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Data & Statistics

In the United States

• 4.5 million children 5-17 years of age have ever been diagnosed with ADHD as of 2006. [Read article ]
• 3%-7% of school-aged children suffer from ADHD. Some studies have estimated higher rates in community samples.
• 7.8% of school-aged children were reported to have an ADHD diagnosis by their parent in 2003. [Read article]
• Diagnosis of ADHD increased an average of 3% per year from 1997 to 2006. [Read article ]
• Boys (9.5%) are more likely than girls (5.9%) to have been diagnosed with ADHD. [Read article ]
• ADHD diagnosis is significantly higher among non-Hispanic, primarily English-speaking, and insured children. [Read article]
• Prevalence rates are significantly higher for children in families in which the most highly educated adult was a high school graduate (or had completed 12 years of education), compared with children in families in which the most highly educated adult had a higher or lower level of education. [Read article]
• ADHD diagnosis among males was reported significantly more often in families with incomes below the poverty threshold (<100%) than in families with incomes at or above the poverty threshold. Rates of reported diagnosis among females were not significantly different across the three levels of poverty. [Read article]
• Prevalence varies substantially by state, from a low of 5% in Colorado to a high of 11.1% in Alabama. [Read article]

State-based Prevalence Data of ADHD Diagnosis

Medication Treatment

[Read article]

• As of 2003, 2.5 million youth ages 4-17 years (56% of those with a diagnosis) were receiving medication treatment for the disorder.
• Rates of medication treatment for ADHD vary by age and sex and ranged from .3% to 9.3%.
• Prevalence of medication treatment for ADHD is highest among children aged 9-12 years.
• Geographic variability in prevalence of medication treatment ranged from a low of 2.1% in California to a high of 6.5% in Arkansas.

State-based Prevalence Data of ADHD Medication Treatment

Diagnosed Attention Deficit Hyperactivity Disorder and Learning Disability: United States, 2004-2006 

[Read article ]

• About 5% of children had ADHD without Learning Disability (LD), 5% had LD without ADHD, and 4% had both conditions.
• Children 12-17 years of age were more likely than children 6-11 years of age to have each of the diagnoses.
• Hispanic children were less likely than non-Hispanic white and non-Hispanic black children to have ADHD (with and without LD).
• Children with Medicaid were more likely than uninsured children or privately insured children to have each of the diagnoses.
• Children with each of the diagnoses were more likely than children with neither ADHD nor LD to have other chronic health conditions.
• Children with ADHD (with and without LD) were more likely than children without ADHD to have contact with a mental health professional, use prescription medication, and have frequent health care visits.