Brazil vs Iran: Cumulative CO₂ emissions from oil
Brazil
12.42 billion tonnes
in 2024
Iran
9.98 billion tonnes
in 2024
Brazil rank
12th
Iran rank
14th
Cumulative CO₂ emissions from oil over time
- Brazil
- Iran
How they compare
Brazil currently reports 12.42 billion tonnes against 9.98 billion tonnes in Iran, a difference of 2.44 billion tonnes.
That makes Brazil's figure about 1.2 times Iran's.
The two have swapped places 1 time across 115 shared years of data; in 1906 it was Iran ahead.
Brazil ranks 12th and Iran ranks 14th of 215 countries.
Across the 13 decades both report, Brazil averaged higher in 5 and Iran in 8.
Head to head by decade
| Decade | Brazil | Iran | Difference | Ahead |
|---|---|---|---|---|
| 1900s | 0 tonnes | 3,664 tonnes | 3,664 tonnes | Iran |
| 1910s | 0 tonnes | 5.66 million tonnes | 5.66 million tonnes | Iran |
| 1920s | 0 tonnes | 75.32 million tonnes | 75.32 million tonnes | Iran |
| 1930s | 97,107 tonnes | 265.07 million tonnes | 264.98 million tonnes | Iran |
| 1940s | 1.02 million tonnes | 588.49 million tonnes | 587.47 million tonnes | Iran |
| 1950s | 111.88 million tonnes | 829.48 million tonnes | 717.60 million tonnes | Iran |
| 1960s | 491.29 million tonnes | 991.27 million tonnes | 499.98 million tonnes | Iran |
| 1970s | 1.34 billion tonnes | 1.40 billion tonnes | 65.00 million tonnes | Iran |
| 1980s | 2.69 billion tonnes | 2.28 billion tonnes | 415.19 million tonnes | Brazil |
| 1990s | 4.29 billion tonnes | 3.61 billion tonnes | 681.84 million tonnes | Brazil |
| 2000s | 6.56 billion tonnes | 5.59 billion tonnes | 968.87 million tonnes | Brazil |
| 2010s | 9.44 billion tonnes | 7.89 billion tonnes | 1.55 billion tonnes | Brazil |
| 2020s | 11.78 billion tonnes | 9.55 billion tonnes | 2.23 billion tonnes | Brazil |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher cumulative co₂ emissions from oil, Brazil or Iran?
- Brazil, at 12.42 billion tonnes against 9.98 billion tonnes in Iran as of 2024.
- What is the difference in cumulative co₂ emissions from oil between Brazil and Iran?
- 2.44 billion tonnes, with Brazil ahead.
- How many years of comparable data are there for Brazil and Iran?
- 115 years are reported by both, from 1906 to 2024.
- How do Brazil and Iran rank globally for cumulative co₂ emissions from oil?
- Brazil ranks 12th and Iran ranks 14th of 215 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 oil. 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 oil since the first year of available data, measured in tonnes.