The United States of America is the top country by air transport freight in the world. As of 2018, air transport freight in the United States of America was 42,985 million ton-km that accounts for 19.48 % of the world's air transport freight. The top 5 countries (others are China, the United Arab Emirates, Hong Kong, and Qatar) account for 49.63 % of it. The world's total air transport freight was estimated at 220,707 million ton-km in 2018.The description is composed by our digital data assistant.
Air freight is the volume of freight, express, and diplomatic bags carried on each flight stage (operation of an aircraft from takeoff to its next landing), measured in metric tons times kilometers traveled.