33 OCD Statistics: How Many People Have OCD?

In this roundup of the newest OCD statistics and facts, we'll cover how many people have OCD, OCD demographics, facts, and much more.

Alan Hollander
September 14, 2023

33 OCD Statistics: How Many People Have OCD?

In this roundup of the newest OCD statistics and facts, we'll cover how many people have OCD, OCD demographics, facts, and much more.

Key OCD Statistics & Facts

  1. OCD affects approximately 2% of the global population.
  2. On average, individuals with OCD experience a 17-year delay between the onset of symptoms and receiving appropriate treatment.
  3. OCD tends to develop in early adulthood, with the median age of onset being 19 years old.
  4. Women are slightly more likely to be diagnosed with OCD than men.
  5. OCD is considered one of the top 10 leading causes of disability worldwide.
  6. Approximately 1 in 4 people with OCD have a co-occurring tic disorder, such as Tourette's syndrome.
  7. The lifetime prevalence of OCD in children and adolescents is estimated to be around 1-3%.
  8. OCD is recognized as one of the most disabling psychiatric disorders, comparable to conditions like schizophrenia and bipolar disorder.
  9. The World Health Organization (WHO) ranks OCD as one of the top 20 causes of illness-related disability among individuals aged 15-44.
  10. OCD can significantly impair social and occupational functioning, leading to difficulties in relationships, work, and education.
  11. About 40-60% of individuals with OCD experience symptoms that are resistant to standard treatment.
  12. The lifetime prevalence of OCD in the United States is estimated to be around 2.3%.
  13. The average duration of untreated OCD is around 17 years, highlighting the need for improved awareness and access to treatment.
  14. The annual cost of OCD in the US is estimated to be $8.4 billion in direct and indirect costs, including healthcare expenses and lost productivity.
  15. Only about half of individuals with OCD receive appropriate treatment.
  16. Exposure and response prevention (ERP) therapy is considered the gold standard treatment for OCD and has been found to be effective in up to 80% of cases
  17. Individuals with OCD often experience shame and embarrassment about their symptoms, which can lead to delays in seeking treatment.
  18. Hoarding disorder is a subtype of OCD characterized by persistent difficulty discarding or parting with possessions, regardless of their actual value.

How Many People Have OCD?

OCD affects around 1% of the global population.

Category Data
OCD Prevalence In Adults 1 in 100
OCD Prevalence In Children 1 in 200
Country With The Highest OCD Rate China
Country With The Lowest OCD Rate Taiwan

What Percentage Of The U.S. Has OCD?

Researchers estimate that 1.2% of adults in the United States have OCD. The actual OCD prevalence may be higher due to underdiagnosis and underreporting.

What's the Prevalence of OCD?

Obsessive-compulsive disorder (OCD) affects around 2-3% of the general population worldwide, making it one of the most common mental disorders. It affects people of all ages, races, and socioeconomic backgrounds, and is equally common in males and females. The age of onset for OCD is typically in adolescence or early adulthood, although it can start at any age.

OCD often co-occurs with other mental health conditions, such as depression, anxiety disorders, and eating disorders. Despite its high prevalence and significant impact on quality of life, many people with OCD do not receive appropriate treatment. It is estimated that it takes an average of 14-17 years from the onset of symptoms for individuals with OCD to receive a correct diagnosis and appropriate treatment.

OCD Statistics By Age

OCD Prevalence In Children and Adolescents:

  • OCD affects around 1-2% of children and adolescents. (American Academy of Child and Adolescent Psychiatry)
  • The average age of onset for OCD symptoms in children is around 10-12 years old. (National Institute of Mental Health)
  • Approximately 25% of adults with OCD experienced their first symptoms during childhood. (National Institute of Mental Health)
  • OCD is equally prevalent in boys and girls during childhood. (American Academy of Child and Adolescent Psychiatry)
  • Common obsessions in children with OCD include fears of contamination, harm to loved ones, and fears of harming others accidentally. (Journal of the American Academy of Child and Adolescent Psychiatry)
  • Common compulsions in children with OCD include washing, checking, repeating, and arranging objects. (Journal of the American Academy of Child and Adolescent Psychiatry)
  • Early diagnosis and intervention are crucial for improving outcomes in children with OCD. (American Academy of Child and Adolescent Psychiatry)

