The database provides measures of COâ‚‚ emissions on a territory basis, which is used for reporting in the UN Framework Convention on Climate Change (UNFCCC) inventories. The emissions are estimated for 186 countries by the OECD, based on a consistent methodology across countries.
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COâ‚‚ emissions from air transportation 2019-2024, by type
Global carbon dioxide emissions from air transportation increased by almost percent in 2024, to an estimated *** million metric tons (MtCOâ‚‚) in 2024. Air transportation emissions have been rising annually since the dramatic reductions observed in 2020, which were caused by the outbreak of COVID-19. Around ** percent of global aviation emissions come from international flights.
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OECD. (February 13, 2025). Carbon dioxide emissions from domestic and international air transportation from 2019 to 2024 (in million metric tons COâ‚‚) [Graph]. In ÀÖ²¥´«Ã½app×îа汾. Retrieved August 13, 2026, from /statistics/1534854/worldwide-co2-emissions-by-flight-type/
OECD. "Carbon dioxide emissions from domestic and international air transportation from 2019 to 2024 (in million metric tons COâ‚‚)." Chart. February 13, 2025. ÀÖ²¥´«Ã½app×îа汾. Accessed August 13, 2026. /statistics/1534854/worldwide-co2-emissions-by-flight-type/
OECD. (2025). Carbon dioxide emissions from domestic and international air transportation from 2019 to 2024 (in million metric tons COâ‚‚). ÀÖ²¥´«Ã½app×îа汾. ÀÖ²¥´«Ã½app×îа汾 Inc.. Accessed: August 13, 2026. /statistics/1534854/worldwide-co2-emissions-by-flight-type/
OECD. "Carbon Dioxide Emissions from Domestic and International Air Transportation from 2019 to 2024 (in Million Metric Tons Coâ‚‚)." ÀÖ²¥´«Ã½app×îа汾, ÀÖ²¥´«Ã½app×îа汾 Inc., 13 Feb 2025, /statistics/1534854/worldwide-co2-emissions-by-flight-type/
OECD, Carbon dioxide emissions from domestic and international air transportation from 2019 to 2024 (in million metric tons COâ‚‚) ÀÖ²¥´«Ã½app×îа汾, /statistics/1534854/worldwide-co2-emissions-by-flight-type/ (last visited August 13, 2026)
Carbon dioxide emissions from domestic and international air transportation from 2019 to 2024 (in million metric tons COâ‚‚) [Graph], OECD, February 13, 2025. [Online]. Available: /statistics/1534854/worldwide-co2-emissions-by-flight-type/
