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@cwts@social.cwts.nl

Centre for Science and Technology Studies (CWTS), Leiden University Engagement & Inclusion | Evaluation & Culture | Information & Openness

social.cwts.nl

CWTS | Leiden University

@cwts@social.cwts.nl

Centre for Science and Technology Studies (CWTS), Leiden University Engagement & Inclusion | Evaluation & Culture | Information & Openness

social.cwts.nl

@cwts@social.cwts.nl · Oct 29, 2025

📊 The CWTS Leiden Ranking 2025 is online! 🎉 This time, we have released not one, but two editions: the Traditional Edition and the Open Edition.

🌍 The Traditional Edition provides bibliometric indicators based on the Web of Science database and includes over 1500 universities worldwide.

🔓 The Open Edition provides bibliometric indicators based on OpenAlex. It offers fully transparent analytics and supports a more inclusive global perspective. In 2025, we have made 2 major innovations:

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