Academic Ranking of World Universities: Shanghai Ranking
Uses six indicators to rank world universities, including the number of alumni and staff winning Nobel Prizes and Fields Medal in mathematics, number of highly cited researchers selected by Clarivate Analytics, number of articles published in Nature and Science, number of highly cited papers indexed in Science Citation Index - Expanded and Social Sciences Citation Index, and per capita performance of a university.
For more information on the methodology.

Global Ranking of Academic Subjects
For more information on the methodology of the subject ranking.

CWTS Leiden Ranking
Stands for a multidimensional perspective on university performance and provides indicators of scientific impact, collaboration, open access publishing, and gender diversity. Information on publications is based on the Web of Science Database.

For more information on the methodology.
For more information on the methodology of the ranking by scientific fields.

World University Rankings: Times Higher Education
Institutions are ranked by thirteen performance indicators in five areas: teaching, research, citations, industry income, and international outlook. Information on publications is based on the Scopus database.
For more information on the methodology.

World University Rankings by subject.

QS World University Rankings
Ranking is based on six indicators: academic reputation, employer reputation, faculty/student ratio, citations per faculty, international faculty ratio, international students ratio. Information on publications is based on the Scopus database.

For more information on the methodology.