Canada vs United States: CO2 comparison 2021

Key questions

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

United States produced more emissions than Canada in 2021. United States produced 5032.21 million tonnes which is more than Canada's emissions at 537.17 million tonnes.

Did Canada emit more CO2 than United States in 2021?

No, Canada emitted fewer emissions than United States.

Did United States emit more CO2 than Canada in 2021?

Yes, United States emitted more emissions than Canada.

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