Families by size and children in families by age. A National Statistics Publication. Child Benefit is paid to those responsible for children (aged under 16) or qualifying young people. The latter includes: a) those in full-time non-advanced education or (from April 2006) on certain approved vocational training courses and who are under 19, or are aged 19 and have been on the same course since their 19th birthdays. (Note: those reachin...