CO2 emissions from international aviation

The United Kingdom is the top country by CO2 emissions from international aviation in the world. As of 2023, CO2 emissions from international aviation in the United Kingdom was 6.23 million tonnes that accounts for 100.00% of the world's CO2 emissions from international aviation. The top 1 countries (others are ) account for 100.00% of it. The world's total CO2 emissions from international aviation was estimated at 6.23 million tonnes in 2023.