Similar incidence of agrophobia in USA. This source says is 0.8% in USA. 0.5M/127M in Japan http://www.uptodate.com/contents/agoraphobia-in-adults-epidemiology-

Similar incidence of agrophobia in USA. This source says is 0.8% in USA. 0.5M/127M in Japan http://www.uptodate.com/contents/agoraphobia-in-adults-epidemiology-pathogenesis-clinical-manifestations-course-and-diagnosis http://www.uptodate.com/contents/agoraphobia-in-adults-epide... Talking about .5% to 1% range.