World Factbook Updates - December 30, 2010 December 30, 2010 - What airport handles the most passengers annually? Find out in The World Factbook by going to the World entry, Transportation category, "Airports" field, and locating the top ten airports by passengers and by cargo. www.cia.gov/library/publications/rss-updates/world-factbook-updates-december-30-2010.html