9 Avoidant Personality Disorder Statistics for 2026

Avoidant personality disorder, or AvPD, is a personality disorder marked by social inhibition, feelings of inadequacy, and rejection sensitivity. It belongs to Cluster C personality disorders, a group that also includes dependent and obsessive-compulsive personality disorder.

Looking at avoidant personality disorder statistics can help put the prevalence and impact of the condition into perspective.

To be diagnosed with AvPD under the Diagnostic and Statistical Manual of Mental Disorders (DSM-5-TR), a person needs to meet at least four of the following diagnostic criteria, starting in early adulthood and showing up across many parts of life:

• Avoiding work activities that involve a lot of contact with other people because of fear of rejection, criticism, or disapproval.
• Being unwilling to get involved with people unless they are sure they will be liked.
• Holding back in close relationships because of fear of being shamed or ridiculed.
• Being preoccupied with being rejected or criticized in social situations.
• Feeling inhibited in new social situations because of feelings of inadequacy.
• Seeing themselves as personally unappealing, socially inept, or inferior to others.
• Being unusually reluctant to take risks or try new activities because they might be embarrassing.

Below is a set of statistics on AvPD, followed by other established facts about this mental health disorder. Each links to its source.

Methodology

Every fact and figure here comes from peer-reviewed studies, government health surveys, and trusted references such as StatPearls and the Merck Manual, prioritizing the original study or survey over websites that repeat a statistic without citing its source.

Every number was checked against its original source before inclusion. Where two studies disagreed, both are shown with their sources rather than picking one as “correct.”

Numbers with a specific figure are kept separate from broader facts that don’t reduce to one number, like the typical age AvPD starts.

Several figures here, including the NESARC survey, come from data collected in 2001-2002, and no newer U.S. national survey has measured AvPD since. Where a stronger, more recent source was available, like a 2020 meta-analysis covering 21 countries or studies published in 2024 and 2026, that’s used as the main figure, with older numbers shown for comparison.

Statistics on Avoidant Personality Disorder

1. Worldwide, an estimated 2.7% of people have avoidant personality disorder

A 2020 meta-analysis combining data from 46 studies across 21 countries estimated that about 2.7% of people worldwide have AvPD, making it the second most common personality disorder in the analysis after obsessive-compulsive personality disorder (3.2%). The same analysis put any personality disorder at 7.8%.

Sources: Winsper et al. 2020, British Journal of Psychiatry

2. An estimated 4.9 million American adults, or 2.4% of the population, have avoidant personality disorder

A major U.S. survey conducted in 2001-2002, interviewing more than 43,000 adults, indicated that roughly 4.9 million Americans, about 2.36% of the population at the time, met the criteria for AvPD.

Other research indicates the prevalence of avoidant personality disorder is slightly higher among women than men.

A later re-analysis that required each criterion to cause distress or impairment found a much lower estimate (about 1.2%), showing how much prevalence figures can shift depending on how “having AvPD” is defined.

Sources: NIAAA; Grant et al. (2004), Journal of Clinical Psychiatry, PubMed; Revised NESARC Diagnoses, PMC

3. AvPD is the most common personality disorder among psychiatric outpatients, affecting 14.7% of patients

In a study of 859 psychiatric outpatients assessed with a semi-structured diagnostic interview at intake, AvPD was the most frequent specific personality disorder, found in 126 patients (14.7%), ahead of borderline and obsessive-compulsive personality disorder.

Overall, 31.4% of patients met criteria for at least one of the 10 specific DSM-IV personality disorders.

Source: Zimmerman et al. (2005), American Journal of Psychiatry

4. Nearly 40% of people with avoidant personality disorder also have generalized social phobia

In the same 43,093-person U.S. survey, nearly 40% of people with AvPD also met criteria for generalized social phobia (GSP), and 36.4% of people with GSP met criteria for AvPD.

Among people who feared all 13 social situations assessed, 57.3% met AvPD criteria.

People with both diagnoses had lower mental health-related quality of life and higher rates of other disorders, including major depression, than people with generalized social phobia alone. A three-year follow-up of the same survey found that AvPD at baseline predicted that generalized social anxiety disorder would persist.

Sources: Cox et al. (2009), Depression and Anxiety, PubMed; Cox et al. (2011), Depression and Anxiety

5. A twin study found that genetic factors account for about 64% of variation in avoidant personality disorder

Researchers analyzed questionnaire data from 8,045 Norwegian twins, and interview data from 2,794 participants several years later. The 2012 study estimated that genetic differences accounted for about 64% of the variation in AvPD in this sample, with no evidence of a shared family environment effect.

An earlier twin study of 92 identical and 129 non-identical pairs, using a single interview, had estimated the heritability of AvPD at just 28%.

