The incidence of ADHD in the United States is estimated to be between 5% and 11% of the childhood population; it is more common in boys than in girls, with between about a third to half of all childhood cases of ADHD persisting into adulthood.

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Quizplus · Accepted Answer

ADHD prevalence estimates in the United States indeed range between 5% and 11% among children, with a higher incidence in boys compared to girls. Additionally, a significant portion of childhood ADHD cases, approximately one-third to half, continue into adulthood, indicating the chronic nature of the disorder for many individuals.

The Incidence of ADHD in the United States Is Estimated