World's 30 busiest airports

Atlanta Hartsfield-Jackson International Airport

Total seats: 1,927,531

Hartsfield-Jackson Atlanta International Airport is one of the world's busiest airports by passenger traffic and aircraft movements. The airport handles almost 90 million passengers per year.

(Total Seats - From 31-Dec-2012 to 06-Jan-2013, System traffic, Source: CAPA – Centre for Aviation & Innovata)

...

Beijing Capital International Airport

Total seats: 1,918,574

Beijing Capital International Airport is the main international airport of the Chinese capital and one of the busiest airports in the world.

...

Tokyo Haneda Airport

Total seats: 1,813,291

Tokyo International Airport, commonly known as Haneda Airport, is the busier of the two major airports serving Tokyo, and one of the busiest airports in the world.

...

London Heathrow Airport

Total seats: 1,668,272

London Heathrow Airport is a major international airport and the principal international gateway serving the city of London.

...

Dubai International Airport

Total seats: 1,587,901

Dubai International Airport is one of largest airports in the Middle East, among the largest airports in the world and a key cargo hub in the region. The airport has seen phenomenal growth in the past decade.

...

Los Angeles International Airport

Total seats: 1,442,395

Los Angeles International Airport, known as LAX, is the main gateway to Los Angeles, California. LAX is among the busiest airports in the world and a major transfer point for transpacific services. 

...

Hong Kong International Airport

Total seats: 1,435,824

Hong Kong International Airport is on the island of Chep Lap Kok and the gateway to Hong Kong.

One of the largest passenger and cargo airports in the world, Hong Kong hosts regional and international passenger and cargo services for over 90 airlines.

...

Jakarta Soekarno-Hatta International Airport

Total seats: 1,428,587

Soekarno-Hatta International Airport is the main gateway to Jakarta, Indonesia. Hosting domestic, regional and international passenger and cargo services for over 25 airlines.

...

Chicago O'Hare International Airport

Total seats: 1,390,176

Operated by Chicago Airport System, Chicago O'Hare Airport is the major international airport serving the city of Chicago, Illinois.

O'Hare is a major hub of aviation activity in North America and ranks among the world's busiest airports.

...

Singapore Changi Airport

Total seats: 1,388,096

Singapore Changi Airport serves the country of Singapore and ranks among the busiest airports in Asia.

...

Paris Charles De Gaulle Airport

Total seats: 1,374,546

Paris Charles de Gaulle Airport is main international gateway to France and a major aviation hub in Europe.

...

Dallas/Fort Worth International Airport

Total seats: 1,357,687

Dallas Fort Worth International Airport is the main gateway to the Dallas Fort Worth metropolitan region in Texas and ranks among the world's busiest airports. In the US, DFW is second only to Denver International in terms of area size.

...

Bangkok Suvarnabhumi International Airport

Total seats: 1,184,100

Bangkok Suvarnabhumi Airport was opened in 2006 to replace Don Mueang Airport and is the main international gateway to Bangkok.

...

Frankfurt Airport

Total seats: 1,173,033

Frankfurt Airport serves the financial capital of Germany. The airport is the busiest in Germany, and ranks among the world's largest.

...

New York John F Kennedy International Airport

Total seats: 1,166,772

In 2011, John F Kennedy International Airport was the busiest international air passenger gateway to the United States, handling more international traffic than any other airport in North America.

...

Guangzhou Baiyun Airport

Total seats: 1,161,996

Operated by Guangzhou Baiyan International Airport Co Ltd, Guangzhou Baiyun International Airport serves Guangzhou, a major industrial centre and trading port.

...

Denver International Airport

Total seats: 1,144,936

Denver International Airport is the largest airport in the United States by total area, and the second largest airport in the world after King Fahd International Airport.

...

Kuala Lumpur International Airport

Total seats: 1,111,481

Kuala Lumpur International Airport is Malaysia's main airport and is also one of the major airports in Asia.

...

Shanghai Pudong Airport

Total seats: 1,091,377  

Pudong Airport is a fast-growing hub for both passenger and cargo traffic.

... 

Istanbul Ataturk Airport

Total seats: 1,075,389

Ataturk InternationalAirport is the major international gateway to Istanbul, Turkey.

...

Charlotte Douglas Airport

Total seats: 999,452

Charlotte Douglas International Airport is the gateway to Charlotte, North Carolina and one of the busiest airports in the United States.

...

Seoul Incheon International Airport

Total seats: 986,851

It is the largest airport in South Korea, the primary airport serving the Seoul national capital area, and one of the largest and busiest airports in the world.

For seven years in a row, it was rated the best airport worldwide by Airports Council International.

...

Phoenix Sky Harbour International Airport

Total seats: 979,012

Phoenix Sky Harbour International Airport is a joint civil-military public airport located southeast of the central business district of the city of Phoenix, in Maricopa County, Arizona, United States.

It is Arizona's largest and busiest airport, and the largest commercial airport in the American Southwest.

...

Miami International Airport

Total seats: 966,980

Miami International Airport is the largest gateway between the United States and Latin America, and is one of the largest airline hubs in the United States.

...

San Francisco International Airport

Total seats: 950,316

It is the largest airport in the San Francisco Bay Area and the second busiest airport in California after Los Angeles International Airport.

...

Sydney Kingsford Smith Airport

Total seats: 934,711

Sydney Airport is one of the oldest continually operated airports in the world, and the busiest airport in Australia.

...

Amsterdam Airport Schiphol

Total seats: 934,284

Amsterdam Airport Schiphol is the Netherlands' main international airport.

...

Delhi Indira Gandhi International Airport

Total seats: 906,331  

With the commencement of operations at the new Terminal 3, Delhi's Indira Gandhi International Airport has become India's and South Asia's largest with a current capacity of handling more than 46 million passengers.

...

Houston George Bush Intercontinental Airport

Total seats: 904,217

George Bush Intercontinental Airport served 40,187,442 passengers in 2011 making the airport the tenth busiest for total passengers in North America. 

...

Madrid Barajas Airport

Total seats: 898,417 

Barajas Airport is Spain's largest and busiest airport. It is also one of Europe's busiest gateways.