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Diseases » Mental illness » Incidence
 

Incidence Statistics for Types of Mental illness

The information below shows a list of types of Mental illness, with information as to the annual incidence of each of these types of Mental illness. Estimates of the people affected each year are calculated based on the available statistics.

Incidence Statistics for Types of Mental illness

Disease

Incidence Estimate

US people estimate

Statistic Used for Calculation

Depressive disorders approx 1 in 14 or 6.91% or 18.8 million people in USA 18,799,999 estimated 18.8 million American adults annually (NIMH)
Depression N/A N/A No information
Dysthymic disorder N/A N/A No information
Bipolar disorder N/A N/A No information
Cyclothymic disorder N/A N/A No information
Anxiety disorders N/A N/A No information
Panic disorder approx 1 in 58 or 1.70% or 4.6 million people in USA 4,624,000 1.7% of US adults annually (NIMH)
Social phobia approx 1 in 27 or 3.70% or 10.1 million people in USA 10,064,000 3.7% adults annually (NIMH)
Specific phobias N/A N/A No information
Agoraphobia N/A N/A No information
Obsessive Compulsive Disorder approx 1 in 43 or 2.30% or 6.3 million people in USA 6,255,999 2.3% adults annualy (NIMH)
Post-Traumatic Stress Disorder approx 1 in 27 or 3.60% or 9.8 million people in USA 9,791,999 3.6% adults annually (NIMH)
Generalized Anxiety Disorder approx 1 in 35 or 2.80% or 7.6 million people in USA 7,615,999 2.8% of the adult U.S. population (NIMH)
Acute Stress Disorder N/A N/A No information
Separation Anxiety Disorder N/A N/A No information
Dementia approx 1 in 738 or 0.14% or 368,320 people in USA 368,320 6,175 annual cases in Victora 1996 (DHS-VIC)
Eating disorders N/A N/A No information
Anorexia N/A N/A No information
Bulimia N/A N/A No information
Binge eating disorder N/A N/A No information
Disordered eating N/A N/A No information
Body Dysmorphic Disorder N/A N/A No information
Developmental disorders N/A N/A No information
Mental retardation N/A N/A No information
Learning disorders N/A N/A No information
Autism approx 1 in 90,666 or 0.00% or 3,000 people in USA 3,000 3,000 new cases in the USA 2001 (BBC News, 2002)
Asperger syndrome N/A N/A No information
Behavioral disorders N/A N/A No information
Attention Deficit-Hyperactivity Disorder (ADHD) N/A N/A No information
Conduct Disorder N/A N/A No information
Oppositional Defiant Disorder N/A N/A No information
Tic disorders N/A N/A No information
Tourette syndrome N/A N/A No information
Psychotic disorders N/A N/A No information
Schizophrenia N/A N/A No information
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
Personality disorders N/A N/A No information
Paranoid Personality Disorder N/A N/A No information
Schizoaffective 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
Antisocial Personality Disorder N/A N/A No information
Borderline Personality Disorder approx 1 in 1,510 or 0.07% or 180,074 people in USA 180,074 3,019 annual cases in Victora 1996 (DHS-VIC)
Histrionic Personality Disorder N/A N/A No information
Narcissistic Personality Disorder N/A N/A No information
Avoidant Personality Disorder N/A N/A No information
Dependent Personality Disorder N/A N/A No information
Gender Identity Disorder N/A N/A No information
Paraphilias N/A N/A No information
Pedophilia N/A N/A No information
Voyeurism N/A N/A No information
Exhibitionism N/A N/A No information
Fetishism N/A N/A No information
Frotteurism N/A N/A No information
Sexual Masochism N/A N/A No information
Sexual Sadism N/A N/A No information
Transvestitism N/A N/A No information
Dissociative Disorders N/A N/A No information
Dissociative Amnesia N/A N/A No information
Dissociative Identity Disorder N/A N/A No information
Impulse Control Disorders N/A N/A No information
Kleptomania N/A N/A No information
Pyromania N/A N/A No information
Gambling addiction N/A N/A No information
Intermittent Explosive Disorder N/A N/A No information
Trichotillomania N/A N/A No information
Somatoform Disorders N/A N/A No information
Somatization Disorder N/A N/A No information
Conversion Disorder N/A N/A No information
Pain Disorder N/A N/A No information
Undifferentiated Somatoform disorder N/A N/A No information
Hypochondriasis N/A N/A No information
Adjustment Disorder N/A N/A No information
Sleep Disorders N/A N/A No information
Insomnia N/A N/A No information
Narcolepsy N/A N/A No information
Hypersomnia N/A N/A No information
Amnesia N/A N/A No information
Nonaffective Psychosis N/A N/A No information
Panic attack N/A N/A No information

Incidence Statistics for Mental illness


Incidence of Mental illness:

about 22.1 percent of American adults annually or 44.3 million people (NIMH)

Incidence Rate:

approx 1 in 4 or 22.10% or 60.1 million people in USA [about data]

Incidence statistics about Mental illness:

The following statistics relate to the incidence of Mental illness:

  • 22.1% of adults over 18 in the US (National Institute of Mental Health, NIH)
  • 44.3 million adults over 18 in the US 1998 (National Institute of Mental Health, NIH)
  • 3% of noninstitutionalised adults had severe psychological distress in the past 30 days in the US 2002 (National Health Interview Survey, 2003, NCHS, CDC)

Types of Mental illness

For more information about types of Mental illness, refer to our section on types of Mental illness.

About incidence:

The medical term 'incidence' of Mental illness usually refers to the annual diagnosis rate of new cases of Mental illness. Prevalence is a different medical disease measure that refers to the estimated population of people who are managing Mental illness at any given time (e.g. prevalence includes people who have had a medical condition for a long time). For more information on prevalence and incidence statistics, see about prevalence and incidence statistics.

 

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