Sources: Gjerde et al. (2012), Acta Psychiatrica Scandinavica, PMC; Norwegian Institute of Public Health summary; Torgersen et al. (2000), Comprehensive Psychiatry, PubMed

6. Half of patients with avoidant personality disorder no longer met full diagnostic criteria two years later

The Collaborative Longitudinal Personality Disorders Study reassessed 633 adults with schizotypal, borderline, avoidant, or obsessive-compulsive personality disorder at 6, 12, and 24 months. At a blind 24-month reassessment, 50% of the AvPD group had dropped below the diagnostic threshold.

Under a stricter definition of remission (12 consecutive months with two or fewer criteria), the AvPD remission rate was about 31%. StatPearls notes that one 10-year follow-up estimated the stability of an AvPD diagnosis at around 50%.

Sources: Grilo et al. (2004), Journal of Consulting and Clinical Psychology, PMC; StatPearls, NCBI Bookshelf

7. Avoidant personality disorder predicts a 41% lower chance of recovering from social phobia within five years

The Harvard/Brown Anxiety Research Program followed 514 patients with generalized anxiety disorder, social phobia, or panic disorder for five years. AvPD predicted a 41% lower likelihood of remission from social phobia and a 34% lower likelihood of remission from generalized anxiety disorder, and co-occurring major depression did not explain the results.

Source: Massion et al. (2002), Archives of General Psychiatry

8. In a 2024 trial, 62% of patients with AvPD and SAD did not complete group cognitive behavioral therapy, compared with 34.7% in group schema therapy

The most recent randomized trial in which every participant had AvPD enrolled 154 outpatients with both social anxiety disorder (SAD) and AvPD and assigned them to 30 weekly sessions of group cognitive behavioral therapy (79 patients) or group schema therapy (75 patients).

Both treatments produced substantial improvements, with no significant difference between them at three months or one year after treatment.

Attrition, counting dropout and protocol violations such as missing too many sessions, was 62% in group CBT and 34.7% in group schema therapy. Among completers, more than half no longer met criteria for social anxiety disorder or AvPD one year later, although most did not reach the threshold for clinically significant change on the symptom scales.

Sources: Baljé et al. (2024), Journal of Anxiety Disorders; Full text, Leiden University Repository

9. Treatment-seeking patients with Cluster C personality disorders, including AvPD, incur $31,372 to $69,331 in societal costs per person each year

A 2026 Dutch study assessed 375 patients seeking treatment for a Cluster C personality disorder at 10 outpatient sites, alongside 104 comparison participants from the general population.

Annual societal costs were estimated at €27,355 to €60,454 ($31,372 to $69,331) per patient, depending on the valuation method. This was 2.8 to 4.2 times the costs of the comparison group. The study found no differences in quality of life, functioning, or costs between avoidant, obsessive-compulsive, and dependent personality disorder.

Source: Groot et al. (2026), Journal of Clinical Psychology, PMC

Additional Facts About Avoidant Personality Disorder

AvPD begins in early adulthood, and avoidant behavior has been observed in children as young as 2

Like other personality disorders, avoidant personality disorder involves persistent patterns of thoughts and behavior that emerge by early adulthood. However, signs of social avoidance can appear much earlier: researchers have observed avoidant behavior in children as young as 2.

Both inherited traits associated with social anxiety and avoidance and childhood experiences such as rejection and marginalization may contribute to the development of AvPD.

Source: Merck Manual Professional Edition

AvPD is associated with more severe childhood neglect, but no specific gene has been identified

Genetic predisposition, environmental influences, and childhood experiences are all thought to contribute to the etiology of AvPD, but researchers have not identified a specific gene responsible for the disorder.

A Norwegian study of people with AvPD and social phobia found that adverse experiences during childhood were common in both groups. The AvPD group, however, had a stronger history of childhood neglect, with the clearest difference involving physical neglect.

The association between AvPD and greater neglect persisted even after the researchers took differences in temperament and experiences of abuse into account.

Sources: StatPearls, NCBI Bookshelf; Eikenaes et al. (2015), PLOS One

AvPD and social anxiety disorder are related but aren’t the same condition

Some researchers have argued that AvPD is simply a more severe form of social anxiety disorder. The DSM keeps them separate, in part because about two-thirds of people with AvPD do not meet criteria for social anxiety disorder, and a 10-year twin study found the two disorders share many, but not all, of their genetic risk factors.

People who have both conditions have more severe symptoms and disability than people with either one alone.

Sources: StatPearls, NCBI Bookshelf; Torvik et al. (2016), Journal of Abnormal Psychology, PMC; Merck Manual Professional Edition

Feeling inadequate and seeing oneself as socially inept are the most persistent symptoms of avoidant personality disorder

In the two-year follow-up of the Collaborative Longitudinal Personality Disorders Study, the AvPD criteria that were most common and least likely to change were feeling inadequate and viewing oneself as socially inept, along with the need for assurance of being liked before engaging with others.

