About 9% of the population has at least one personality disorder.<ref>[https://www.ncbi.nlm.nih.gov/books/NBK542325/ Histrionic Personality Disorder], National Library of Medicine</ref> | About 9% of the population has at least one personality disorder.<ref>[https://www.ncbi.nlm.nih.gov/books/NBK542325/ Histrionic Personality Disorder], National Library of Medicine</ref> |