The 2012/13 QS World University Rankings is led by the Massachusetts Institute of Technology, followed by University of Cambridge and Harvard University.
The rankings are based on data covering for areas—research, employability, teaching and internationalization. It also currently considers over 2,000 universities, and ranks over 700. The rankings are compiled using the following six indicators: Academic reputation, Employer reputation, Faculty/student ratio, Citations per faculty, International faculty ratio and international student ratio. (Images: University websites)