Time to Doctorate, Campuses and Comparison Institutions,All Fields Berkeley, 5.9 Davis, 5.7 Irvine, 5.7 Los Angeles, 5.7 Riverside, 5.5 San Diego, 5.7 San Francisco, 6.2 Santa Barbara, 5.7 Santa Cruz, 5.7 , SUNY at Buffalo, 6.0 U of Illinois, 5.9 U of Michigan, 6.1 U of Virginia, 5.7 , Harvard, 6.0 MIT, 5.4 Stanford, 5.7 Yale, 5.7