Research Clearinghouse:

Beyond producing original research, the Prison Policy Initiative edits several databases to empower activists, journalists, and policymakers to shape effective criminal justice policy. This page contains links to virtually all the empirical criminal justice research available online, organized by category and publication date. If you know what you are looking for, you may also search the database. We also have an email newsletter (at right) for new research clearinghouse updates.


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Some of the most recently added reports are:

Tuesday, July 28 2015:

  • Created Equal: Racial and Ethnic Disparities in the US Criminal Justice System, [PDF] National Council on Crime and Delinquency. March, 2009. "African Americans make up 13% of the general US population, yet they constitute 28% of all arrests, 40% of all inmates held in prisons and jails, and 42% of the population on death row."
  • The Impact of an Aging Inmate Population on the Federal Bureau of Prisons [PDF] DOJ Office of the Inspector General. May, 2015. "According to BOP data, inmates age 50 and older were the fastest growing segment of its inmate population, increasing 25 percent from 24,857 in fiscal year (FY) 2009 to 30,962 in FY 2013."
  • Indicators of School Crime and Safety: 2014 [PDF] Bureau of Justice Statistics. July, 2015. "In 2013, among students ages 12-18, there were about 1,420,900 nonfatal victimizations at school."
  • Guilty Property: How Law Enforcement Takes $1 Million in Cash from Innocent Philadelphians Every Year -- and Gets Away with It, [PDF] ACLU of Pennsylvania. June, 2015. "Every year, Pennsylvania law enforcement agencies take roughly $14 million in cash, cars, and homes from property owners and never give it back."

Tuesday, July 21 2015:

  • Characteristics of New Commitments 1995 [PDF] New York Department of Correctional Services. 1997. "There were 34,721 total admissions to the New York State Department of Correctional Services in calendar year 1995."
  • Profile of Inmates Undercustody on January 1, 2001 [PDF] New York Department of Correctional Services. 2001. "There were 70,153 inmates undercustody on January 1, 2001, of whom 66,874 (95.3%) were men and 3,279 (4.7%) were women."
  • Profile of Inmate Population Under Custody on January 1, 2004 [PDF] New York Department of Correctional Services. 2004. "There were 65,197 inmates under custody on January 1, 2004, of whom 62,284 (95.5%) were men and 2,913 (4.5%) were women."
  • Jails: Intergovernmental Dimensions of a Local Problem, [PDF] Advisory Commission on Intergovernmental Relations. May, 1984. "According to the latest survey of jails, there currently are 3,493 such facilities in the United States, holding more than 212,000 people at any given time, and approximately 7 million over the course of the year."
  • Tribal Crime Data Collection Activities, 2015 [PDF] Bureau of Justice Statistics. July, 2015. "At midyear 2013, a total of 2,287 inmates were confined in 79 Indian country jails--a 3.3% decrease from the 2,364 inmates confined at midyear 2012."
  • Evaluation of Offenders Released in Fiscal Year 2011 That Completed Rehabilitation Tier Programs, Texas Department of Criminal Justice. April, 2015. "Five of the nine programs tracked showed a lower recidivism rate than the comparison group after the two year follow-up and seven showed a lower recidivism rate after three years."

Wednesday, July 15 2015:

  • Prisons of Poverty: Uncovering the pre-incarceration incomes of the imprisoned, Prison Policy Initiative. July, 2015. "We found that, in 2014 dollars, incarcerated people had a median annual income of $19,185 prior to their incarceration, which is 41% less than non-incarcerated people of similar ages."
  • The Racial Geography of Mass Incarceration Prison Policy Initiative. July, 2015. "Entirely separate from the more commonly discussed problem of racial disparities in who goes to prison, this data addresses a distressing racial and ethnic disparity in where prisons have been built."
  • Safer Return Urban Institute. 2015. "Despite implementation challenges, Safer Return was able to improve reentry outcomes for participants relative to comparisons who did not participate, though not as much as had been hoped for."
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