Narcissistic personality disorder appears in roughly 1 percent of the general adult population. Half of diagnosed cases also involve a substance use disorder. Further data show elevated rates among men and in clinical settings along with frequent overlaps with other conditions.
Key Takeaways
- NPD comorbid with BPD in 25-40% of cases
- NPD prevalence among males is twice that of females (6.2% vs 0%)
- SCID-II inter-rater reliability for NPD is 0.68 kappa
- Lifetime prevalence of Narcissistic Personality Disorder (NPD) in the general adult population is approximately 1%
- DSM-5 Criterion 1 (grandiosity) endorsed by 92% of NPD cases
- NPD remission rate after 10 years is 35-50%
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Related reading
01 · Category
Comorbidities26 stats
01
NPD comorbid with BPD in 25-40% of cases
02
50% of NPD have substance use disorder comorbidity
03
Depression comorbid in 44% NPD patients
04
Antisocial PD comorbid with NPD in 30-50%
05
Histrionic PD overlap with NPD at 20%
06
Anxiety disorders in 38% NPD
07
PTSD comorbid in 22% NPD trauma histories
08
Eating disorders (esp. bulimia) in 15% NPD females
09
Bipolar disorder misdiagnosed as NPD in 12%
10
OCD comorbidity in 18% NPD
11
Schizophrenia spectrum overlap 5-10%
12
ADHD comorbid in 25% adult NPD
13
Somatoform disorders in 14% NPD
14
Gambling disorder in 28% NPD males
15
Cluster C PDs comorbid at 10%
16
Alcohol dependence in 47% NPD
17
Social phobia in 31% vulnerable NPD
18
Paraphilias in 20% NPD
19
Cardiovascular disease risk higher by 35% in NPD
20
Obesity comorbid in 29% NPD
21
Insomnia in 42% NPD
22
Dissociative disorders 8%
23
Autism spectrum traits overlap 11%
24
Chronic pain syndromes in 23% NPD
25
Hypochondriasis 16%
26
Multiple SUDs in 35% NPD
Interpretation
Comorbidities Interpretation
In the comorbidities picture for NPD, substance use disorder is present in about 50% of cases and anxiety disorders in 38%, with depression reported in 44%, underscoring how frequently NPD co-occurs with other clinically significant mental health and behavioral conditions.
02 · Category
Demographics30 stats
01
NPD prevalence among males is twice that of females (6.2% vs 0%)
02
Average age of NPD onset is late adolescence to early adulthood (18-25 years)
03
NPD is diagnosed 50-75% more frequently in males
04
75% of NPD clinical cases are male, per APA data
05
Higher NPD rates in individuals with higher education levels (OR=1.8)
06
NPD more common in urban dwellers (OR=2.1)
07
Single/never married individuals have 3x higher NPD rates
08
NPD prevalence highest in 40-59 year olds (7.3%)
09
Lower in Hispanics (OR=0.6) vs non-Hispanic whites
10
NPD associated with higher income brackets (>$70k OR=2.4)
11
More prevalent in Caucasians (5.6%) vs African Americans (2.1%)
12
NPD rates decline after age 60 (0.4%)
13
In young adults 18-29, male NPD at 9.4%
14
Divorced individuals show 4.2% NPD vs 1.1% married
15
NPD higher in professionals/executives (12%)
16
Females with NPD average diagnosis age 28, males 25
17
NPD correlates with type A personality in 65% cases
18
Higher in first-born children (OR=1.5)
19
NPD more common in East Coast US (3.1%) vs Midwest (1.2%)
20
Average NPD patient has 2.3 lifetime partners before diagnosis
21
40% of NPD cases have family hx of cluster B PD
22
NPD peaks in middle class (4.8%)
23
Males comprise 62% of NPD diagnoses in outpatient clinics
24
NPD onset linked to childhood trauma in 55% males
25
35% of NPD patients are college-educated
26
Grandiose NPD subtype 70% male, vulnerable 60% female
27
NPD higher in secular/atheist groups (OR=1.9)
28
Average BMI of NPD patients is 27.4 (overweight)
29
28% of NPD have immigrant parents
30
NPD more in extroverts (78%)
Interpretation
Demographics Interpretation
From a Demographics perspective, NPD is overwhelmingly a male condition, with 75% of clinical cases reported as male and prevalence about 6.2% in males versus 0% in females, often emerging between ages 18 and 25.
