| 1 |
University of Rome La Sapienza |
128963 |
| 2 |
University of Buenos Aires |
100800 |
| 3 |
Pennsylvania State University |
96562 |
| 4 |
University of Vienna |
94000 |
| 5 |
Complutense University of Madrid |
86159 |
| 6 |
University of Toronto |
80899 |
| 7 |
Arizona State University |
73378 |
| 8 |
Stockholm University |
66944 |
| 9 |
Rutgers University |
65000 |
| 10 |
Ohio State University |
63058 |
| 11 |
Monash University |
62998 |
| 12 |
University of British Columbia |
57075 |
| 13 |
Waseda University |
54113 |
| 14 |
Tsinghua University |
53302 |
| 15 |
Charles University |
52000 |
| 16 |
University of Sydney |
51394 |
| 17 |
University of Texas at Austin |
51112 |
| 18 |
Texas A&M University |
50230 |
| 19 |
New York University |
50000 |
| 20 |
University of Florida |
49913 |
| 21 |
University of Minnesota, Twin Cities |
49180 |
| 22 |
Michigan State University |
48906 |
| 23 |
The National University of Colombia |
48800 |
| 24 |
Ludwig Maximilian University of Munich |
48605 |
| 25 |
Lund University |
47000 |
| 25 |
University of Melbourne |
47000 |
| 27 |
University of Queensland |
46863 |
| 28 |
Aarhus University |
44527 |
| 29 |
University of Illinois at Urbana-Champaign |
44520 |
| 30 |
University of Michigan, Ann Arbor |
43426 |
| 31 |
Goethe University Frankfurt |
43065 |
| 32 |
University of Wisconsin–Madison |
42820 |
| 33 |
Indiana University - Bloomington |
42731 |
| 34 |
University of Washington |
42570 |
| 35 |
Keio University |
42193 |
| 36 |
University of Cincinnati |
41970 |
| 37 |
University of California, Los Angeles |
41341 |
| 38 |
The University of Campinas |
40850 |
| 39 |
Purdue University |
40849 |
| 40 |
University of Nottingham |
40829 |
| 41 |
University of Arizona |
40223 |
| 42 |
University of Southern California |
40000 |
| 42 |
Uppsala University |
40000 |
| 44 |
University of Manchester |
39953 |
| 45 |
University of Copenhagen |
38867 |
| 46 |
McGill University |
38799 |
| 47 |
Lomonosov Moscow State University |
38150 |
| 48 |
Humboldt University of Berlin |
38054 |
| 49 |
National University of Singapore |
37426 |
| 50 |
University of Maryland, College Park |
37248 |