| Rank | Name Country/Region | No. of FTE Students | No. of students per staff | International Students | Female:Male Ratio |
|---|---|---|---|---|---|
| 1 | University of Oxford | 20,774 | 11.1 | 41% | 46 : 54 |
| 2 | Stanford University | 16,223 | 7.4 | 23% | 44 : 56 |
| 3 | Harvard University | 21,261 | 9.3 | 25% | 49 : 51 |
| 4 | California Institute of Technology | 2,238 | 6.3 | 33% | 36 : 64 |
| 5 | Massachusetts Institute of Technology | 11,276 | 8.4 | 34% | 39 : 61 |