Here is the list of the world's top 10 busiest airports by passenger traffic in 2010, according to the data provided by Airports Council International. A passenger is described as someone who arrives in, departs from, or transfers through the airport on a given day.

Hartsfield-Jackson Atlanta International Airport, also known as Hartsfield or Atlanta Airport, is the world's busiest airport by passenger traffic and number of landings and take-offs since 1999.