Key Takeaways
- Genetic heritability of PPD estimated at 0.40-0.60 from twin studies
- Lifetime prevalence of Paranoid Personality Disorder (PPD) in the general population is estimated at 2.3% to 4.4% according to DSM-5 criteria
- PPD comorbid with schizophrenia in 20-30% of cases
- PPD requires pervasive distrust and suspiciousness of others, interpreted as malevolent, beginning by early adulthood
- PPD response rate to CBT is 45-60% symptom reduction after 12 months
Paranoid personality disorder affects a small portion of people, often shaping relationships through deep distrust.
Related reading
01 · Category
Causes and Risk Factors28 stats
Causes and Risk Factors Interpretation
02 · Category
Prevalence and Epidemiology30 stats
Prevalence and Epidemiology Interpretation
03 · Category
Prognosis and Comorbidities30 stats
Prognosis and Comorbidities Interpretation
More related reading
04 · Category
Symptoms and Diagnostic Criteria30 stats
Symptoms and Diagnostic Criteria Interpretation
05 · Category
Treatment and Management30 stats
Treatment and Management Interpretation
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.
Margot Villeneuve. (2026, February 13). Paranoid Personality Disorder Statistics. Gitnux. https://gitnux.org/paranoid-personality-disorder-statistics
Margot Villeneuve. "Paranoid Personality Disorder Statistics." Gitnux, 13 Feb 2026, https://gitnux.org/paranoid-personality-disorder-statistics.
Margot Villeneuve. 2026. "Paranoid Personality Disorder Statistics." Gitnux. https://gitnux.org/paranoid-personality-disorder-statistics.
Sources & references
13 datasets cited across this report · attribution is report-level

