Atlanta, Georgia CNN  — 

Once again, Atlanta rules the world.

At least its airport does.

More than 107 million passengers flew through Hartsfield-Jackson Atlanta International Airport last year, making it the busiest passenger airport in the world for the 21st year in a row.

Atlanta also saw a 3.3% increase in passenger traffic, according to Airports Council International’s world traffic report, which was released on September 16.

Globally, passenger traffic increased to 8.8 billion last year, a 6.4% increase, while air cargo shipments increased by 3.4%.

“The World Airport Traffic Report shows that even as smaller airports around the world continue to make strong gains, the largest hub airports continue to grow,” said ACI World Director General Angela Gittens in a news release.

“There were 16 airports handling more than 40 million passengers per annum in 2008 and there are now 54.”

But Gittens warned of the impact of protectionist policies around the world.

“Protectionist rhetoric – fueled by isolationist policies – has swept several major economies in recent times and this has translated into a dismantling of established open trade relationships and regimes,” Gittens said in the news release.

Air transport relies on open markets to grow, she said.

“Despite this, passenger traffic has remained resilient, posting annual growth rates above historical averages with the cost of travel decreasing in many markets and middle-class populations burgeoning in emerging markets,” she said, adding that persistent isolationist policies could stifle growth in many countries.

Major connecting hub

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1. Hartsfield-Jackson Atlanta International Airport (United States). The Atlanta, Georgia, airport is the busiest passenger airport in the world, handling more than 107 million passengers in 2018, according to Airports Council International.
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2. Beijing Capital International Airport (China). This airport serving China's capital city may catch up to the Atlanta airport one day, flying nearly 101 million passengers in 2018.
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3. Dubai International Airport (United Arab Emirates). With 89.1 million passengers in 2018, Dubai ranked third in overall passenger traffic and first for international passenger traffic.
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4. Los Angeles International Airport (United States). Los Angeles has several airports from which to choose, but its largest airport still flew 87.5 million passengers in 2018 and moved up one slot to fourth place in the rankings.
YOSHIKAZU TSUNO/AFP/Getty Images
5. Tokyo's Haneda Airport (Japan). Serving 86.9 million passengers in 2018, Haneda dropped from fourth to fifth place last year, behind Los Angeles.
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6. Chicago's O'Hare International Airport (Illinois, US). While O'Hare remained in sixth place for overall passenger volume, with 83.2 million passengers, it came in first place for airplane movements (takeoffs and landings).
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7. London's Heathrow Airport (United Kingdom). This London airport flew 80.1 million passengers in 2018, also ranking second place for international passenger traffic.
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8. Hong Kong International Airport (China). While this Hong Kong airport served 74.5 million passengers in 2018, it dominated the total air cargo traffic rankings, coming in first place.
Liqun Liu/Construction Photography/Getty Images
9. Shanghai Pudong International Airport (China). Although Shanghai came in ninth place for moving 74 million passengers, it was ranked third for total air cargo traffic in 2018.
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10. Paris Charles de Gaulle Airport (France). This French airport remained in 10th place for another year, serving 72.2 million passengers in 2018, a 4% increase over 2017.

Atlanta continues to dominate the passenger market because of its location as a major connecting hub and port of entry into North America. It’s within a two-hour flight of 80% of the United States population of more than 300 million people.

There was no change from 2017 in the rankings of the top three passenger airports.

Coming in second place, Beijing Capital International Airport passed the 100 million passengers mark in 2018, hitting nearly 101 million passengers and growing by 5.4%. Third place Dubai Airport handled 89 million passengers, increasing by only 1%. (Dubai was also the top-ranked airport for international passenger traffic, followed by London’s Heathrow Airport and Hong Kong International Airport.)

Chicago tops Atlanta here

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United Airlines is headquartered in Illinois, and has a large presence at O'Hare International Airport in Chicago

Chicago’s O’Hare International Airport knocked Atlanta out of the No. 1 spot for most aircraft movements, which is airport language for takeoffs and landings. O’Hare handled nearly 904,000 movements in 2018. Atlanta handled more than 895,000 movements, and Los Angeles International Airport handled nearly 708,000 movements.

Overall, 2018 aircraft movements totaled 99.9 million, a 3.1% increase.

Hong Kong remains the largest air cargo airport, handling more than 5.1 million metric tonnes of cargo in 2018, a 1.5% increase over the previous year, followed by the Memphis International Airport (Tennessee, US) and China’s Shanghai Pudong International Airport.

Rapid growth

Courtesy David Brossard/Creative Commons/Flickr
Indira Gandhi International Airport in New Delhi is part of India's growth as an aviation market.

As many as a dozen of the world’s top 30 fastest-growing airports are located in China or India. The airport in Bangalore, India, is the No. 1 fastest-growing airport, with 32.3 million passengers in 2018 – a whopping 29% increase.

The world’s busiest airports 2018

1. Hartsfield-Jackson Atlanta International Airport (Georgia, US) – 107.4 million passengers

2. Beijing Capital International Airport (China) – 101 million

3. Dubai International Airport (United Arab Emirates) – 89.1 million

4. Los Angeles International Airport (California, US) – 87.5 million

5. Tokyo’s Haneda Airport (Japan) – 86.9 million

6. Chicago’s O’Hare International Airport (Illinois, US) – 83.2 million

7. London’s Heathrow Airport (United Kingdom) – 80.1 million

8. Hong Kong International Airport (China) – 74.5 million

9. Shanghai Pudong International Airport (China) – 74 million

10. Paris Charles de Gaulle Airport (France) – 72.2 million

11. Amsterdam Airport Schiphol (Netherlands) – 71 million

12. New Delhi’s Indira Gandhi International Airport (India) – 69.9 million

13. Guangzhou Baiyun International Airport (China) – 69.7 million

14. Frankfurt Airport (Germany) – 69.5 million

15. Dallas/Fort Worth International Airport (Texas, US) – 69.1 million

16. Istanbul’s Atatürk International Airport (Turkey) – 68.4 million

17. Seoul’s Incheon International Airport (South Korea) – 68.4 million

18. Jakarta’s Soekarno-Hatta International Airport (Indonesia) – 65.7 million

19. Singapore Changi Airport (Singapore) – 65.6 million

20. Denver International Airport (Colorado, US) – 64.5 million