The CWTS Leiden Ranking 2025 - More open, more inclusive, more informative The release of the CWTS Leiden Ranking 2025 marks a next step toward more open and more inclusive research analytics for universities. This post highlights the most significant developments. Nees Jan van Eck, Rodrigo Costas, Mark Neijssel, Ed Noyons, Martijn Visser and Ludo Waltman • October 29, 2025
Launch of the CWTS Leiden Ranking Open Edition 2024 Earlier this year CWTS published the first Open Edition of the CWTS Leiden Ranking. Today the Leiden Ranking Open Edition 2024 was launched. In this post, Nees Jan van Eck and colleagues discuss the latest developments around the Open Edition of the Leiden Ranking. Nees Jan van Eck, Ludo Waltman and Mark Neijssel • October 09, 2024
Introducing the Leiden Ranking Open Edition This post introduces the Open Edition of the CWTS Leiden Ranking, published today by CWTS in collaboration with the Curtin Open Knowledge Initiative, Sesame Open Science, and OurResearch. The Leiden Ranking Open Edition is the first fully transparent university ranking. Ludo Waltman, Nees Jan van Eck, Martijn Visser, Mark Neijssel, Lucy Montgomery, Cameron Neylon, Bianca Kramer, Kyle Demes and Jason Priem • January 30, 2024
The CWTS Leiden Ranking 2023 Today CWTS releases the 2023 edition of the CWTS Leiden Ranking. In this post, the Leiden Ranking team provides an update on ongoing developments related to the ranking. Nees Jan van Eck, Ludo Waltman, Zeynep Anli, Clara Calero-Medina, Dan Gibson, Mark Neijssel, Andrea Reyes Elizondo, Martijn Visser, Henri de Winter and Alfredo Yegros • June 21, 2023
The CWTS Leiden Ranking 2020 At CWTS, we have just released a new edition of our Leiden Ranking. In this post, the core members of the Leiden Ranking team provide a quick update and illustrate some of the insights provided by the ranking. Ludo Waltman, Zeynep Anli, Clara Calero-Medina, Mark Neijssel, Andrea Reyes Elizondo, Nees Jan van Eck and Martijn Visser • July 08, 2020
