China vs Iran: Annual CO₂ emissions from gas
China
889.41 million tonnes
in 2024
Iran
492.66 million tonnes
in 2024
China rank
2nd
Iran rank
4th
Annual CO₂ emissions from gas over time
- China
- Iran
How they compare
China currently reports 889.41 million tonnes against 492.66 million tonnes in Iran, a difference of 396.75 million tonnes.
That makes China's figure about 1.8 times Iran's.
The two have swapped places 5 times across 109 shared years of data; in 1911 it was Iran ahead.
China ranks 2nd and Iran ranks 4th of 146 countries.
Across the 12 decades both report, China averaged higher in 3 and Iran in 5.
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 | 196,390 tonnes | 1.21 million tonnes | 1.01 million tonnes | Iran |
| 1960s | 2.50 million tonnes | 3.03 million tonnes | 520,664 tonnes | Iran |
| 1970s | 16.15 million tonnes | 20.85 million tonnes | 4.70 million tonnes | Iran |
| 1980s | 25.62 million tonnes | 24.67 million tonnes | 943,170 tonnes | China |
| 1990s | 40.38 million tonnes | 74.29 million tonnes | 33.92 million tonnes | Iran |
| 2000s | 94.55 million tonnes | 189.54 million tonnes | 94.99 million tonnes | Iran |
| 2010s | 390.72 million tonnes | 344.98 million tonnes | 45.74 million tonnes | China |
| 2020s | 786.67 million tonnes | 481.30 million tonnes | 305.36 million tonnes | China |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual co₂ emissions from gas, China or Iran?
- China, at 889.41 million tonnes against 492.66 million tonnes in Iran as of 2024.
- What is the difference in annual co₂ emissions from gas between China and Iran?
- 396.75 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 annual co₂ emissions from gas?
- China ranks 2nd and Iran ranks 4th of 146 countries.
- Where does this data come from?
- Global Carbon Budget (2025) – with major processing by Our World in Data, published as Annual CO₂ emissions from gas. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Annual emissions of carbon dioxide (CO₂) from gas, measured in tonnes.