Australia vs United States: CO2 comparison 2021

Key questions

Who produced more CO2 emissions in 2021, Australia or United States?

United States produced more emissions than Australia in 2021. United States produced 5032.21 million tonnes which is more than Australia's emissions at 386.61 million tonnes.

Did Australia emit more CO2 than United States in 2021?

No, Australia emitted fewer emissions than United States.

Did United States emit more CO2 than Australia in 2021?

Yes, United States emitted more emissions than Australia.

See how United States and Australia compare to other countries in our rankings.