ADHD in Adolescents / Teens: Prevalence, Risk & Key Differences

Key things to know What the evidence shows
How common is it? 5.6% global, ages 12–18
Is it more common among adolescents / teens? Slightly lower pooled estimate than younger children
Are adolescents / teens at higher risk? Yes — major persistence/diagnosis period
How much higher is the risk? 5.6% pooled
How often can it be missed? High, especially inattentive presentation
Does it show up differently among adolescents / teens? Yes
How might it look different? Executive dysfunction, procrastination, academic impairment, impulsivity; hyperactivity may become less overt
What commonly occurs alongside it? Depression; anxiety; substance use; learning disorders
What can it be confused with? Depression; anxiety; substance use; sleep deprivation; learning disorders
Common screening tool Age-appropriate ADHD rating scale
Separate screening tool for adolescents / teens Conners / ADHD Rating Scale
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