"When incarceration rates by State (excluding Federal inmates) are estimated separately by gender, race, and Hispanic origin, male rates are found to be 10 times higher than female rates; black rates 5-1/2 times higher than white rates; and Hispanic rates nearly 2 times higher than white rates."


Harrison, Paige M., & Beck, Allen J., PhD, Bureau of Justice Statistics, "Prison and Jail Inmates at Midyear 2005," Washington, DC: US Dept. of Justice, May 2006, NCJ213133.