Initial data shows many previous busiest airports have now re-joined top ranks as recovery continues / Note: Since issuance, figure for air cargo representing total metric tonnes at top 10 airports has been amended to 34.2 million and cargo figures for Taipei (TPE) have been updated. Montreal, 11 April 2022 – Airports Council International (ACI) World has today published the top 10 busiest airports worldwide for 2021 showing encouraging signs of traffic recovery as many previous busiest airports re-join top ranks. The world airport rankings are based on the preliminary compilation of 2021 global data from airports around the world. Due to ACI’s reach as the trade association of the world’s airports, the rankings reflect the most updated airport data used by the industry and include passenger traffic, cargo volumes, and aircraft movements. (....)