Data from the 2001–02 National Epidemiologic Survey on Alcohol and Related Conditions indicates a prevalence of 2.36% in the American general population. It appears to occur with equal frequency in males and females. In one study, it was seen in 14.7% of psychiatric outpatients.
Avoidant personality disorder
Schizoid personality disorder
Dependent personality disorder
Asperger syndrome
Histrionic personality disorder
Social anxiety disorder
Immature personality disorder
Schizotypal personality disorder  Schizotypal disorder  1