Here, according to The APA, are the 9 criteria for “Narcissistic Personality Disorder”. If an individual has 5 out of the 9 they have a confirmed diagnosis of this illness. Many individuals have “traits” of narcissism but only about 1% of the population has clinical NPD.
“Summary : A pervasive pattern of grandiosity (in fantasy or behavior), need for admiration, and lack of empathy, beginning by early adulthood and present in a variety of contexts, as indicated by five (or more) of the following:
1. Has a grandiose sense of self-importance (e.g., exaggerates achievements and talents, expects to be recognized as superior without commensurate achievements)
2. Is preoccupied with fantasies of unlimited success, power, brilliance, beauty, or ideal love.
3. Believe that he or she is “special” and unique and can only be understood by, or should associate with other special or high-status people (or institutions)
4. Requires excessive admiration
5. Has a sense of entitlement
6. Is interpersonally exploitative
7. Lacks empathy: is unwilling to recognize or identify with the feelings and needs of others
8. Is often envious of others or believes that others are envious of him or her.
9. Shows arrogant, haughty behaviors or attitudes.”