Key Takeaways
- In the same NCS-R analysis, 47% of those with any personality disorder reported at least one substance use disorder
- In the U.S., adults with personality disorders were significantly more likely to have used mental health services than adults without personality disorders (measured as a higher utilization rate in the dataset)
- In a U.S. study using NHDS data, borderline personality disorder was among the conditions associated with the highest rates of repeat hospitalization (repeat admissions reported as a measurable proportion)
- 18.4% of adults with avoidant personality disorder reported at least moderate occupational impairment
- The DSM-5 lists 10 personality disorders across 3 clusters
- Obsessive-compulsive personality disorder is classified within Cluster C in DSM-5
- Personality disorders are associated with a mean reduction in quality-adjusted life years (QALYs) in a global burden analysis, reported as 0.62 QALYs lost per individual over the study horizon
- DBT reduced suicidal behavior by 35% compared with treatment as usual in a randomized trial of patients with borderline personality disorder
- Mentalization-based therapy showed a statistically significant reduction in self-harm episodes versus community treatment over 18 months (effect reported in trial results)
- Schema therapy reduced maladaptive schemas by a large effect size (Hedges g reported) in a meta-analysis of patients with personality disorders
- 30.0% of U.S. adults with any personality disorder met criteria for at least one anxiety disorder (NESARC, 2001–2002)
- 19% of adults with borderline personality disorder had a current substance use disorder in a national clinical survey study (U.S.)
- 33% of individuals with borderline personality disorder reported a lifetime history of eating disorder in a systematic review (pooled estimate)
- 0.6% of U.S. adults met criteria for obsessive-compulsive personality disorder (12-month period) in the National Comorbidity Survey Replication (NCS-R), 2001–2003
- 3.5% of adults in England had a diagnosis of a personality disorder (including all types) recorded in primary care in 2020/21
Personality disorders are common and costly, closely linked to substance use and impaired functioning, while structured therapies can reduce self-harm and crises.
Related reading
01 · Category
Service Utilization4 stats
Service Utilization Interpretation
02 · Category
Clinical Impact1 stats
Clinical Impact Interpretation
03 · Category
Diagnostic Criteria2 stats
Diagnostic Criteria Interpretation
04 · Category
Economic Burden1 stats
Economic Burden Interpretation
05 · Category
Treatment Effectiveness9 stats
Treatment Effectiveness Interpretation
More related reading
06 · Category
Comorbidity4 stats
Comorbidity Interpretation
07 · Category
Prevalence1 stats
Prevalence Interpretation
08 · Category
Healthcare Utilization5 stats
Healthcare Utilization Interpretation
09 · Category
Economic Impact5 stats
Economic Impact Interpretation
10 · Category
Service Delivery3 stats
Service Delivery Interpretation
Personality disorder: prevalence & co-occurring conditions (selected)
Selected estimates show substantial comorbidity and healthcare burden associated with personality disorders, including high rates of anxiety and substance use disorders among affected individuals and notable healthcare utilization.
Cite This Report
This report is designed to be cited. We maintain stable URLs and versioned verification dates. Copy the format appropriate for your publication below.
Priya Chandrasekaran. (2026, February 13). Personality Disorder Statistics. Gitnux. https://gitnux.org/personality-disorder-statistics
Priya Chandrasekaran. "Personality Disorder Statistics." Gitnux, 13 Feb 2026, https://gitnux.org/personality-disorder-statistics.
Priya Chandrasekaran. 2026. "Personality Disorder Statistics." Gitnux. https://gitnux.org/personality-disorder-statistics.
Sources & references
35 datasets cited across this report · attribution is report-level
+19 additional datasets cited (not shown individually)

