The world's busiest airports by passenger traffic are measured by total passengers provided by the Airports Council International, defined as passengers enplaned plus passengers deplaned plus direct-transit passengers. The world's busiest airport is Hartsfield–Jackson Atlanta International Airport in Metro Atlanta, which has been the world's busiest airport every year since 1998 with the exception of 2020, when its passenger traffic dipped for a year due to travel restrictions resulting from the COVID-19 pandemic. Atlanta regained the top position in 2021, and has held it since. Alternatively, London has the world's busiest city airport system by passenger count.
As of 2024, the United States has the most airports in the top 50 list, with 15 (16 in 2023), following by China having 11 (10 in 2023), while India and Spain have two. In terms of regions, North America has 17 airports in the top 50 (18 in 2023), followed by East Asia with 14 (12 in 2023), Europe with 8 (same as in 2023), Southeast Asia with 5 (6 in 2023), West Asia with three (same as 2023), South Asia with two (same as 2023), and South America with one (same as 2023).
2024 statistics
{|class="wikitable sortable sticky-header" width= align=
|- style="background:lightgrey;"
!Rank||Airport||Location||Country||Code
(IATA/ICAO)||Total
passengers||Rank
change||%
change
|-
|align=center|1.|| Hartsfield–Jackson Atlanta International Airport||
Atlanta, Georgia|| United States||ATL/KATL||align=center|108,067,766
||data-sort-value=0 align=center|||data-sort-value=3.3 align=center|3.3%
|-
|align=center|2.|| Dubai International Airport||
Garhoud,
Dubai, Dubai||||DXB/OMDB||align=center|92,300,000
||data-sort-value=0 align=center|||data-sort-value=6.2 align=center|6.2%
|-
|align=center|3.|| Dallas Fort Worth International Airport||
Dallas–Fort Worth, Texas|| United States||DFW/KDFW||align=center|87,817,864
|| data-sort-value=0 align=center |||data-sort-value=7.4 align=center|7.4%
|-
|align=center|4.||
Haneda Airport||Ōta, Tokyo|| Japan||HND/RJTT||align=center|85,000,000
||data-sort-value=1 align=center|1||data-sort-value=8.0 align=center|8.0%
|-
|align=center|5.||
Heathrow Airport||Hillingdon,
London|| United Kingdom||LHR/EGLL||align=center|83,882,140
||data-sort-value=-1 align=center|1||data-sort-value=5.9 align=center|5.9%
|-
|align=center|6.|| Denver International Airport||
Denver,
Colorado|| United States||DEN/KDEN||align=center|82,358,744
|| data-sort-value=0 align=center|||data-sort-value=5.8 align=center|5.8%
|-
|align=center|7.|| O'Hare International Airport||
Chicago,
Illinois|| United States||ORD/KORD||align=center|80,043,050
||data-sort-value=2 align=center|2||data-sort-value=0 align=center|8.6%
|-
|align=center|8.||
Istanbul Airport||Arnavutköy,
Istanbul|| Turkey||IST/LTFM||align=center|79,988,272
||data-sort-value=-1 align=center|1||data-sort-value=3.9 align=center|3.9%
|-
|align=center|9.|| Indira Gandhi International Airport||
Palam,
Delhi||India||DEL/VIDP||align=center|77,820,834
||data-sort-value=1 align=center|1||data-sort-value=7.8 align=center|7.8%
|-
|align=center|10.|| Shanghai Pudong International Airport||
Pudong,
Shanghai|| China||PVG/ZSPD||align=center|76,787,039
||data-sort-value=11 align=center| 11||data-sort-value=41.0 align=center| 41.0%
|-
|align=center|11.|| Los Angeles International Airport||
Los Angeles,
California|| United States||LAX/KLAX||align=center|76,587,980
||data-sort-value=-3 align=center|3||data-sort-value=2.0 align=center|2.0%
|-
|align=center|12.|| Guangzhou Baiyun International Airport||Baiyun-
Huadu District,
Guangzhou,
Guangdong|| China||CAN/ZGGG||align=center|76,364,767
||data-sort-value=0 align=center|||data-sort-value=20.9 align=center| 20.9%
|-
|align=center|13.|| Seoul Incheon International Airport||Jung District, Incheon||South Korea||ICN/RKSI||align=center|70,669,246
||data-sort-value=7 align=center|7||data-sort-value=26.7 align=center| 26.7%
|-
|align=center|14.|| Charles de Gaulle Airport||
Roissy-en-France, Île-de-France|| France||CDG/LFPG||align=center|70,290,260
||data-sort-value=-3 align=center|3||data-sort-value=4.3 align=center|4.3%
|-
|align=center|15.|| Singapore Changi Airport||
Changi, East Region|| Singapore||SIN/WSSS ||align=center|67,700,000
||data-sort-value=2 align=center|2||data-sort-value=14.8 align=center| 14.8%
|-
|align=center|16.|| Beijing Capital International Airport||Chaoyang-
Shunyi District,
Beijing|| China||PEK/ZBAA||align=center|67,367,428
||data-sort-value=7 align=center|7||data-sort-value=27.4 align=center| 27.4%
|-
|align=center|17.|| Amsterdam Airport Schiphol||
Haarlemmermeer,
