Stephan. www.bop.gov/about/statistics/statistics_inmate_..... If 37% of prison inmates are black... and 21.7% of prison inmates are Not U.S. Citizens... 8% of black people aren't U.S citizens? where'd they come from! calm  Stephan www bop gov/about/statistics/statistics_inmate_ If 37% of prison inmates are black and 21 7% Not U S Citizens 8% people aren't citizens? where'd they come from! calm