OCD Prevalence In Adolescents and Young Adults:

  • The prevalence of OCD increases during adolescence, with the average age of onset around 19 years old. (National Institute of Mental Health)
  • Approximately 75% of adults with OCD experienced their first symptoms during adolescence. (National Institute of Mental Health)
  • The male-to-female ratio for OCD is more equal in adolescents and young adults compared to other age groups. (American Psychiatric Association)
  • OCD can significantly impact academic performance, social relationships, and daily functioning in adolescents and young adults. (Journal of Clinical Child and Adolescent Psychology)
  • Cognitive-Behavioral Therapy (CBT) and medication are the most commonly used treatments for OCD in adolescents and young adults. (International OCD Foundation)

OCD Prevalence In Adults:

  • The prevalence of OCD in adulthood remains stable at around 2-3% of the population. (World Health Organization)
  • OCD is equally prevalent in men and women in adulthood. (World Health Organization)
  • On average, there is a delay of 17 years between the onset of OCD symptoms and receiving appropriate treatment in adults. (International OCD Foundation)
  • Adults with OCD often have comorbid mental health conditions, such as depression, anxiety disorders, and substance use disorders. (International OCD Foundation)
  • Cognitive Behavioral Therapy (CBT) and medication, such as SSRIs, are effective treatments for OCD in adults. (National Institute of Mental Health)
  • OCD can lead to significant impairment in occupational, social, and interpersonal areas in adulthood. (Psychiatry Research)

OCD Prevalence In Elderly:

  • There is limited research on the prevalence of OCD in the elderly population.
  • OCD symptoms that persist into old age may have an early age of onset and show a chronic course. (Harvard Review of Psychiatry)
  • OCD symptoms in the elderly can be complicated by comorbid medical and cognitive conditions. (Harvard Review of Psychiatry)
  • CBT and medication can still be effective treatments for elderly individuals with OCD, but adjustments may be needed to account for age-related factors. (Harvard Review of Psychiatry)

OCD Prevalence by Country

Effective treatments for obsessive-compulsive disorder (OCD) include cognitive-behavioral therapy (CBT) and medication. Exposure and response prevention (ERP) therapy is considered the gold standard treatment for OCD and has been found to be effective in up to 80% of cases.

Medications used to treat OCD include selective serotonin reuptake inhibitors (SSRIs), tricyclic antidepressants (TCAs), and antipsychotics. Approximately 50% of individuals with OCD experience significant improvement or remission following treatment.

However, it is important to note that not all individuals respond equally well to treatment, and some may require multiple trials of different treatments before finding one that works for them.

In addition, treatment for OCD can be complicated by the presence of comorbid conditions or treatment-resistant symptoms. It is important for healthcare providers to work closely with individuals with OCD to develop a personalized treatment plan that addresses their unique needs and challenges.

OCD Prevalence by State

A study published in 2013 analyzed data from a national survey of mental disorders and estimated the lifetime prevalence of OCD in each state. The study found that the highest estimated prevalence of OCD was in Iowa (2.3%), followed by Wisconsin (2.2%), and Minnesota (2.1%).

The lowest estimated prevalence rates were in Hawaii (0.7%), Nevada (0.8%), and California (0.9%). It is important to note that these estimates are based on self-reported data and may not reflect the true prevalence of OCD in each state. More research is needed to better understand the geographic distribution of OCD and to develop effective interventions for individuals with OCD across the United States.

OCD Statistics by Gender and Age

OCD is equally common in both men and women, although some studies suggest that men are more likely to develop the condition earlier in life, while women may experience a later onset. The average age of onset for OCD is between 10 and 12 years old, with 25% of cases developing by age 14 and 50% by age 18. However, OCD can develop at any age, and some people may not experience symptoms until their 30s or 40s.

