 In 2017, the Royal Commission into Institutional Responses to Child Sexual Abuse established that some 4,444 claimants alleged incidents of child sexual abuse in 4,756 reported claims to Catholic Church authorities (some claimants made a claim of child sexual abuse against more than one Catholic Church authority) and at least 1,880 suspected abusers from 1980 to 2015.Most of those suspected of abuse were Catholic priests and religious brothers and 62 percent of the survivors who told the commission they were abused in religious institutions were abused in a Catholic facility.By means of a weighted index, the Commission found that at 75 archdioceses/dioceses and religious institutes with priest members examined, some 7 per cent of priests (who worked in Australia between 1950 and 2009.