| Disease | Prevalence Estimate | US people estimate | Statistic Used for Calculation |
| anxiety disorders |
N/A |
N/A |
No information
|
| 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)
|
| 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)
|
| 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)
|
| phobias |
approx 1 in 23 or 4.23% or 11.5 million people in USA |
11,499,999 |
11.5 million adults (NIMH); 8.0% adults (NIMH)
|
| 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)
|
| 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)
|
| Separation anxiety disorder |
N/A |
N/A |
No information
|
| Acute stress disorder |
N/A |
N/A |
No information
|
| Anxiety disorder due to medical condition |
N/A |
N/A |
No information
|
| Substance-induced anxiety disorder |
N/A |
N/A |
No information
|
| Anxiety disorder NOS |
N/A |
N/A |
No information
|
| 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)
|
| 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.
|
| Major depressive episode |
N/A |
N/A |
No information
|
| Major depressive disorder |
N/A |
N/A |
No information
|
| 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)
|
| 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)
|
| Seasonal Affective Disorder |
N/A |
N/A |
No information
|
| cyclothymia |
N/A |
N/A |
No information
|
| Postnatal depression |
N/A |
N/A |
No information
|
| personality disorders |
N/A |
N/A |
No information
|
| Borderline personaliy disorder |
N/A |
N/A |
No information
|
| Antisocial personality disorder |
approx 1 in 47 or 2.10% or 5.7 million people in USA |
5,711,999 |
estimated 2.1% adults (USSG)
|
| Conduct disorder |
N/A |
N/A |
No information
|
| Oppositional Defiant Disorder |
N/A |
N/A |
No information
|
| Multiple personality disorder |
N/A |
N/A |
No information
|
| histrionic personality disorder |
N/A |
N/A |
No information
|
| Schizoid personality disorder |
N/A |
N/A |
No information
|
| schizotypal personality disorder |
N/A |
N/A |
No information
|
| paranoid personality disorder |
N/A |
N/A |
No information
|
| narcissistic personality disorder |
N/A |
N/A |
No information
|
| dependent personality disorder |
N/A |
N/A |
No information
|
| Obsessive-compulsive personality disorder |
N/A |
N/A |
No information
|
| Avoidant personality disorder |
N/A |
N/A |
No information
|
| Personality Disorder NOS |
N/A |
N/A |
No information
|
| Personality Disorder Due to General Medical Condition |
N/A |
N/A |
No information
|
| behavioral disorders |
N/A |
N/A |
No information
|
| 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
|
| 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
|
| 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)
|
| 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)
|
| 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)
|
| Disordered Eating |
N/A |
N/A |
Unclear. Perhaps 4% of students.
|
| Eating Disorder not Otherwise Specified (ENDOS) |
N/A |
N/A |
No information
|
| psychotic disorders |
N/A |
N/A |
No information
|
| Schizophrenia |
approx 1 in 123 or 0.81% or 2.2 million people in USA |
2,199,999 |
Approximately 2.2 million American adults (NIMH); estimated 1.3% adults (USSG); more than 2 million Americans
|
| Brief Psychotic Disorder |
N/A |
N/A |
No information
|
| Delusional disorder |
N/A |
N/A |
No information
|
| Shared Psychotic Disorder |
N/A |
N/A |
No information
|
| Substance-induced Psychotic Disorder |
N/A |
N/A |
No information
|
The medical term 'prevalence' of Psychiatric disorders usually refers to the estimated population
of people who are managing Psychiatric disorders at any given time,
whereas the annual diagnosis rate of new cases of Psychiatric disorders is called the 'incidence'.
For more information on prevalence and incidence statistics, see about prevalence and incidence statistics.