Brazil vs Iran: Greenhouse gas emissions

Brazil
2.80 billion tonnes of CO₂ equivalents
in 2024
Iran
1.01 billion tonnes of CO₂ equivalents
in 2024
Brazil rank
4th
Iran rank
7th

Greenhouse gas emissions over time

  • Brazil
  • Iran
01.0B2.0B3.0B4.0B185019372024

How they compare

Brazil currently reports 2.80 billion tonnes of CO₂ equivalents against 1.01 billion tonnes of CO₂ equivalents in Iran, a difference of 1.79 billion tonnes of CO₂ equivalents.

That makes Brazil's figure about 2.8 times Iran's.

Across all 175 years both countries report, Brazil has been ahead every year.

Brazil ranks 4th and Iran ranks 7th of 199 countries.

Brazil has averaged higher in every one of the 18 decades both report.

Head to head by decade

Decade Brazil Iran Difference Ahead
1850s 49.84 million tonnes of CO₂ equivalents 10.07 million tonnes of CO₂ equivalents 39.77 million tonnes of CO₂ equivalents Brazil
1860s 55.61 million tonnes of CO₂ equivalents 10.37 million tonnes of CO₂ equivalents 45.24 million tonnes of CO₂ equivalents Brazil
1870s 69.90 million tonnes of CO₂ equivalents 15.86 million tonnes of CO₂ equivalents 54.04 million tonnes of CO₂ equivalents Brazil
1880s 111.70 million tonnes of CO₂ equivalents 19.90 million tonnes of CO₂ equivalents 91.79 million tonnes of CO₂ equivalents Brazil
1890s 134.64 million tonnes of CO₂ equivalents 20.16 million tonnes of CO₂ equivalents 114.48 million tonnes of CO₂ equivalents Brazil
1900s 202.42 million tonnes of CO₂ equivalents 20.09 million tonnes of CO₂ equivalents 182.32 million tonnes of CO₂ equivalents Brazil
1910s 327.11 million tonnes of CO₂ equivalents 22.23 million tonnes of CO₂ equivalents 304.88 million tonnes of CO₂ equivalents Brazil
1920s 439.56 million tonnes of CO₂ equivalents 34.44 million tonnes of CO₂ equivalents 405.12 million tonnes of CO₂ equivalents Brazil
1930s 325.51 million tonnes of CO₂ equivalents 47.56 million tonnes of CO₂ equivalents 277.95 million tonnes of CO₂ equivalents Brazil
1940s 512.43 million tonnes of CO₂ equivalents 67.68 million tonnes of CO₂ equivalents 444.75 million tonnes of CO₂ equivalents Brazil
1950s 916.60 million tonnes of CO₂ equivalents 70.09 million tonnes of CO₂ equivalents 846.51 million tonnes of CO₂ equivalents Brazil
1960s 1.32 billion tonnes of CO₂ equivalents 162.11 million tonnes of CO₂ equivalents 1.16 billion tonnes of CO₂ equivalents Brazil
1970s 1.56 billion tonnes of CO₂ equivalents 305.00 million tonnes of CO₂ equivalents 1.26 billion tonnes of CO₂ equivalents Brazil
1980s 1.97 billion tonnes of CO₂ equivalents 253.76 million tonnes of CO₂ equivalents 1.72 billion tonnes of CO₂ equivalents Brazil
1990s 2.53 billion tonnes of CO₂ equivalents 426.80 million tonnes of CO₂ equivalents 2.11 billion tonnes of CO₂ equivalents Brazil
2000s 2.94 billion tonnes of CO₂ equivalents 621.26 million tonnes of CO₂ equivalents 2.32 billion tonnes of CO₂ equivalents Brazil
2010s 2.50 billion tonnes of CO₂ equivalents 802.55 million tonnes of CO₂ equivalents 1.69 billion tonnes of CO₂ equivalents Brazil
2020s 2.77 billion tonnes of CO₂ equivalents 968.71 million tonnes of CO₂ equivalents 1.80 billion tonnes of CO₂ equivalents Brazil

Averages of every year both report within each decade.

Frequently asked questions

Which has higher greenhouse gas emissions, Brazil or Iran?
Brazil, at 2.80 billion tonnes of CO₂ equivalents against 1.01 billion tonnes of CO₂ equivalents in Iran as of 2024.
What is the difference in greenhouse gas emissions between Brazil and Iran?
1.79 billion tonnes of CO₂ equivalents, with Brazil ahead.
How many years of comparable data are there for Brazil and Iran?
175 years are reported by both, from 1850 to 2024.
How do Brazil and Iran rank globally for greenhouse gas emissions?
Brazil ranks 4th and Iran ranks 7th 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

Indicator
Greenhouse gas emissions
Unit
tonnes of CO₂ equivalents
Source
Jones et al. (2025) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
199 places, 34,825 data points, 1850–2024
Last refreshed

Greenhouse gas emissions are measured in tonnes of carbon dioxide-equivalents over a 100-year timescale.