Ĭomparatively, it is estimated that 4.2% of American adults have a serious mental illness. It has been estimated that over 10% of death row inmates have a mental illness.adults have less than a high school diploma or GED. 69.75% have less than a high school diploma or GED.population is female, and 49.2% is male (USCB 2018). See also: List of women on death row in the United StatesĬomparatively, 50.8% of the U.S. Further comparison by murder committed by using raw numbers, White 3011, Black 3177, Other 207, and Unknown 148 (per FBI 2018 Crime in the United States, Expanded homicide data table 6) population is 61% non-Hispanic white, 18.1% Hispanic or Latino, 13.4% African-American, 5.8% Asian, 1.3% Native American, and 2.7% mixed (per U.S. 3 Jurisdictions without the death penaltyĭemographics Ethnicity of defendants on death row Ĭomparatively, the U.S.2 List of death row inmates by jurisdiction.1.1 Ethnicity of defendants on death row.