 Its economic base is strong and well diversified, mainly based on commerce and services, although the manufacturing sector plays a defining role.It is ranked in the top ten in Latin America in gross domestic product and the third highest ranking in Mexico.In its 2007 survey entitled "Cities of the Future", "FDi magazine" ranked Guadalajara highest among major Mexican cities and designated Guadalajara as having the second strongest economic potential of any major North American city behind Chicago.