ranking system began in 2007. Currently, aside from this ranking system there are various major
university rankings, Academic Ranking of World Universities by Shanghai Jiao Tong University
THE World University Rankings by Times Higher Education (THE), the QS World University Rankings
Quacquarelli Symonds (QS), the Webometrics Ranking of World Universities by the Consejo Superior
Investigaciones Científicas (CSIC) in Spain, and so on. Among these rankings, ARWU and THE
are well-known and most commonly discussed.
In contrast with the ARWU’s focus on academic ranking and the THE
ranking’s focus on university ranking, NTU Ranking focuses on scientific paper performance
ranking. The emphasis on current research performance makes the indicators used in this ranking
system more objective than traditional indicators such as a university’s reputation reflected by
peer reviews, or the number of Nobel laureates affiliated with that university, which tend to
favor universities with longer histories or universities in developed countries.
This ranking system employs quantitative data extracted from Science
Citation Index (SCI) and Social Sciences Citation Index (SSCI) to evaluate the scientific paper
performances of world universities. Today, publishing in international academic journals has
become predominant mode of scientific research output. Statistics on the articles published in
international academic journals provide an objective representation of each university’s
In addition to the overall performance based ranking, from 2008, this
ranking system began to provide a field-based ranking of world universities to balance potential
biases. A subject-based ranking of world universities is also provided to give more information
on individual universities’ unique strengths. NTU Ranking thus provides a ranking of the overall
800 top universities and the top 500 universities by six fields and 14 subjects, and all
subjects are derived from four of six fields.