Source: Child protection register and plan statistics for all UK nations for 2015.
Explanation: There were 57,345 children in the UK on child protection registers or the subject of child protection plans on 31 March 2015 (or 31 July 2015 in Scotland). This is based on figures from each UK nation.
For the source of these figures please see our summary of child protection register and plan statistics in the UK (PDF).
See also Indicator 13 in How safe are our children? 2016 and our summary of child protection plan and register statistics in the UK (PDF).