North Holland||Netherlands||AMS/EHAM||align=center|66,828,453
||data-sort-value=-3 align=center|3||data-sort-value=8.0 align=center|8.0%
|-
|align=center|18.|| Adolfo Suárez Madrid–Barajas Airport||Community of Madrid, Barajas||Spain||MAD/LEMD||align=center|66,196,984
||data-sort-value=-3 align=center|3||data-sort-value=9.9 align=center|9.9%
|-
|align=center|19.|| John F. Kennedy International Airport||
Queens, New York, New York|| United States||JFK/KJFK||align=center|63,265,984
||data-sort-value=-6 align=center|6||data-sort-value=1.9 align=center|1.9%
|-
|align=center|20.|| Shenzhen Bao'an International Airport||Bao'an,
Shenzhen,
Guangdong|| China||SZX/ZGSZ||align=center|61,477,337
||data-sort-value=4 align=center|4||data-sort-value=16.6 align=center| 16.6%
|-
|align=center|21.|| Suvarnabhumi Airport
|
Racha Thewa, Bangkok metro|| Thailand||BKK/VTBS||align=center|59,999,324
||data-sort-value=5 align=center|5||data-sort-value=16.1 align=center| 16.1%
|-
| align="center" |22.|| Frankfurt Airport||
Frankfurt,
Hesse|| Germany||FRA/EDDF|| align="center" |59,359,539
|| data-sort-value=-6 align=center |6|| data-sort-value="3.7" align=center |3.7%
|-
| align="center" |23.|| Charlotte Douglas International Airport||Charlotte, North Carolina||United States||CLT/KCLT|| align="center" |58,811,725
|| data-sort-value=-1 align=center |1|| data-sort-value="10" align=center | 10.0%
|-
| align="center" |24.|| Harry Reid International Airport||Las Vegas,
Nevada|| United States||LAS/KLAS|| align="center" |58,447,782
|| data-sort-value=-5 align=center |5|| data-sort-value="1.4" align=center |1.4%
|-
| align="center" |25.|| Orlando International Airport||Orlando, Florida|| United States||MCO/KMCO|| align="center" |57,211,628
|| data-sort-value=-7 align=center |7|| data-sort-value="-0.9" align=center |0.9%
|-
|align=center|26.|| Kuala Lumpur International Airport||
Sepang,
|| data-sort-value="9" align=center|9||data-sort-value=20.7 align=center| 20.7%
|-
| align="center" |27.|| Miami International Airport||Miami-Dade County, Florida||United States||MIA/KMIA|| align="center" |55,926,566
|| data-sort-value=-2 align=center |2|| data-sort-value=6.8 align=center |6.8%
|-
|align=center|28.|| Josep Tarradellas Barcelona–El Prat Airport||
Catalonia, El Prat de Llobregat|| Spain||BCN/LEBL||align=center|55,034,955
||data-sort-value=2 align=center|2||data-sort-value=10.3 align=center| 10.3%
|-
|align=center|29.|| Chengdu Tianfu International Airport||Jianyang,
Chengdu,
Sichuan||China||TFU/ZUTF||align=center|54,905,784
||data-sort-value=10 align=center| 10||data-sort-value=22.6 align=center| 22.6%
|-
|align=center|30.|| Soekarno–Hatta International Airport||
Tangerang,
Banten|| Indonesia||CGK/WIII||align=center|54,809,500
|| data-sort-value=-2 align=center |2||data-sort-value=11.7 align=center| 11.7.%
|-
|align=center|31.|| Chhatrapati Shivaji Maharaj International Airport||Santacruz-Sahar,
Mumbai,
Maharashtra|| India||BOM/VABB||align=center|54,800,000
||data-sort-value=-4 align=center|4||data-sort-value=6.3 align=center|6.3%
|-
|align=center|32.|| Hong Kong International Airport||Chek Lap Kok,
New Territories|| Hong Kong||HKG/VHHH||align=center|53,100,000
||data-sort-value=19 align=center|||data-sort-value=34.3 align=center| 34.3%
|-
|align=center|33.|| Hamad International Airport||
Doha||Qatar||DOH/OTHH||align=center|52,700,000
||data-sort-value=4 align=center|4||data-sort-value=14.8 align=center| 14.8%
|-
|align=center|34.|| Seattle–Tacoma International Airport||SeaTac, Washington|| United States||SEA/KSEA||align=center|52,640,716
||data-sort-value=-6 align=center|6||data-sort-value=3.4 align=center|3.4%
|-
|align=center|35.|| Phoenix Sky Harbor International Airport||Phoenix, Arizona||United States||PHX/KPHX||align=center|52,325,266
||data-sort-value=-2 align=center|2||data-sort-value=17.9 align=center| 17.9%
|-
|align=center|36.|| San Francisco International Airport||San Mateo County, California|| United States||SFO/KSFO||align=center|52,288,098
||data-sort-value=-7 align=center|7||data-sort-value=4.1 align=center|4.1%
|-
|align=center|37.|| Ninoy Aquino International Airport||
Pasay/Parañaque,
Metro Manila||Philippines||MNL/RPLL||align=center|50,100,000
||data-sort-value=1 align=center|1||data-sort-value=10.4 align=center| 10.4%
|-
|align=center|38.|| Beijing Daxing International Airport||
Daxing District,
Beijing|| China||PKX/ZBAD||align=center|49,441,029
||data-sort-value=14 align=center| 14||data-sort-value=25.4 align=center| 25.5%
|-
|align=center|39.|| Leonardo da Vinci Rome Fiumicino Airport||
Fiumicino, Metropolitan City of Rome,
Lazio||Italy||FCO/LIRF||