Sources: McGlashan et al. (2005), American Journal of Psychiatry, PMC; StatPearls, NCBI Bookshelf

AvPD often occurs alongside depression, anxiety disorders, and other personality disorders

People with AvPD often also have major depressive disorder, obsessive-compulsive disorder, persistent depressive disorder, or an anxiety disorder such as panic disorder or social phobia.

Another personality disorder, such as dependent or borderline personality disorder, may also be present. Personality disorders as a group carry a higher likelihood of substance abuse and eating disorders such as anorexia nervosa, and suicidal ideation and attempts than the general population.

Sources: Merck Manual Professional Edition; StatPearls, NCBI Bookshelf; A study of temperament and personality in anorexia and bulimia nervosa

People with AvPD often have difficulty finding work and forming close relationships

Avoidant personality disorder can interfere with career development, with some individuals gravitating toward jobs that involve limited interpersonal conflict or reduced hours. Fear of criticism and rejection can also make it difficult to form romantic relationships and friendships, particularly when acceptance from others feels uncertain.

Source: StatPearls, NCBI Bookshelf

People with AvPD often avoid treatment

Individuals with AvPD often avoid treatment, and people with both social anxiety disorder and AvPD are often reluctant to seek help unless a co-occurring condition pushes them to. Anxiety, avoidance, and sensitivity to rejection can also interfere with staying in treatment once it starts.

Sources: Merck Manual Professional Edition; Baljé et al. (2024), Journal of Anxiety Disorders

Psychotherapy is the main treatment, and no medication is approved specifically for AvPD

While pharmacotherapy may be used to address co-occurring conditions, psychotherapy is the main treatment for AvPD. Recommended approaches include cognitive behavioral therapy focused on social skills (often in groups), supportive psychotherapy, and psychodynamic psychotherapy.

There are no placebo-controlled studies of medication for AvPD and no FDA-approved agents; antidepressants and anxiolytics are used mainly for co-occurring anxiety and depression.

Sources: Merck Manual Professional Edition; StatPearls, NCBI Bookshelf

Research on AvPD treatment remains limited, with few randomized trials and no meta-analysis of treatment

A 2023 review noted that only a few randomized controlled trials have been conducted and that meta-analytic evidence for therapy is still lacking. Most current knowledge comes from small studies, case reports, and case series.

Sources: Weme et al. (2023), Frontiers in Psychology; Lampe and Malhi (2018), Psychology Research and Behavior Management, PMC; StatPearls, NCBI Bookshelf

ICD-11 no longer lists AvPD as a separate diagnosis, but the DSM-5-TR does

ICD-11, in effect since January 2022, replaced the individual personality disorder categories with a single diagnosis rated by severity and trait domains. The DSM-5-TR retains AvPD as a named disorder, and its alternative dimensional model, which drops several other personality disorders, keeps AvPD.

Sources: Shadid et al. (2025), The Lancet Psychiatry; StatPearls, NCBI Bookshelf

What These Avoidant Personality Disorder Statistics Reveal

• Epidemiology: AvPD affects roughly 1.2% to 2.7% of the general population depending on the definition used, rising to 14.7% among psychiatric outpatients, with women affected slightly more often.
• Development of avoidant personality disorder: Heritability estimates range from 28% to 64% depending on study design, with the remaining risk linked to individual experiences such as childhood neglect and rejection.
• Personality traits and symptoms of AvPD: Core features are feelings of social inadequacy, social inhibition, and hypersensitivity to negative evaluation; feeling inadequate and socially inept are the symptoms least likely to change.
• Comorbid conditions: Nearly 40% of people with AvPD also have generalized social phobia, and depression, other anxiety disorders, and dependent or borderline personality disorder are common.
• Course and prognosis: Half of patients drop below the diagnostic threshold within two years, but only 31% meet a stricter remission definition, and AvPD lowers the chance of recovering from social phobia by 41% over five years.
• Treatment: In a 2024 trial of people with both AvPD and social anxiety disorder, 62% did not complete group CBT, compared with 34.7% in group schema therapy; no medication is approved specifically for AvPD.
• Consequences and costs: Cluster C personality disorders generate about $31,372 (€27,355) to $69,331 (€60,454) in societal costs per patient per year, and AvPD remains one of the least researched personality disorders.

How eCare Behavioral Health Institute Can Help

At eCare Behavioral Health Institute, we understand the challenges of assessing and treating avoidant personality disorder and other Cluster C personality disorders.

Our online continuing education courses feature evidence-based interventions to help clinicians recognize AvPD, differentiate it from social anxiety disorder and other overlapping conditions, and build the kind of therapeutic alliance that keeps avoidant clients engaged in treatment.

With on-demand recorded webinars, social workers, counselors, psychologists, and psychiatrists can stay current on emerging research and treatment strategies for an under-studied diagnosis.

Explore our continuing education courses to expand your expertise and enhance outcomes for clients with AvPD and other personality disorders.