Narcissistic People, Not Narcissistic Nations : Using Multilevel Modelling to Explore Narcissism across Countries

Using a large Internet sample (N = 31,391), multilevel modelling analyzed whether there was significant between-country variability on grandiose narcissism, and if country-level variables accounted for those differences. While countries with better social progress had lower narcissism scores, most of the variance in narcissism scores occurred at the within-country level.