Prevalence and Incidence of Obsessive-compulsive disorder


About prevalence and incidence statistics: The term 'prevalence' of Obsessive-compulsive disorder usually refers to the estimated population of people who are managing Obsessive-compulsive disorder at any given time. The term 'incidence' of Obsessive-compulsive disorder refers to the annual diagnosis rate, or the number of new cases of Obsessive-compulsive disorder diagnosed each year. Hence, these two statistics types can differ: a short-lived disease like flu can have high annual incidence but low prevalence, but a life-long disease like diabetes has a low annual incidence but high prevalence. For more information see about prevalence and incidence statistics.

Prevalance of Obsessive-compulsive disorder: 3.3 million adult Americans (NIMH); 2.3% adults (NIMH); 1 in 50 people (NWHIC); 2.4% adults (USSG)
Prevalance Rate: approx 1 in 82 or 1.21% or 3.3 million people in USA [about data]
Incidence (annual) of Obsessive-compulsive disorder: 2.3% adults annualy (NIMH)
Incidence Rate: approx 1 in 43 or 2.30% or 6.3 million people in USA [about data]
Prevalance of Obsessive-compulsive disorder: OCD afflicts about 3.3 million adult Americans.1
Incidence of Obsessive-compulsive disorder: About 2.3% of the U.S. population ages 18 to 54 - approximately 3.3 million Americans - has OCD in a given year. 2

Prevelance of Obsessive-compulsive disorder discussion: Approximately 3.3 million American adults ages 18 to 54, or about 2.3 percent of people in this age group in a given year, have OCD. 3

Prevelance statistics about Obsessive-compulsive disorder: The following statistics relate to the prevalence of Obsessive-compulsive disorder:

  • Affects men and women equally in the US (National Institute of Mental Health, NIH)

1. excerpt from Anxiety Disorders: NIMH
2. excerpt from Facts about Obsessive-Compulsive Disorder: NIMH
3. excerpt from The Numbers Count: NIMH

Last revision: July 1, 2003

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