Yes, several narcissism tests exist, ranging from a single question you can answer in seconds to a 40-item questionnaire used in decades of psychology research. None of them, on their own, can diagnose Narcissistic Personality Disorder (NPD). That requires a structured evaluation by a mental health professional. But self-report tests can give you a meaningful signal about where you or someone else falls on the narcissism spectrum.
The Most Widely Used Narcissism Test
The Narcissistic Personality Inventory (NPI-40) is the gold standard for measuring narcissistic traits in the general population. Developed in the late 1970s and refined into its current 40-item version, it presents pairs of statements and asks you to pick the one you agree with more. One option in each pair reflects a narcissistic attitude (“I like to be the center of attention”) while the other doesn’t (“I prefer to blend in with the crowd”). Your total score reflects how many narcissistic-leaning statements you chose.
The NPI-40 was designed for non-clinical populations, meaning it measures narcissism as a personality trait that everyone has to some degree, not as a disorder. Higher scores indicate more narcissistic tendencies, but there’s no cutoff that means “you’re a narcissist.” It maps across seven factors, capturing things like authority, self-sufficiency, entitlement, and exhibitionism.
Shorter Versions That Still Work
If 40 questions feels like a lot, there’s a 16-item version (NPI-16) that correlates with the full test at .90, which is remarkably high. For practical purposes, the short version captures nearly the same information. You can find it freely available online, and it takes just a few minutes.
Researchers have even validated a Single Item Narcissism Scale, which asks you to rate how much you agree with the statement that you are a narcissist. Surprisingly, this one-question approach correlates significantly with longer narcissism scales and has high test-retest reliability. It doesn’t capture the nuance of different narcissistic subtypes, but it works as a quick screening tool, partly because people with narcissistic traits often don’t see narcissism as negative and are willing to endorse it.
What These Tests Can and Can’t Tell You
Self-report narcissism tests have an inherent tension. Narcissism is closely tied to how people present themselves, which means the very trait being measured can distort the answers. Someone high in what researchers call “grandiose narcissism” may genuinely believe their inflated self-image, so their answers feel honest to them even when they’re unrealistically positive. Meanwhile, someone with “vulnerable narcissism,” marked more by insecurity and sensitivity to criticism, may actually downplay narcissistic traits to manage how they come across.
This doesn’t make the tests useless. Research shows that self-reported narcissism scores aren’t simply confounded by people trying to look good. But the scores can shape how people report other things about themselves. Someone who scores high on narcissism and also tends toward socially desirable responding may inflate how generous or well-behaved they are while their narcissism score itself stays relatively accurate. The takeaway: trust the narcissism score as a rough indicator, but take any self-reported behavioral claims alongside it with more skepticism.
How a Professional Diagnosis Works
A clinical diagnosis of Narcissistic Personality Disorder is a different process entirely. The DSM-5 lists nine criteria for NPD, and a person must meet at least five to receive the diagnosis. These include a grandiose sense of self-importance, a belief that one is uniquely special, a constant need for admiration, a sense of entitlement, and fragile self-esteem that shows up as self-doubt, emptiness, or preoccupation with others’ opinions.
Clinicians use structured diagnostic interviews to assess these criteria. The most common is the Structured Clinical Interview for DSM-5 Personality Disorders (SCID-5-PD), which walks through specific questions designed to distinguish genuine personality disorder patterns from normal personality variation or temporary behavior. This isn’t a quiz. It’s a conversation, often lasting an hour or more, where a trained clinician evaluates patterns across your relationships, work, and inner emotional life over a long period of time.
The distinction matters because scoring high on the NPI-40 doesn’t mean you have NPD. Many confident, ambitious people score above average without meeting the clinical threshold. NPD involves rigid, pervasive patterns that cause real problems in functioning and relationships, not just a tendency to enjoy attention or think highly of yourself.
Grandiose vs. Vulnerable Narcissism
Most online narcissism tests focus on grandiose narcissism: the loud, confident, attention-seeking variety. But researchers increasingly recognize a second dimension. Vulnerable narcissism looks very different on the surface. It involves emotional instability, hypersensitivity to criticism, and a fragile sense of self, traits more closely linked to neuroticism than to the boldness people typically associate with narcissists.
The Five-Factor Narcissism Inventory (FFNI) was developed specifically to capture both types by mapping narcissistic traits onto the five major personality dimensions. Scales tied to extraversion predict grandiose narcissism, while scales tied to neuroticism predict vulnerable narcissism. Traits related to agreeableness (or rather, low agreeableness) connect to both types and to clinical NPD diagnoses. If you suspect narcissism but the grandiose description doesn’t fit, the vulnerable subtype may be more relevant, and a standard NPI won’t pick it up well.
What to Do With Your Results
If you’re taking a narcissism test about yourself, treat the result as one data point. A high score means you endorse more narcissistic attitudes than average, which could reflect healthy confidence, subclinical narcissistic traits, or something worth exploring with a therapist. Context matters enormously. If you’re taking it because your relationships keep falling apart in similar ways, or because someone close to you has raised concerns, that pattern is more informative than any single score.
If you’re trying to figure out whether someone else is a narcissist, online tests won’t help much. You can’t diagnose someone from the outside, and narcissism exists on a continuum. What you can do is learn to recognize the behavioral patterns, like entitlement, lack of empathy, exploitative behavior, and an outsized reaction to criticism, and decide how to respond to those patterns regardless of whether they meet a clinical threshold.