The report said many involved children and fifty six percent of the victims were male. The vast majority of the accused were men.
Researchers from the University of Zurich also found evidence of a widespread cover up.
Monika Dommann and Marietta Meier compiled the report following a year-long investigation, which was commissioned by Church authorities.
They were given access to Church archives and also held interviews with several people, including those affected by sexual abuse.
