2017 February 06
2017 April 19
The ATLAS collaboration consists of about 5300 members from 182 institutions in 38 countries. Approximately half of the members of the collaboration are scientific authors of the papers, and there are roughly 1,200 students in the collaboration. This note presents data on the gender and geographical composition of the collaboration; in particular the relative fraction of women is examined at several levels within the organisation of the ATLAS experiment.