Summary
Occasionally errors are reported after the analysis is complete and after institutions have received their rank and scores. In such cases, QS first rectifies the issue and where necessary updates the institution with a corrected set of results. If a rank change occurs we place the corrected institution in its correct position but leave all other institutions unaffected. This can result in two institutions in the same rank position with slightly different scores. In the case of an institution being removed from the rankings, again no other institutions will be affected but a gap may appear in the ranks.
| Date | Edits |
| Pre publication | Institute of Science Tokyo, Japan moved to the position 97 after a correction |
| Pre publication | Nanjing University of Aeronautics and Astronautics, China ( Mainland) moved to the band 721-730 after a correction |
| Pre publication | University of California, Riverside,United States of America moved to the position 398 after a correction |
| Pre publication | City St George’s, University of London, United Kingdom moved to the position 361 after a correction |
| Pre publication | University of British Columbia, Canada stayed at rank 45 after a data correction with a modified overall score |



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