1. University of Pennsylvania, United States                                                                 25
2. Harvard University, United States                                                                              22
3. Yale University, United States                                                                                     20
4. University of Southern California, United States                                                             16
5. Princeton University, United States                                                                             14
6. Cornell University, United States                                                                                  14
7. Stanford University, United States                                                                                14
8. University of California, Berkeley, United States                                                         12
9. University of Mumbai, India                                                                                            12
10. London School of Economics and Politics, United Kingdom                                       11
11. Lomonosov Moscow State University, Russia                                                              11
12. University of Texas, United States                                                                                10
13. Dartmouth College, United States                                                                                  10
14. University of Michigan, United States                                                                           10
15. New York University, United States                                                                                9
16. Duke University, United States                                                                                         9
17. Columbia University, United States                                                                                  8
18. Brown University, United States                                                                                       8
19. Massachusetts Institute of Technology, United States                                                   7
20. ETH Zurich, Switzerland                                                                                                     6