14 studies reported the prevalence of schizophrenia in a variety of population subgroups. These studies came from 11 countries: Denmark (n = 2), Israel (n = 1), Mauritius (n = 1), New Zealand (n = 1), Norway (n = 1), Romania (n = 1), Russian Federation (n = 1), Sweden (n = 1), USA (n = 1), Ukraine (n = 1), and the United Kingdom (n = 3).
Key details of the Cohort and Other Special Groups can be found in the published paper.