It is also important to note that the mental disorder of psychosis is extremely rare, with about 3 in every 100 people experiencing a psychotic episode in their lifetime. The onset of psychosis, or similar disease processes like schizophrenia, usually begin in an individualâs late teens to early twenties.
1 Nationwide, 79% of undocumented immigrants are from Latin America a declining majority (52%) are from Mexico alone. 2  Most of the others are from Asia though Europe, Canada, and Africa account for hundreds of thousands of undocumented immigrants in the United States.
This shift in immigration is noteworthy because since 1965 Mexico has sent more immigrants (16.2 million) to the United States than any other country, in what has been the largest wave of immigration in U.S history (Pew Research Center, 2015).