Global per capita greenhouse gas emissions 2022, by select OECD country
Australia has the highest per capita greenhouse gas emissions of all OECD member countries in 2022, at 22 metric tons of carbon dioxide equivalent (tCO₂e). Canadians were the second-worst carbon polluters that year, with average emissions of just over 20 tCO₂e/cap.
12 of the 38 OECD member countries had per capita emissions below the global average in 2022, with Costa Rica, the most recent OECD member, averaging just three tCO₂e/cap.
