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Diseases » Anorexia Nervosa » Prevalence

Prevalence and Incidence of Anorexia Nervosa

Prevalance of Anorexia Nervosa:

estimated 0.1% adults (USSG); estimated 0.5 to 3.7 percent females (NIMH); 1% of adolescent girls (NWHIC) ... see also overview of Anorexia Nervosa.

Prevalance Rate:

approx 1 in 1,000 or 0.10% or 272,000 people in USA [Source statistic for calcuation: "estimated 0.1% adults (USSG); estimated 0.5 to 3.7 percent females (NIMH); 1% of adolescent girls (NWHIC)" -- see also general information about data sources]

Anorexia Nervosa: Rare Disease

Anorexia Nervosa is listed as a "rare disease" by the Office of Rare Diseases (ORD) of the National Institutes of Health (NIH). This means that Anorexia Nervosa, or a subtype of Anorexia Nervosa, affects less than 200,000 people in the US population.

Prevelance of Anorexia Nervosa discussion:

In their lifetime, an estimated 0.5 percent to 3.7 percent of females suffer from anorexia and an estimated 1.1 percent to 4.2 percent suffer from bulimia.20 (Source: excerpt from The Numbers Count: NIMH)

Prevelance statistics for Anorexia Nervosa:

The following statistics relate to the prevalence of Anorexia Nervosa:

  • 5-15% of cases of anorexia/bulimia are men in the US (National Institute of Mental Health, NIH)
  • 95-85% of cases of anorexia/bulimia are women in the US (National Institute of Mental Health, NIH)
  • more statistics...»

About prevalence and incidence statistics:

The term 'prevalence' of Anorexia Nervosa usually refers to the estimated population of people who are managing Anorexia Nervosa at any given time. The term 'incidence' of Anorexia Nervosa refers to the annual diagnosis rate, or the number of new cases of Anorexia Nervosa 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.


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