Explore Resources:US Prison Statistics A PDF from the Prison Policy Initiative with information, statistics, and graphics regarding mass incarceration and the U.S. prison systems including: How many people are incarcerated in the U.S.? 74% of people held in jails are not convicted of any crime Despite reforms, drug offences are still a defining characteristic of the federal system Pretrial policies drive jail growth Why are so many people detained in jails before trial? 1 in 5 incarcerated people is locked up for a drug offense Racial and ethnic disparities in correctional facilities 1 out of 5 incarcerated people in the world is incarcerated in the U.S. View the entire PDF here