Massachusetts institute of technology 1

2. Stanford University

3. Harvard University

4. California Institute of Technology

5. Oxford University

6. Federal Institute of Technology Zurich

7. Cambridge University

8. Imperial College London

9. University of Chicago

10, University College London

1 1, National University of Singapore

12, Princeton University

13, Nanyang Technological University

14, Federal Institute of Technology Lausanne

15, Tsinghua University

16, University of Pennsylvania

17, Yale University

18, Cornell University

19, Columbia University

20. University of Edinburgh