World's busiest city airport systems by passenger traffic

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The world's busiest city airport systems by passenger traffic are measured by total number of passengers from all airports within a city or metropolitan area combined. London, with six commercial airports in its metropolitan area, is the busiest city airport system in the world, although Hartsfield–Jackson Atlanta International Airport is the world's busiest individual airport.

2014 statistics

Rank	Metropolitan area	Total passengers	Airport(s) included
1.	London	146,685,710	Heathrow, Gatwick, Stansted, Luton, City, Southend[1]
2.	New York City	120,195,058	JFK, Newark, LaGuardia
3.	Tokyo	108,421,827	Haneda, Narita
4.	Paris	96,208,332	Charles de Gaulle, Orly, Beauvais
5.	Atlanta	96,178,899	Hartsfield–Jackson
6.	Chicago	91,255,037	O'Hare, Midway
7.	Beijing	91,059,631	Capital, Nanyuan
8.	Los Angeles	90,820,698	LAX, Long Beach, Bob Hope, John Wayne, Ontario
9.	Shanghai	89,622,000	Pudong, Hongqiao[2]
10.	Istanbul	85,592,229	Atatürk, Sabiha Gökçen
11.	Dubai	82,469,523	Dubai, Al Maktoum, Sharjah
12.	Moscow	77,341,000	Domodedovo, Sheremetyevo, Vnukovo
13.	Dallas/Fort Worth	72,936,459	DFW, Love Field
14.	Miami	71,476,569	Miami, Fort Lauderdale, Palm Beach
15.	Bangkok	67,969,920	Suvarnabhumi, Don Mueang
16.	São Paulo	67,704,115	Guarulhos, Congonhas, Viracopos, Campo de Marte Airport
17.	Seoul	67,079,045	Incheon, Gimpo
18.	San Francisco Bay Area	66,796,162	San Francisco, Oakland, San Jose
19.	Washington/Baltimore	64,873,966	Dulles, Reagan, BWI
20.	Hong Kong	63,347,000	Chek Lap Kok
21.	Frankfurt	62,084,088	Frankfurt, Hahn
22.	Jakarta	57,005,406	Soekarno-Hatta, Halim Perdanakusuma
23.	Guangzhou	56,050,262	Baiyun
24.	Amsterdam	54,978,023	Schiphol
25.	Singapore	54,091,802	Changi
26.	Denver	53,472,514	Denver
27.	Houston	53,196,840	George Bush, Hobby
28.	Kuala Lumpur	51,692,965	Kuala Lumpur, Subang
29.	Charlotte	44,279,504	Douglas
30.	Rome	43,525,197	Fiumicino, Ciampino
31.	Las Vegas	42,869,517	McCarran
32.	Phoenix	42,363,030	Sky Harbor, Mesa Gateway
33.	Taipei	41,912,125	Taoyuan, Songshan
34.	Madrid	41,833,374	Barajas
35.	Toronto	40,971,961	Pearson, Billy Bishop
36.	Barcelona	40,570,338	Barcelona, Girona-Costa Brava, Reus
37.	Munich	40,450,515	Munich, Memmingen
38.	Delhi	39,752,819	Indira Gandhi
39.	Sydney	38,628,952	Kingsford Smith[3]
40.	Orlando	37,899,313	Orlando, Sanford
41.	Chengdu	37,675,232	Shuangliu
42.	Seattle	37,497,941	Seattle-Tacoma
43.	Boston	37,296,888	Boston-Logan, Manchester-Boston, T. F. Green
44.	Mumbai	37,203,978	Chhatrapati Shivaji
45.	Milan	36,579,178	Malpensa, Linate, Bergamo
46.	Shenzhen	36,272,701	Bao'an
47.	Osaka	36,200,360	Kansai, Itami, Kobe
48.	Manila	35,215,761	Manila, Clark
49.	Minneapolis/Saint-Paul	35,152,460	Minneapolis-Saint Paul
50.	Mexico City	35,133,607	Benito Juárez, Toluca