With a net worth of $74 billion, Carlos Slim of Mexico City took the No. 1 spot on the list of the richest people in the world for the second time this year. Mr. Slim is the chairman and CEO of Am茅rica M贸vi, Latin America鈥檚 biggest mobile carrier, and Telmex, another telecommunications company headquartered in Mexico City. Slim has holdings in other companies in Mexico and around the world.

Tomas Bravo / Reuters / File
Mexican tycoon Carlos Slim leaves the hotel after a conference with businessmen at the Business Summit in Monterrey in this file photo taken Nov. 8, 2009. Mr. Slim is valued at $74 billion, which makes him the richest person in the world.