The UAB ranks 164 according to the Best Global Universities
The UAB improves its position and rises three points in the Best Global Universities ranking published by U.S. News. In Europe it ranks 67th and is the 2nd top university in Spain.

The first positions in the worldwide ranking do not vary from last year. The top universities are Harvard, the Massachusetts Institute of Technology (MIT), and Stanford University, all three located in the US.
The ranking is based on a set of indicators such as international research prestige, regional reputation, scientific publications, citations, conferences and level of international collaborations, among others.
More information:
http://www.usnews.com/education/best-global-universities