The Church of England has published safeguarding data taken from annual safeguarding returns, collected by dioceses in England from 2015-17. Figures show that: the number of safeguarding concerns or allegations about children rose from 1,052 in 2015 to 1,342 in 2016 but fell slightly in 2017 to 1,257; in 2017 53% of safeguarding concerns or allegations relating to children were related to sexual abuse.
Further details are available here.