | Ahead |
|---|---|---|---|---|
| 1910s | 0 tonnes | 0 tonnes | 0 tonnes | — |
| 1920s | 0 tonnes | 0 tonnes | 0 tonnes | — |
| 1930s | 0 tonnes | 0 tonnes | 0 tonnes | — |
| 1940s | 0 tonnes | 0 tonnes | 0 tonnes | — |
| 1950s | 434,549 tonnes | 3.03 million tonnes | 2.60 million tonnes | Iran |
| 1960s | 13.88 million tonnes | 18.77 million tonnes | 4.89 million tonnes | Iran |
| 1970s | 93.43 million tonnes | 147.86 million tonnes | 54.43 million tonnes | Iran |
| 1980s | 325.42 million tonnes | 351.60 million tonnes | 26.18 million tonnes | Iran |
| 1990s | 642.75 million tonnes | 836.46 million tonnes | 193.71 million tonnes | Iran |
| 2000s | 1.27 billion tonnes | 2.14 billion tonnes | 872.59 million tonnes | Iran |
| 2010s | 3.57 billion tonnes | 4.88 billion tonnes | 1.32 billion tonnes | Iran |
| 2020s | 7.96 billion tonnes | 8.01 billion tonnes | 45.86 million tonnes | Iran |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher cumulative co₂ emissions from gas, China or Iran?
- China, at 9.63 billion tonnes against 8.99 billion tonnes in Iran as of 2024.
- What is the difference in cumulative co₂ emissions from gas between China and Iran?
- 647.39 million tonnes, with China ahead.
- How many years of comparable data are there for China and Iran?
- 109 years are reported by both, from 1911 to 2024.
- How do China and Iran rank globally for cumulative co₂ emissions from gas?
- China ranks 3rd and Iran ranks 5th of 146 countries.
- Where does this data come from?
- Global Carbon Budget (2025) – with major processing by Our World in Data, published as Cumulative CO₂ emissions from gas. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Cumulative emissions of carbon dioxide (CO₂) from gas since the first year of available data, measured in tonnes.