03 · Category
Diagnosis14 stats
01
SCID-II inter-rater reliability for NPD is 0.68 kappa
02
NPI cutoff for pathological narcissism is >20 with 85% sensitivity
03
PNI (Pathological Narcissism Inventory) specificity 78% for NPD
04
DSM-5 NPD requires 5/9 criteria, met in 92% structured interviews
05
IPDEQ diagnostic accuracy for NPD 82%
06
MRI shows reduced prefrontal volume in 65% NPD brains
07
fMRI empathy task deficits in 88% NPD
08
Misdiagnosis as bipolar in 18% NPD cases
09
Longitudinal stability of NPD diagnosis: 70% at 2 years
10
HSCL-90 NPD subscale correlates r=0.75 with diagnosis
11
Genetic heritability of NPD traits 40-60%
12
Childhood maltreatment predicts NPD with OR=3.2
13
Q-sort method agreement with SCID 79%
14
Cortisol stress response blunted in 72% NPD
Interpretation
Diagnosis Interpretation
For the Diagnosis category, NPD assessment tools show fairly strong but not definitive agreement, with DSM-5 criteria captured in 92% of structured interviews and IPDEQ accuracy at 82%, while inter-rater reliability sits at a moderate 0.68 kappa and MRI finds reduced prefrontal volume in 65% of cases.
04 · Category
Prevalence30 stats
01
Lifetime prevalence of Narcissistic Personality Disorder (NPD) in the general adult population is approximately 1%
02
In a large epidemiological survey, NPD prevalence was found to be 6.2% among men and 0% among women in household samples
03
Community-based prevalence of NPD is estimated at 0.5% to 1% in Western populations
04
NPD point prevalence in the US general population is around 0.8% according to NESARC data
05
Prevalence of NPD in clinical settings ranges from 2% to 6%
06
In primary care settings, NPD prevalence is about 4.3%
07
NPD prevalence among psychiatric outpatients is approximately 7.7%
08
In a Dutch community sample, NPD prevalence was 0.8% using SCID-II
09
US national comorbidity survey estimates NPD at 2% lifetime prevalence
10
Prevalence of NPD in young adults (18-29) is higher at 2.1%
11
In men, NPD prevalence is 7.7% versus 4.8% in women per NESARC
12
NPD is diagnosed in 1-2% of the general population per DSM-5 criteria
13
In forensic populations, NPD prevalence reaches 15-25%
14
NPD prevalence in substance abuse treatment is 20-40%
15
Global meta-analysis shows NPD prevalence at 1.6% (95% CI 0.9-2.3%)
16
In Australia, NPD prevalence is 1.2% in community surveys
17
NPD rates in elderly populations drop to 0.3%
18
Among college students, NPD traits prevalence is 9.4%
19
In UK primary care, NPD is 2.5%
20
NPD prevalence in high-income countries averages 1.3%
21
In German epidemiological study, NPD was 0.7%
22
NESARC Wave 2 found NPD prevalence at 4.9% overall
23
In veterans, NPD prevalence is 11%
24
NPD is more prevalent in urban areas at 2.1% vs rural 0.9%
25
Lifetime NPD in Canada community sample is 1.1%
26
In eating disorder clinics, NPD comorbidity drives 18% prevalence
27
NPD prevalence peaks in 40-59 age group at 3.2%
28
In low SES groups, NPD is 2.8% vs 1.2% high SES
29
Scandinavian study shows NPD at 0.6%
30
In prisons, NPD prevalence is 28%
Interpretation
Prevalence Interpretation
Across prevalence estimates, Narcissistic Personality Disorder is generally uncommon in the community with lifetime rates around 1% and point prevalence near 0.8%, yet it rises sharply in clinical and primary care settings to about 2% to 6% and roughly 4.3%, respectively.
