For-Profit Prisons: Eight Statistics That Show the Problems
"States sign agreements with private prisons to guarantee that they will fill a certain number of beds in jail at any given point. The most common rate is 90%, though some prisons are able to snag a 100% promise from their local governments. Because of these contracts, the state is obligated to keep prisons almost full at all times or pay for the beds anyway, so the incentive is to incarcerate more people and for longer in order to fill the quota."