Facts To Know!! Social anxiety disorder is common among people of both genders and generally starts about the age of 13. More men than women seek help for social phobia, probably because of gender roles and social expectations. Globally, the third most common mental health problem is a social anxiety disorder. Social anxiety disorder causes significant impairments. Social anxiety disorder is one of the most common of all psychological disorders, and its prevalence is growing. Social Anxiety Watch short video introduction on what Social Anxiety looks like.