Japan vs United Kingdom: CO2 comparison 2021

Key questions

Who produced more CO2 emissions in 2021, Japan or United Kingdom?

Japan produced more emissions than United Kingdom in 2021. Japan produced 1062.13 million tonnes which is more than United Kingdom's emissions at 347.47 million tonnes.

Did United Kingdom emit more CO2 than Japan in 2021?

No, United Kingdom emitted fewer emissions than Japan.

Did Japan emit more CO2 than United Kingdom in 2021?

Yes, Japan emitted more emissions than United Kingdom.

See how United Kingdom and Japan compare to other countries in our rankings.