ADHD in Children: Prevalence, Risk & Key Differences

Key things to know What the evidence shows
How common is it? 7.6% global, ages 3–12; India ≤18 pooled 6.32%
Is it more common among children? Higher than adolescence in one recent age-stratified meta-analysis
Are children at higher risk? Yes — core developmental population
How much higher is the risk? 7.6% pooled
How often can it be missed? Moderate
Does it show up differently among children? Yes
How might it look different? Hyperactivity, impulsivity, classroom disruption, distractibility, difficulty completing tasks
What commonly occurs alongside it? ODD/CD; learning disorders; anxiety; autism
What can it be confused with? Learning disorder; autism; anxiety; sleep disorder; normal developmental variation
Common screening tool Age-appropriate ADHD rating scale
Separate screening tool for children Vanderbilt / Conners / ADHD Rating Scale
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