| Disease | Prevalence Estimate | US people estimate | Statistic Used for Calculation |
| Attention Deficit Hyperactivity Disorder |
approx 1 in 82 or 1.21% or 3.3 million people in USA |
3,299,999 |
3.3 million children have ADD in USA (NHIS-97); estimated 2 million American children; 3 to 5 percent of all children (NIMH).
|
| Autism |
approx 1 in 500 or 0.20% or 544,000 people in USA |
544,000 |
1 in 500 to 1 in 2,500 (NIMH); 1-in-1000 to 2-in-1000, depending on diagnostic criteria
|
| Asperg Syndrome |
N/A |
N/A |
No information
|
| Rett's syndrome |
approx 1 in 10,000 or 0.01% or 27,200 people in USA |
27,199 |
estimated 1 per 10,000 - 22,000 females suffer from Rett syndrome, Genetics Home Reference website
|
| Drug abuse |
approx 1 in 68 or 1.47% or 4 million people in USA |
3,999,999 |
more than 4 million women need treatment for drug abuse (NWHIC)
|
| Alcohol use |
N/A |
N/A |
No information
|
| Alcohol abuse |
approx 1 in 18 or 5.55% or 15.1 million people in USA |
15,100,000 |
estimated 15.1 million people: 15.1 million alcohol-abusing or alcohol-dependent individuals and 4.6 million are women (NWHIC); nearly 14 million Americans (NIAAA)
|
| Alcoholism |
approx 1 in 18 or 5.55% or 15.1 million people in USA |
15,100,000 |
estimated 15.1 million people: 15.1 million alcohol-abusing or alcohol-dependent individuals and 4.6 million are women (NWHIC); nearly 14 million Americans (NIAAA)
|
| Addictions |
N/A |
N/A |
No information
|
| Gambling addiction |
N/A |
N/A |
No information
|
| Agoraphobia |
approx 1 in 84 or 1.18% or 3.2 million people in USA |
3,200,000 |
approximately 3.2 million American adults ages 18 to 54 (NIMH); estimated 4.9% adults (USSG)
|
| Alzheimer's Disease |
approx 1 in 68 or 1.47% or 4 million people in USA |
3,999,999 |
more than 4 million Americans (CDC); estimated 4 million people in the U.S (NHWIC)
|
| Anorexia Nervosa |
approx 1 in 1,000 or 0.10% or 272,000 people in USA |
272,000 |
estimated 0.1% adults (USSG); estimated 0.5 to 3.7 percent females (NIMH); 1% of adolescent girls (NWHIC)
|
| Asperger syndrome |
N/A |
N/A |
No information
|
| Binge eating disorder |
approx 1 in 142 or 0.70% or 1.9 million people in USA |
1,903,999 |
0.7% to 4% of the general population (NWHIC); 2-5% of adults (NIMH); 2% of adults (NIDDK); 2% adults or 1-2 million adults (NWHIC)
|
| Bipolar disorder |
approx 1 in 83 or 1.20% or 3.3 million people in USA |
3,264,000 |
1.2 percent of the population; 2.3 million adult Americans (NIMH)
|
| Bulimia nervosa |
approx 1 in 181 or 0.55% or 1.5 million people in USA |
1,496,000 |
estimated 1.1 to 4.2 percent of females (NIMH); 2-3% of young women (NWHIC)
|
| Depression |
approx 1 in 18 or 5.30% or 14.4 million people in USA |
14,416,000 |
estimated 5.3% adults (USSG); 17 million people; approximately 4% of adolescents get seriously depressed (NIMH); annually 12% of women ; 7% of men; lifetime risk of an episode for women 20%. 3-4 million men USA.
|
| Depressive disorders |
approx 1 in 10 or 9.50% or 25.8 million people in USA |
25,840,000 |
9.5 percent of adult Americans (NIMH)
|
| Dysthymia |
approx 1 in 24 or 4.01% or 10.9 million people in USA |
10,899,999 |
about 10.9 million American adults (NIMH); estimated 1.6% adults (USSG)
|
| Eating disorders |
approx 1 in 54 or 1.84% or 5 million people in USA |
4,999,999 |
5 million women (NWHIC); 1-4% of young women
|
| Generalized anxiety disorder |
approx 1 in 68 or 1.47% or 4 million people in USA |
7,615,999 |
4 million adult Americans (NIMH); 2.8% adults (NIMH); estimated 3.4% adults (USSG)
|
| Mood disorders |
approx 1 in 14 or 7.10% or 19.3 million people in USA |
19,311,999 |
estimated 7.1% adults (USSG)
|
| Obsessive-compulsive disorder |
approx 1 in 82 or 1.21% or 3.3 million people in USA |
6,255,999 |
3.3 million adult Americans (NIMH); 2.3% adults (NIMH); 1 in 50 people (NWHIC); 2.4% adults (USSG)
|
| Panic disorder |
approx 1 in 113 or 0.88% or 2.4 million people in USA |
4,624,000 |
approximately 2.4 million Americans (NIMH)
|
| Post-traumatic stress disorder |
approx 1 in 52 or 1.91% or 5.2 million people in USA |
9,791,999 |
5.2 million adult Americans (NIMH); 3.6% adults (NIMH); about 30% of war veterans.
|
| Social phobia |
approx 1 in 51 or 1.95% or 5.3 million people in USA |
10,064,000 |
5.3 million adult Americans (NIMH); 3.7% adults (NIMH); 2.0% adults (USSG)
|
| Specific phobias |
approx 1 in 43 or 2.32% or 6.3 million people in USA |
6,299,999 |
estimated 6.3 million adult Americans (NIMH); estimated 8.3% adults (USSG)
|
| Tourette Syndrome |
approx 1 in 1,000 or 0.10% or 272,000 people in USA |
272,000 |
estimated 1-10 per 1,000 children have Tourette syndrome, Genetics Home Reference website
|
The medical term 'prevalence' of Behavioral disorders usually refers to the estimated population
of people who are managing Behavioral disorders at any given time,
whereas the annual diagnosis rate of new cases of Behavioral disorders is called the 'incidence'.
For more information on prevalence and incidence statistics, see about prevalence and incidence statistics.