Office of Research
The Office of Research carries out short-term and long-term process and impact evaluations for programs within the Department of Corrections and Rehabilitation, conducts research projects to enhance the classification of offenders according to their treatment needs and risks, conducts research designed to assess institutional program needs, and provides research-based information to CDCR administrators, staff, and others outside the Department
- Population Reports
- Offender Information and Demographics
- Population Projections
- California Prisoners and Parolees
- Historical Trends
- Recidivism Rate
The Office of Research provides Population Reports and Statistics containing extensive data on characteristics of the institution and parole populations, historical trends, summaries of population movements and parole outcome (including recidivism)
Similar information is available for the juvenile data from the Juvenile Research Branch webpage
The research programs present findings from studies designed to evaluate the effectiveness of rehabilitative programs as well as those conduced to assess institutional program needs, classify inmates and project population trends
For further information about additional data that the Office of Research may be able to provide, please contact the CDCR Office of Research at:


