Tijuana is the largest city of both Baja California State and the Baja Peninsula. It is part of the San Diego–Tijuana transborder urban agglomeration and the larger Southern California megalopolis. As the 6th-largest city in Mexico and center of the 6th-largest metro area in Mexico, Tijuana exerts a strong influence in education and politics – across Mexico, in transportation, culture and art – across all three Californias (the U.S. state of California, Baja California and Baja California Sur), and in manufacturing and as a migration hub – across the North American continent. Currently one of the fastest-growing metropolitan areas in Mexico, Tijuana maintains GaWC 'sufficiency city' status., the city of Tijuana had a population of 1,641,570.