| Rank | Country | Metropolitan area | Total passengers | Airport(s) included |
|---|
| 1. | United Kingdom | London | 168,020,051 | Heathrow, Gatwick, Stansted, Luton, City, Southend [24] |
| 2. | United States | New York City | 147,461,065 | JFK, Newark, LaGuardia, Westchester County, Long Island |
| 3. | Turkey | Istanbul | 112,837,331 | Istanbul, Sabiha Gökçen [25] |
| 4. | Japan | Tokyo | 111,425,297 | Haneda, Narita |
| 5. | France | Paris | 105,329,305 | CDG, [26] Orly, [27] Beauvais [28] |
| 6. | United States | Atlanta | 104,653,451 | Hartsfield–Jackson |
| 7. | United Arab Emirates | Dubai | 103,856,212 | Dubai, Al Maktoum, Sharjah |
| 8. | United States | Los Angeles | 102,996,269 | LAX, Long Beach, Burbank, John Wayne, Ontario |
| 9. | United States | Dallas | 99,347,147 | Dallas-Fort Worth, Love Field, Fort Worth Meacham |
| 10. | China | Shanghai | 96,969,142 | Pudong, Hongqiao |
| 11. | United States | Chicago | 96,177,715 | O'Hare, Midway, Rockford |
| 12. | United States | Miami | 95,222,644 | Miami, Fort Lauderdale, Palm Beach |
| 13. | China | Beijing | 92,279,156 | Capital, Daxing |
| 14. | South Korea | Seoul | 79,659,570 | Incheon, Gimpo |
| 15. | Thailand | Bangkok | 78,679,532 | Suvarnabhumi, Don Mueang |
| 16. | United States | Denver | 77,837,917 | Denver |
| 17. | United States | Washington, D.C. | 76,789,012 | Dulles, Reagan, Thurgood Marshall |
| 18. | Brazil | São Paulo | 75,864,545 | Guarulhos, Congonhas, Viracopos |
| 19. | China | Chengdu | 74,924,000 | Tianfu, Shuangliu |
| 20. | United States | San Francisco | 73,532,329 | San Francisco, Oakland, San Jose, Charles M. Schulz |
| 21. | India | Delhi | 72,214,841 | Indira Gandhi |
| 22. | Russia | Moscow | 71,000,000 | Domodedovo, Sheremetyevo, Vnukovo |
| 23. | China | Guangzhou | 64,240,637 | Baiyun, Shadi [29] |
| 24. | Netherlands | Amsterdam | 61,889,586 | Schiphol |
| 25. | Germany | Frankfurt | 61,055,389 | Frankfurt, Hahn [30] |
| 26. | United States | Orlando | 60,677,182 | Orlando, Sanford |
| 27. | Spain | Madrid | 60,181,604 | Barajas |
| 28. | United States | Houston | 60,077,128 | George Bush, Hobby |
| 29. | Singapore | Singapore | 58,946,000 | Changi |
| 30. | United States | Las Vegas | 57,666,456 | Harry Reid |
| 31. | United States | Charlotte | 53,445,770 | Douglas |
| 32. | Indonesia | Jakarta | 52,870,532 | Soekarno–Hatta, Halim Perdanakusuma |
| 33. | China | Shenzhen | 52,734,934 | Bao'an |
| 34. | Mexico | Mexico City | 52,566,700 | Benito Juarez, Felipe Ángeles, Toluca |
| 35. | Spain | Barcelona | 52,515,810 | Josep Tarradellas, Girona-Costa Brava, Reus |
| 36. | India | Mumbai | 51,589,040 | Chhatrapati Shivaji Maharaj |
| 37. | Italy | Milan | 51,477,949 | Malpensa, Linate, Bergamo (Airports of Milan) |
| 38. | United States | Seattle | 50,877,260 | Seattle-Tacoma |
| 39. | United States | Phoenix | 50,529,732 | Sky Harbor, Mesa Gateway |
| 40. | Malaysia | Kuala Lumpur | 48,742,468 | Kuala Lumpur, Sultan Abdul Aziz Shah |
| 41. | Canada | Toronto | 47,581,816 | Pearson, Billy Bishop, Hamilton |
| 42. | Philippines | Manila | 47,300,322 | Ninoy Aquino, Clark [31] |
| 43. | Qatar | Doha | 45,916,098 | Hamad |
| 44. | Colombia | Bogotá | 45,802,360 | El Dorado, Guaymaral, Madrid [32] |
| 45. | China | Chongqing | 44,657,268 | Jiangbei |
| 46. | Italy | Rome | 44,429,929 | Fiumicino, Ciampino |
| 47. | Saudi Arabia | Jeddah | 42,910,407 | King Abdulaziz |
| 48. | United States | Boston | 42,515,122 | Logan, Providence T.F. Green, Manchester (NH) |
| 49. | China | Kunming | 42,053,214 | Changshui |
| 50. | Japan | Osaka | 41,536,000 | Kansai, Itami, Kobe [33] |