Children and young people
The Privacy Act 1988 protects an individual’s personal information regardless of their age. It doesn’t specify an age after which an individual can make their own privacy decision. For their consent to be valid, an individual must have capacity to consent.
An organisation or agency handling the personal information of an individual under the age of 18 must decide if the individual has the capacity to consent on a case-by-case basis. As a general rule, an individual under the age of 18 has the capacity to consent if they have the maturity to understand what’s being proposed. If they lack maturity it may be appropriate for a parent or guardian to consent on their behalf.
If it’s not practical for an organisation or agency to assess the capacity of individuals on a case-by-case basis, as a general rule, an organisation or agency may assume an individual over the age of 15 has capacity, unless they’re unsure.