United States vs China: CO2 comparison 2021

Key questions

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

China produced more emissions than United States in 2021. China produced 11336.23 million tonnes which is more than United States's emissions at 5032.21 million tonnes.

Did United States emit more CO2 than China in 2021?

No, United States emitted fewer emissions than China.

Did China emit more CO2 than United States in 2021?

Yes, China emitted more emissions than United States.

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