Top ten world’s busiest airports by passenger traffic are measured by number of total passengers (data provided by Airports Council International and BAA). One passenger is described as someone who arrives in, departs from, or transfers through the airport on a given day. Hartsfield-Jackson International Airport in Atlanta has been the world’s busiest airport every year since 2000 whilst London has the world’s busiest city airspace with 2 of its airports regularly found in the top ten.
1. Hartsfield-Jackson Atlanta International Airport – Georgia, United States
Total Passengers: 20,181,931
2. O’Hare International Airport – Chicago, Illinois, United States
Total Passenger: 15,346,475
3. London Heathrow Airport – United Kingdom
Total Passengers: 15,268,609

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