Aviation's share of global CO₂ emissions, 1940 to 2021

Given as a share of carbon dioxide emissions from fossil fuels and land use change.

1940202119501960197019801990200020101%World

Data source: Calculated by Our World in Data based on Lee et al. (2020); Bergero et al. (2023); and the Global Carbon Project.Learn more about this data

Note: Non-CO₂ forcings from aviation, and the increased warming impacts are altitude are not included.

Aviation's share of global CO₂ emissions

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