Airports Council International (ACI) World has 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. Passenger traffic Total global passengers in 2021 is estimated to be close to 4.5 billion, representing an increase of almost 25% from 2020, or a drop of more than 50% from 2019 … Continue reading World’s Top 10 Busiest Airports for 2021