How many American adults suffer from generalized anxiety disorder? When it comes to generalized anxiety disorder in adults, it was reported that an estimated 6.8 million adults are affected during a year, or 3.1 percent of the population in the United States.
Globally around four percent of people may experience generalized anxiety disorder at some point in their life and the median age of onset for GAD is 31-years-old. The symptoms tend to appear more gradually than other types of anxiety disorders.
