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World's busiest airports by number of passengers 2019

Atlanta-Hartsfield- Jackson maintained its top spot as the world's busiest airport, with over 110.5 million passengers uplifted in 2019.

International airports

After the first successful flights, it became evident that aircraft will form a new major transport industry, namely the aviation industry. As a response to high interest in the aviation industry, since the 1910s across the world multitude of airports opened up to facilitate air transportation. For instance, there were over 19,600 U.S. airports in operation in 2019. By ownership type, there are public and private airports operating. Between 1990 and 2018, the number of private airports increased rapidly while the number of publicly owned airport continued to decline. To attract more opportunities, airports improve their connectivity with other airports and offer a wider web of possible flight connections. In 2019, the U.S. was the most connected country in the aviation by airport connectivity score. In that same year, Dubai (DXB) Airport was the leading airport for international air passenger traffic worldwide.

Frankfurt Airport

One of the largest airports in Europe, Frankfurt am Main (FRA) airport was established in 1936 as a commercial airport. Frankfurt Airport expanded its operations after the 1960s at a rapid pace, thus, becoming one of the busiest one in Europe. In 2019, Frankfurt Airport generated over 3.6 billion euros from its operations. Frankfurt Airport generated most of its revenue from international activities and services provided during that period. Performing both as passenger and cargo hub for transportation, the airport continues to offer its global operations at high efficiency without compromising quality. The airport offered the best hub connectivity worldwide, with over 78,000 hub connections in 2019.

Number of passengers at the busiest airports worldwide in 2019

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Release date

May 2020



Survey time period


Supplementary notes

Airports participating in the Airports Council International (ACI) annual traffic statistics collection.
Total passengers enplaned and deplaned, passengers in transit counted once
The figures have been rounded to provide a better understanding of the statistic.

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Statistics on "Air transportation worldwide"

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