Iran, Islamic Rep. vs Saudi Arabia: Greenhouse gas emissions
Iran, Islamic Rep.
1.01 billion tonnes of CO₂ equivalents
in 2024
Saudi Arabia
821.84 million tonnes of CO₂ equivalents
in 2024
Iran, Islamic Rep. rank
7th
Saudi Arabia rank
9th
Greenhouse gas emissions over time
- Iran, Islamic Rep.
- Saudi Arabia
How they compare
Iran, Islamic Rep. currently reports 1.01 billion tonnes of CO₂ equivalents against 821.84 million tonnes of CO₂ equivalents in Saudi Arabia, a difference of 190.38 million tonnes of CO₂ equivalents.
That makes Iran, Islamic Rep.'s figure about 1.2 times Saudi Arabia's.
The two have swapped places 4 times across 175 shared years of data; in 1850 it was Iran, Islamic Rep. ahead.
Iran, Islamic Rep. ranks 7th and Saudi Arabia ranks 9th of 199 countries.
Iran, Islamic Rep. has averaged higher in every one of the 18 decades both report.
Head to head by decade
| Decade | Iran, Islamic Rep. | Saudi Arabia | Difference | Ahead |
|---|---|---|---|---|
| 1850s | 10.07 million tonnes of CO₂ equivalents | -269,787 tonnes of CO₂ equivalents | 10.34 million tonnes of CO₂ equivalents | Iran, Islamic Rep. |
| 1860s | 10.37 million tonnes of CO₂ equivalents | 163,210 tonnes of CO₂ equivalents | 10.21 million tonnes of CO₂ equivalents | Iran, Islamic Rep. |
| 1870s | 15.86 million tonnes of CO₂ equivalents | 299,190 tonnes of CO₂ equivalents | 15.56 million tonnes of CO₂ equivalents | Iran, Islamic Rep. |
| 1880s | 19.90 million tonnes of CO₂ equivalents | 359,468 tonnes of CO₂ equivalents | 19.55 million tonnes of CO₂ equivalents | Iran, Islamic Rep. |
| 1890s | 20.16 million tonnes of CO₂ equivalents | 387,949 tonnes of CO₂ equivalents | 19.77 million tonnes of CO₂ equivalents | Iran, Islamic Rep. |
| 1900s | 20.09 million tonnes of CO₂ equivalents | 384,940 tonnes of CO₂ equivalents | 19.71 million tonnes of CO₂ equivalents | Iran, Islamic Rep. |
| 1910s | 22.23 million tonnes of CO₂ equivalents | 372,675 tonnes of CO₂ equivalents | 21.86 million tonnes of CO₂ equivalents | Iran, Islamic Rep. |
| 1920s | 34.44 million tonnes of CO₂ equivalents | 379,992 tonnes of CO₂ equivalents | 34.06 million tonnes of CO₂ equivalents | Iran, Islamic Rep. |
| 1930s | 47.56 million tonnes of CO₂ equivalents | 991,838 tonnes of CO₂ equivalents | 46.57 million tonnes of CO₂ equivalents | Iran, Islamic Rep. |
| 1940s | 67.68 million tonnes of CO₂ equivalents | 36.84 million tonnes of CO₂ equivalents | 30.84 million tonnes of CO₂ equivalents | Iran, Islamic Rep. |
| 1950s | 70.09 million tonnes of CO₂ equivalents | 7.10 million tonnes of CO₂ equivalents | 62.99 million tonnes of CO₂ equivalents | Iran, Islamic Rep. |
| 1960s | 162.11 million tonnes of CO₂ equivalents | 26.94 million tonnes of CO₂ equivalents | 135.16 million tonnes of CO₂ equivalents | Iran, Islamic Rep. |
| 1970s | 305.00 million tonnes of CO₂ equivalents | 145.62 million tonnes of CO₂ equivalents | 159.38 million tonnes of CO₂ equivalents | Iran, Islamic Rep. |
| 1980s | 253.76 million tonnes of CO₂ equivalents | 233.37 million tonnes of CO₂ equivalents | 20.39 million tonnes of CO₂ equivalents | Iran, Islamic Rep. |
| 1990s | 426.80 million tonnes of CO₂ equivalents | 320.30 million tonnes of CO₂ equivalents | 106.49 million tonnes of CO₂ equivalents | Iran, Islamic Rep. |
| 2000s | 621.26 million tonnes of CO₂ equivalents | 482.46 million tonnes of CO₂ equivalents | 138.79 million tonnes of CO₂ equivalents | Iran, Islamic Rep. |
| 2010s | 802.55 million tonnes of CO₂ equivalents | 723.23 million tonnes of CO₂ equivalents | 79.33 million tonnes of CO₂ equivalents | Iran, Islamic Rep. |
| 2020s | 968.71 million tonnes of CO₂ equivalents | 800.36 million tonnes of CO₂ equivalents | 168.35 million tonnes of CO₂ equivalents | Iran, Islamic Rep. |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher greenhouse gas emissions, Iran, Islamic Rep. or Saudi Arabia?
- Iran, Islamic Rep., at 1.01 billion tonnes of CO₂ equivalents against 821.84 million tonnes of CO₂ equivalents in Saudi Arabia as of 2024.
- What is the difference in greenhouse gas emissions between Iran, Islamic Rep. and Saudi Arabia?
- 190.38 million tonnes of CO₂ equivalents, with Iran, Islamic Rep. ahead.
- How many years of comparable data are there for Iran, Islamic Rep. and Saudi Arabia?
- 175 years are reported by both, from 1850 to 2024.
- How do Iran, Islamic Rep. and Saudi Arabia rank globally for greenhouse gas emissions?
- Iran, Islamic Rep. ranks 7th and Saudi Arabia ranks 9th of 199 countries.
- Where does this data come from?
- Jones et al. (2025) – with major processing by Our World in Data, published as Greenhouse gas emissions. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Greenhouse gas emissions are measured in tonnes of carbon dioxide-equivalents over a 100-year timescale.