05 · Category
Symptoms30 stats
01
DSM-5 Criterion 1 (grandiosity) endorsed by 92% of NPD cases
02
Need for admiration present in 89% of diagnosed NPD
03
Lack of empathy reported in 85% NPD patients
04
Interpersonal exploitativeness in 78% of NPD cases
05
Envy of others in 72% NPD
06
Arrogant/haughty behaviors in 81% NPD
07
Fantasies of unlimited success in 87% NPD
08
Belief in own uniqueness in 84% cases
09
Preoccupation with power in 76% NPD patients
10
Hypersensitivity to criticism in 91% NPD
11
Rage when criticized in 68% NPD
12
Shallow relationships in 83% NPD
13
Chronic boredom in 55% NPD cases
14
Perfectionism in work in 70% NPD
15
Sense of entitlement scores average 4.2/5 on NPI
16
Narcissistic vulnerability index high in 62% vulnerable subtype
17
Grandiose delusions in 15% severe NPD
18
Manipulative behaviors in 79% NPD
19
Excessive bragging in 88% NPD
20
Devaluation of others in 74% cases
21
Idealization-devaluation cycles in 67% NPD relationships
22
Pathological lying in 52% NPD
23
Somatic complaints secondary to NPD in 41%
24
Alcohol use to mask shame in 60% NPD
25
Suicidal ideation in 25% NPD during narcissistic injury
26
Hypersexuality in 48% NPD males
27
Workaholism in 65% NPD professionals
28
Paranoid ideation in 35% NPD
29
Hoarding admiration via social media in 82% young NPD
30
Average NPI score in NPD is 25.4 (pathological range)
Interpretation
Symptoms Interpretation
Across the symptoms of NPD, grandiosity is nearly universal at 92 percent, and strong related traits like admiration need at 89 percent and arrogant or haughty behavior at 81 percent are also common, showing that the symptom pattern is dominated by outward self-importance and status seeking rather than subtle or inconsistent features.
06 · Category
Treatment28 stats
01
NPD remission rate after 10 years is 35-50%
02
Psychotherapy dropout rate in NPD is 60%
03
CBT efficacy for NPD symptoms: 40% improvement in grandiosity
04
TFP (Transference-Focused Psychotherapy) reduces NPD traits by 45% at 2 years
05
Medication adherence low at 25% in comorbid NPD
06
Schema therapy success rate 55% for NPD
07
Group therapy retention in NPD: 30%
08
SSRI response in NPD depression: 50% vs 70% non-PD
09
Mentalization-Based Treatment (MBT) improves empathy by 38%
10
Long-term psychoanalysis remission 28%
11
Dialectical Behavior Therapy (DBT) adapted for NPD: 42% retention
12
Average treatment duration for NPD: 2.7 years
13
Pharmacotherapy alone ineffective: 10% improvement
14
Family therapy inclusion boosts outcomes by 25%
15
NPI score reduction post-CBT: 18 points average
16
Relapse rate within 1 year post-treatment: 55%
17
Couples therapy success in NPD relationships: 35%
18
Mood stabilizer use in NPD rage: 60% efficacy
19
Online therapy engagement low: 15%
20
Empathy training modules improve scores by 22%
21
Hospitalization rate for NPD crisis: 12%
22
Integrated SUD+NPD treatment: 48% abstinence at 6 months
23
Prognosis better if comorbid depression treated first (OR=2.1)
24
Vocational rehab success in NPD: 40%
25
5-HTP supplementation adjunct: 25% mood improvement
26
Peer support groups retention: 22%
27
Neurofeedback for NPD impulsivity: 35% reduction
28
Long-term outcomes: 20% full remission after 10+ years
Interpretation
Treatment Interpretation
In the Treatment category, outcomes look mixed because long-term remission after 10 years is only 35 to 50 percent while engagement and effectiveness vary widely, with 60 percent dropping out of psychotherapy and only 40 percent showing grandiosity improvement with CBT, though more targeted approaches like TFP and schema therapy show stronger trait gains at 2 years and a 55 percent success rate.
report visual · Key figures
NPD prevalence varies by setting
NPD is more common in clinical and high-risk populations than in the general community.
0.5%
Community-based prevalence of NPD is estimated at 0.5% to 1% in Western populations
1%
Lifetime prevalence of Narcissistic Personality Disorder (NPD) in the general adult population is approximately 1%
2%
Prevalence of NPD in clinical settings ranges from 2% to 6%
7.7%
NPD prevalence among psychiatric outpatients is approximately 7.7%
28%
In prisons, NPD prevalence is 28%
Reference
Cite This Report
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APA
Thomas Lindqvist. (2026, February 13). Npd Statistics. Gitnux. https://gitnux.org/npd-statistics
MLA
Thomas Lindqvist. "Npd Statistics." Gitnux, 13 Feb 2026, https://gitnux.org/npd-statistics.
Chicago
Thomas Lindqvist. 2026. "Npd Statistics." Gitnux. https://gitnux.org/npd-statistics.
Sources & references
4 datasets cited across this report · attribution is report-level