1. Massachusetts Institute of Technology (MIT)
2. Stanford University
3. Harvard University
4. California Institute of Technology (Caltech)
5. University of Cambridge
6. University of Oxford
7. University of Chicago
8. University of California, Berkeley (UCB)
9. Columbia University
10. Princeton University
11. Yale University
12. California Institute of Technology (Caltech)
13. University of Tokyo
14. University of Michigan-Ann Arbor
15. Johns Hopkins University
16. Duke University
17. University of California, Los Angeles (UCLA)
18. Cornell University
19. Northwestern University
20. University of Pennsylvania
21. Swiss Federal Institute of Technology Zurich
22. University of Toronto
23. University of Illinois at Urbana-Champaign
24. University of Melbourne
25. National University of Singapore (NUS)
26. University of Edinburgh
27. Tsinghua University
28. University of Hong Kong (HKU)
29. University of Texas at Austin
30. University of Manchester
31. Peking University
32. University of California, San Diego (UCSD)
33. University of Sydney
34. King’s College London (KCL)
35. University of British Columbia
36. University of Warwick
37. Karolinska Institute
38. University of Wisconsin-Madison
39. University of Glasgow
40. Nanyang Technological University (NTU)
41. University of Copenhagen
42. University of Amsterdam
43. University of Zurich
44. University of Sheffield
45. University of California, Davis (UCD)
46. Seoul National University (SNU)
47. école Normale Supérieure, Paris (ENS Paris)
48. University of Alberta
49. University of Helsinki
50. University of Geneva