The 2024 NSCH data brief estimates current ADHD at 11.7%, approximately 7.1 million children. Its analytic sample was 44,611 children aged 3–17 with current-ADHD responses, drawn from 51,375 completed questionnaires for children aged 0–17.
In 2024, 11.7% of U.S. children ages 3 – 17, or an estimated 7.1 million children, had a current ADHD diagnosis. This represents 1 in 9 children.
The 2024 NSCH data brief estimates current ADHD at 11.7%, approximately 7.1 million children. Its analytic sample was 44,611 children aged 3–17 with current-ADHD responses, drawn from 51,375 completed questionnaires for children aged 0–17. Parent-reported, weighted household survey; diagnosis is not a medication-use measure. Publication year inferred from the 2026 federal data-brief release context;