HELP US END MASS INCARCERATION
The Prison Policy Initiative uses research, advocacy, and organizing to dismantle mass incarceration. We’ve been in this movement for 22 years, thanks to individual donors like you.
Can you help us sustain this work?
Thank you,
Peter Wagner, Executive Director Donate
Can you help us sustain this work?
Thank you,
Peter Wagner, Executive Director Donate
Research Library newsletter archive
1-2 updates per month listing new empirical research entries in our Research Library.
- Research Library updates for October 23, 2024
- Research Library Updates for September 30, 2024
- Research Library Updates for August 13, 2024
- Research Library Updates for July 2, 2024
- Research Library Updates for May 29, 2024
- Research Library Updates for April 23, 2024
- Research Library Updates for March 28, 2024
- Research Library Updates for February 13, 2024
- Research Library Updates for January 3, 2024
- Research Library Updates for November 15, 2023
- Research Library Updates for September 6, 2023
- Research Library Updates for July 27, 2023
- Research Library Updates for June 8, 2023
- Research Library Updates for April 18, 2023
- Research Library Updates for March 21, 2023
- Research Library Updates for February 1, 2023
- Research Library Updates for December 29, 2022
- Research Library Updates for November 9, 2022
- Research Library Updates for October 11, 2022
- Research Library Updates for August 22, 2022
- Research Library Updates for July 18, 2022
- Research Library Updates for May 11, 2022
- Research Library Updates for April 5, 2022
- Research Library Updates for March 8, 2022
- Research Library Updates for January 19, 2022
- Research Library Updates for December 28, 2021
- Research Library Updates for November 2, 2021
- Research Library Updates for September 21, 2021
- Research Library Updates for August 12, 2021
- Research Library Updates for July 15, 2021
- Research Library updates for June 16, 2021
- Research Library updates for May 11, 2021
- Research Library updates for March 30, 2021
- Research Library updates for March 15, 2021
- Research Library updates for January 6, 2020
- Research Library updates for December 7, 2020
- Research Library updates for October 21, 2020
- Research Library updates for September 17, 2020
- Research Library updates for August 11, 2020
- Research Library updates for July 2, 2020
- Research Library updates, including 15 new reports about policing
- Research Library updates for May 15, 2020
- Research Library updates for April 14, 2020
- Research Library updates for March 4, 2020
- Research Library updates for January 28, 2020
- Research Library updates for December 31, 2019
- Research Library updates for November 6, 2019
- Research Library updates for September 26, 2019
- Research Library updates for September 5, 2019
- Research Library updates for August 14, 2019
- Research Library updates for July 18, 2019
- Research Library updates for June 27, 2019
- Research Library updates for May 30, 2019
- Research Library updates for April 18, 2019
- Research Library updates for March 28, 2019
- Research Library updates for February 21, 2019
- Research Library updates for January 23, 2019
- Research Library updates for December 20, 2018
- Research Library updates for November 21, 2018
- Research Library updates for September 27, 2018
- Research Clearinghouse updates for August 8, 2018
- Research Clearinghouse updates for June 14, 2018
- Research Clearinghouse updates for May 3, 2018
- Research Clearinghouse updates for April 4, 2018
- Research Clearinghouse updates for February 14, 2018
- Research Clearinghouse updates for January 4, 2018
- Research Clearinghouse updates for November 2, 2017
- Research Clearinghouse updates for October 5, 2017
- Research Clearinghouse updates for September 7, 2017
- Research Clearinghouse updates for July 12, 2017
- Research Clearinghouse updates for June 5, 2017
- Research Clearinghouse updates for April 26, 2017
- Research Clearinghouse updates for March 22, 2017
- Research clearinghouse updates for February 14, 2017
- Research Clearinghouse updates for January 20, 2017
- Research Clearinghouse updates for November 22, 2016
- Research Clearinghouse updates for October 25, 2016
- Research Clearinghouse updates for September 15, 2016
- Research Clearinghouse updates for August 10, 2016
- Research Clearinghouse updates for July 14, 2016
- Research Clearinghouse updates for April 28, 2016
- New Research Clearinghouse updates for March 29, 2016
- New Research Clearinghouse updates for March 9, 2016
- New Research Clearinghouse updates for February 22, 2016
- New Research Clearinghouse updates for January 29, 2016
- New Research Clearinghouse updates for January 7, 2016
- New Research Clearinghouse updates for December 17, 2015
- New Research Clearinghouse updates for November 24, 2015
- New Research Clearinghouse updates for November 5, 2015
- New Research Clearinghouse updates for October 7, 2015
- New Research Clearinghouse updates for September 17, 2015
- New Research Clearinghouse updates for August 12, 2015
- New Research Clearinghouse updates for July 16, 2015
- New Research Clearinghouse updates for May 27, 2015
- New Research Clearinghouse updates for April 23, 2015
- New Research Clearinghouse updates for March 25, 2015
- New Research Clearinghouse updates for March 3, 2015
- New Research Clearinghouse updates for February 6, 2015
- New Research Clearinghouse updates for January 20, 2015
- New Research Clearinghouse updates for December 12, 2014
- New Research Clearinghouse updates for November 19, 2014
- New Research Clearinghouse updates for October 31, 2014
- New Research Clearinghouse updates for October 15, 2014
- New Research Clearinghouse updates for September 23, 2014
- New Research Clearinghouse updates for September 4, 2014
- New Research Clearinghouse updates for July 28, 2014
- New Research Clearinghouse updates for June 24, 2014
- New Research Clearinghouse updates for May 7, 2014
- New Research Clearinghouse updates for March 27, 2014
- New Research Clearinghouse updates for Feb. 20, 2014
- New Research Clearinghouse updates for Dec. 11, 2013
- Research Clearinghouse updates for Nov. 1, 2013
- Research Clearinghouse updates for Oct. 3, 2013
- Research Clearinghouse updates for Sep. 10, 2013
- Research Clearinghouse update for August 9, 2013
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