 According to a 2015 survey, KIT has produced the largest number of top managers among German universities, with 24 board members of the 100 largest German companies.The other places are followed by the University of Cologne (17), the RWTH Aachen (17), the University of Mannheim (13) and the Ludwig-Maximilians-Universität München (13).In the CWTS Leiden Ranking of the year 2018, which is based exclusively on bibliometrics to measure the research output of universities, KIT is ranked 39th worldwide in the engineering and natural sciences according to the "Impact" indicator and 35th worldwide according to the "Collaboration" indicator.