International statistics G20 responsible for approximately 83% of global CO₂ emissions

Global CO₂ emissions reached a level of 39.6 billion tonnes in 2024. The G20 states were responsible for around 83% of these emissions. The largest carbon dioxide emitters among the G20 members were China, the United States, India and the EU.

Taking the number of inhabitants into account, the ranking shifts. The highest CO₂ emissions per inhabitant of all G20 countries were recorded by Saudi Arabia with 17.7 tonnes. It was followed by Canada with 14.9 tonnes, Australia with 14.4 tonnes and the Russian Federation with 14.1 tonnes. With around 9.1 tonnes, China's per capita emissions were above the EU level of 5.6 tonnes.

The data on global CO₂ emissions can be found in the Emission Database for Global Atmospheric Research (EDGAR/JRC).

Last updated 29 September 2025