Interesting Facts About OCD

  • OCD affects approximately 2.3% of the global population, making it one of the most common mental health disorders. (World Health Organization)
  • The average age of onset for OCD is around 19 years old, although symptoms can appear at any age. (National Institute of Mental Health)
  • OCD affects both men and women equally.
  • The prevalence of OCD is higher in developed countries compared to developing nations. (World Health Organization)
  • Up to 90% of individuals with OCD have at least one co-occurring mental health condition, such as depression, anxiety disorders, or eating disorders. (International OCD Foundation)
  • The delay between the onset of OCD symptoms and receiving appropriate treatment can be as long as 17 years. (International OCD Foundation)
  • Cognitive Behavioral Therapy (CBT) is considered the most effective form of psychotherapy for OCD, with up to 70% of individuals experiencing significant symptom reduction. (National Institute of Mental Health)
  • Antidepressant medications, specifically selective serotonin reuptake inhibitors (SSRIs), are often prescribed to treat OCD and have been found to be helpful for around 60% of individuals. (National Institute of Mental Health)
  • OCD-related compulsions can consume up to 3 to 8 hours per day, severely impacting an individual's daily life and functioning. (International OCD Foundation)
  • Around 50% of adults with OCD experienced their first symptoms during childhood or adolescence. (National Institute of Mental Health)
  • Early recognition and intervention can lead to better treatment outcomes for individuals with OCD. (American Academy of Child and Adolescent Psychiatry)
  • OCD often involves intrusive, distressing thoughts (obsessions) followed by repetitive behaviors or mental acts (compulsions) aimed at reducing the distress. (American Psychiatric Association)
  • Common obsessions in OCD include fears of contamination, harm coming to oneself or others, doubts, and the need for symmetry or exactness. (American Psychiatric Association)
  • Common compulsions in OCD include washing, checking, counting, repeating, and arranging objects. (American Psychiatric Association)
  • The economic cost of OCD, including healthcare expenses and lost productivity, is substantial. (International OCD Foundation)

Comorbidity of OCD

Obsessive-compulsive disorder (OCD) often co-occurs with other mental health conditions. In fact, up to 80% of individuals with OCD have at least one other psychiatric disorder, such as depression, anxiety disorders, substance abuse, and eating disorders.

The most commonly co-occurring disorders with OCD are major depressive disorder and other anxiety disorders, such as generalized anxiety disorder, panic disorder, and social anxiety disorder.

The presence of comorbid conditions can complicate treatment for OCD and may require a more comprehensive treatment approach. Furthermore, the severity of OCD symptoms is often greater in individuals with comorbid conditions compared to those without.

It is important for healthcare providers to assess for comorbid conditions when evaluating individuals with OCD and to provide integrated treatment that addresses all of the individual's mental health needs.

Treatment for OCD

Effective treatments for obsessive-compulsive disorder (OCD) include cognitive-behavioral therapy (CBT) and medication. Exposure and response prevention (ERP) therapy is considered the gold standard treatment for OCD and has been found to be effective in up to 80% of cases. Medications used to treat OCD include selective serotonin reuptake inhibitors (SSRIs), tricyclic antidepressants (TCAs), and antipsychotics.

Approximately 50% of individuals with OCD experience significant improvement or remission following treatment. However, it is important to note that not all individuals respond equally well to treatment, and some may require multiple trials of different treatments before finding one that works for them.

In addition, treatment for OCD can be complicated by the presence of comorbid conditions or treatment-resistant symptoms. It is important for healthcare providers to work closely with individuals with OCD to develop a personalized treatment plan that addresses their unique needs and challenges.

Summary

OCD is a common and often debilitating mental health condition that affects people of all ages and genders. While effective treatments are available, many people do not receive the appropriate care in a timely manner. By increasing awareness and understanding of OCD statistics, we can encourage those who may be struggling with the condition to seek help and access the resources they need to recover.

References

  1. https://adaa.org/understanding-anxiety/facts-statistics
  2. https://www.nimh.nih.gov/health/statistics/obsessive-compulsive-disorder-ocd
  3. https://www.singlecare.com/blog/news/ocd-statistics/
  4. https://beyondocd.org/ocd-facts
  5. https://iocdf.org/about-ocd/who-gets-ocd/