The Australian Royal Commission into Institutional Responses to Child Sexual Abuse spent five years interviewing over 8,000 survivors, their abusers and personnel from institutions that had covered up the abuse. The Commission found that 61.8 percent of all survivors within religious institutions had been under the care of the Catholic Church.
https://www.ncronline.org/news/accountability/catastrophic-institutional-failure-cataloged-australian-abuse-commission-can-be
https://www.ncronline.org/news/accountability/catastrophic-institutional-failure-cataloged-australian-abuse-commission-can-be