According to the
Diagnostic and Statistical Manual of Mental Disorders, approximately three to
seven percent of school-age children have ADHD.
prevalence of ADHD is 9.0 percent in children ages 13 to 18. It is estimated
that 1.8 percent of these children have severe symptoms.
About one in 20
children in the U.S. have ADHD symptoms. For approximately 80 percent of these
children, those symptoms will continue into the teen years, and some will
continue to show symptoms into adulthood.
Prevalence in Adults
ADHD is present
in approximately 4.1 percent of the U.S. adult population, with 41.3 percent of
diagnosed adults classified as having severe symptoms. This is equal to
approximately 1.7 percent of the total U.S. adult population.
Parent Reporting of ADHD
from 2007 indicates that approximately 9.5 percent of children between the ages
of four and 17 have been diagnosed with ADHD. This translates to a total of 5.4
million children in the U.S. with an ADHD diagnosis.
The number of parents
who report having a child with ADHD varies by state, with Nevada having the
lowest rate at 5.6 percent and North Carolina having the highest rate at 15.6
are less likely than non-Hispanic white or non-Hispanic black children to have
Increase in ADHD Diagnosis
The number of
reported cases of ADHD increased by 22 percent between 2003 and 2007.
Between 1997 and
2006, the rate of annual increase in the diagnosis of ADHD was three percent.
Between 2003 and 2006 this rose to a 5.5 percent increase per year.
ADHD and Gender
diagnosed with ADHD at more than double the rate girls are. This translates to
13.2 percent of boys and 5.6 percent of girls.
Complications of ADHD
ADHD have three times as many problems with peer interactions as children
without a diagnosis of ADHD. In addition, 20.6 percent of parents of a child
diagnosed with ADHD report friendship difficulties for their child, compared to
the non-ADHD population at two percent.
diagnosed with ADHD are more likely to have major injuries (59 percent vs. 49
percent), more likely to receive outpatient care (41 percent vs. 43 percent),
more likely to be hospitalized (26 percent vs. 18 percent), and more likely to
be seen in an emergency room (81 percent vs. 74 percent) as non-diagnosed
children of the same age.
In 2007 parents of 2.7 million children ages 4-17 years (66.3% of those with a diagnosis of ADHD) reported that their child was taking medications for the disorder.
Boys are 2.8
times more likely to be prescribed ADHD medications than girls. Children
between the ages of 11 and 17 are more likely to be medicated than those younger
ADHD and Healthcare Costs
Using a national
average diagnosis rate of five percent, the annual healthcare cost of ADHD in
the U.S. is between 36 and 52 billion dollars (in 2005 dollars). This translates
to approximately $12,000 to $17,500 per individual, per year.
The total cost of
ADHD in the U.S. in 2000 was $31.6 billion. Of this total:
$1.6 billion was
for the treatment of patients.
$12.1 billion was
for all other health care costs of persons with ADHD.
$14.2 billion was
for all other health care costs of family members of patients with ADHD.
$3.7 billion was the
cost of work lost by adults with ADHD and adult family members of persons with
In the 10
an estimated 143.8 million days of productivity per year were lost due to ADHD.
A lower rate of ADHD is reported in Sweden,
Iceland, Australia, Italy, and Spain, which report between 2.4 and 7.5 percent
Deficit/Hyperactivity Disorder (ADHD) Data & Statistics.
(2011, December 12). Centers for Disease
Control and Prevention. Retrieved March 5, 2012, from http://www.cdc.gov/ncbddd/adhd/data.html