THE WORLD'S BUSIEST AIRPORTS: While airline passengers might wish for slightly less crowded airports, cities love to brag about their booming airports and the impact of flight on the local economy. One of the most popular in the world is Paris-Charles De Gaulle Airport, which was the 10th busiest in the world last year, with nearly 66 million passengers. That's according to preliminary 2016 passenger data from Airports Council International.
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9. Shanghai Pudong International Airport, China: With more than 66 million passengers in 2016, 10% growth from the previous year, Pudong broke into the top 10 list and is the second Chinese airport ranked here. (Dallas/Fort Worth International Airport in the US state of Texas dropped from ninth to 11th place.)
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8. Hong Kong International Airport, China: Hong Kong held onto eighth place last year, with more than 70 million passengers, up 3% compared to 2015.
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7. London Heathrow Airport, United Kingdom: Heathrow's passenger traffic grew just 1% to more than 75 million passengers, which caused a drop from sixth to seventh place last year.
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6. Chicago's O'Hare International Airport, United States: Chicago's larger airport had more than 78 million passengers in 2016, growth of nearly 2%. It wasn't enough: The airport dropped from fourth to sixth place last year.
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5. Tokyo's Haneda International Airport, Japan: More than 79 million passengers last year, nearly 6% up from 2015, kept Haneda in fifth place.
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4. Los Angeles International Airport, United States: Southern California's most popular airport flew nearly 81 million passengers last year, 8% more than in 2015. That helped LAX jump from seventh to fourth place in 2016.