- One in ten children between the ages of one and 15 has a mental health disorder. (The Office for National Statistics Mental health in children and young people in Great Britain, 2005)
- Estimates vary, but research suggests that 20% of children have a mental health problem in any given year, and about 10% at any one time. (Lifetime Impacts: Childhood and Adolescent Mental Health, Understanding The Lifetime Impacts, Mental Health Foundation, 2005)
- Rates of mental health problems among children increase as they reach adolescence. Disorders affect 10.4% of boys aged 5-10, rising to 12.8% of boys aged 11-15, and 5.9% of girls aged 5-10, rising to 9.65% of girls aged 11-15. (Mental Disorder More Common In Boys, National Statistics Online, 2004)