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This data set provides the statistics made available in the 2021 edition of the CWTS Leiden Ranking. The Leiden Ranking 2021 is a bibliometric ranking of 1225 major universities worldwide. The ranking provides statistics on scientific impact, collaboration, open access publishing, and gender diversity. The ranking is based on bibliographic data from the Web of Science database produced by Clarivate Analytics.
open access, university performance, Centre for Science and Technology Studies, scientific impact, Leiden Ranking, gender, bibliometrics, university ranking, CWTS, collaboration
open access, university performance, Centre for Science and Technology Studies, scientific impact, Leiden Ranking, gender, bibliometrics, university ranking, CWTS, collaboration
| selected citations These citations are derived from selected sources. This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | 5 | |
| popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network. | Top 10% | |
| influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | Average | |
| impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network. | Top 10% |
| views | 236 | |
| downloads | 248 |

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