In the United States, for example, narcissism as a personality trait has been rising since the 1970s, when the communal focus of the 60s gave way to the self-esteem movement and a rise in materialism.
U SAD-u, primjerice, narcizam kao crta ličnosti  pojavljuje se češće od sedamdesetih, kad je zadružni fokus šezdesetih utro put samopoštovanju i povećanju materijalizma.