Atlanta Hartsfield-Jackson International Airport It is recognized as the busiest airport in the world. It holds the leader in crowded airports since 2005, with over 90 millions of passengers annually.
At the end of 2012, the Atlanta airport registered one weekly traffic by 1,927,531 of passengers. Secondly, at a very short distance, is Beijing Capital International Airport NUMBER of passengers. Changi Airport has entered the top 10 due to low-cost air traffic. 30% of Singapore Changi's operations are done by Tiger Airways, Jetstar and AirAsia. Dubai Airport has entered the top 5 and they are very likely to reach the top 3 at the end of 2013.
London Heathrow Airport remains the busiest in Europe, followed by Paris Charles De Gaulle and Frankfurt - a top 3 airports in Europe unchanged.
| Rank | Airport | Total Seats | |
|---|---|---|---|
| 1 | ATL | Atlanta Hartsfield-Jackson International Airport | 1,927,531 |
| 2 | PEK | Beijing Capital International Airport | 1,918,574 |
| 3 | HND | Tokyo Haneda Airport | 1,813,291 |
| 4 | Lhr | London Heathrow Airport | 1,668,272 |
| 5 | DXB | Dubai International Airport | 1,587,901 |
| 6 | LAX | Los Angeles International Airport | 1,442,395 |
| 7 | HKG | Hong Kong International Airport | 1,435,824 |
| 8 | CGK | Jakarta Soekarno-Hatta International Airport | 1,428,587 |
| 9 | ORD | Chicago O'Hare International Airport | 1,390,176 |
| 10 | without | Singapore Changi Airport | 1,388,096 |
| 11 | CDG | Paris Charles De Gaulle Airport | 1,374,546 |
| 12 | Dfw | Dallas / Fort Worth International Airport | 1,357,687 |
| 13 | BKK | Bangkok Suvarnabhumi International | 1,184,100 |
| 14 | FRA | Frankfurt Airport | 1,173,033 |
| 15 | JFK | New York John F Kennedy International Airport | 1,166,772 |
| 16 | CAN | Guangzhou Baiyun Airport | 1,161,996 |
| 17 | THE | Denver International Airport | 1,144,936 |
| 18 | KUL | Kuala Lumpur International Airport | 1,111,481 |
| 19 | PVG | Shanghai Pudong Airport | 1,091,377 |
| 20 | IS | Istanbul Ataturk Airport | 1,075,389 |
| 21 | CLT | Charlotte Douglas Airport | 999,452 |
| 22 | ICN | Seoul Incheon International Airport | 986,851 |
| 23 | PHX | Phoenix Sky Harbor International Airport | 979,012 |
| 24 | MIA | Miami International Airport | 966,980 |
| 25 | SFO | San Francisco International Airport | 950,316 |
| 26 | SYD | Sydney Kingsford Smith Airport | 934,711 |
| 27 | AMS | Amsterdam Airport Schiphol | 934,284 |
| 28 | OF | Delhi Indira Gandhi International Airport | 906,331 |
| 29 | IAH | Houston George Bush Intercontinental Airport | 904,217 |
| 30 | MAD | Madrid Barajas Airport | 898,417 |
| 31 | LAS | Las Vegas McCarran International Airport | 877,116 |
| 32 | NRT | Tokyo Narita Airport | 873,223 |
| 33 | GOOD | Mumbai Airport | 832,731 |
| 34 | MNL | Manila Ninoy Aquino International Airport | 829,348 |
| 35 | YYZ | Toronto Pearson International Airport | 822,634 |
| 36 | MCO | Orlando International Airport | 811,787 |
| 37 | CRANE | Sao Paulo Guarulhos International Airport | 789,362 |
| 38 | EEA | New York Newark Liberty International Airport | 777,024 |
| 39 | SHA | Shanghai Hongqiao Airport | 775,566 |
| 40 | FCO | Rome Fiumicino Airport | 775,156 |
| 41 | Small businesses | Taipei Taoyuan International Airport | 750,297 |
| 42 | PHL | Philadelphia International Airport | 742,838 |
| 43 | KMG | Kunming Airport | 742,209 |
| 44 | HONEY | Melbourne Tullamarine Airport | 723,837 |
| 45 | SZX | Shenzhen Airport | 714,341 |
| 46 | MUC | Munich Airport | 704,522 |
| 47 | MEX | Mexico City Juarez International Airport | 703,654 |
| 48 | SEA | Seattle / Tacoma International Airport | 692,548 |
| 49 | CTU | Chengdu Airport | 652,594 |
| 50 | BCN | Barcelona El Prat Airport | 638,575 |
Source: CAPA - Center for Aviation & Innovate