A list of largest airports in the world may not tell what is busiest airport in the world, for example, although Heathrow Airport in London is the largest airport, it is now only the 3rd busiest. This therefore is not necessarily a list of the largest airports but is a list of the busiest airports in the world. I have included in the list which country the airport is in along with the number of passengers that went through the airport in 2013.
10. Soekarno-Hatta International, Jakarta – Indonesia – 60,137,347


This airport received its name after the first president and the first vice president of the country and has 42 gates which are divided into 6 sub terminals all containing 7 gates, 25 check in counters and 5 baggage carousels.
9. Dallas/Fort Worth International – US – 60,470,507


This is one of just a handful of airports that can boast to flying to over 200 destinations. As of January 2014, its 205 destinations included 57 International destinations with the other 148 being domestic, within the United States.
8. Paris Charles De Gaulle – France – 62,052,917


This airport has three terminals and is located 14 miles northeast of Paris. It is one of Europe’s largest airports and was one of the first airports in the world to have a connecting rail service.
7. Dubai International – United Arab Emirates – 66,431,500


This airport handles 64% of the flights to the Middle East and comprises of 3 terminals of which terminal 3 is the largest terminal in the world and the second largest building, by floor space, in the world.
6. Los Angeles International – USA – 66,667,619


Often only referred to by its IATA designation LAX, this airport saw a 3% rise in traffic from 2011 to 2012 when it was recorded as having the most number of non-connecting passengers of any airport in the world.
5. Chicago O’Hare International – USA – 66,777,161


Until 1998, this was the busiest airport, by number of passengers, in the world and was still, until 2005, the busiest airport by number of flights.
4. Tokyo International – Japan- 68,906,500


This airport is host to both of Japan’s airlines, Japan Airlines that operate from Terminal 1 and All Nippon Airways that operates from Terminal 2.
3. London Heathrow – UK – 72,368,061


This is the largest airport in the world and the third busiest with nearly 4 million passengers of its 72 million annual number, flying to or from New York in the United States
2. Beijing Capital International – China – 83,712,300


With its rapid rise in the busiest airports list, this airport built a third terminal in 2008 and which is now the second largest terminal in the world and the sixth biggest building, by area, in the world. The airport saw a 4 % increase in traffic in 2012.
1. Hartsfield-Jackson Atlanta International – USA – 94,431,224


Despite seeing a 1% drop in traffic in 2013 compared to 2012, this Atlanta airport still manages to hold its place as the busiest airport in the world.
Jackson Atlanta International airport is most busiest in the world according to your given data. Thanks for giving me this information here it will help in next trip of florida.