Total Spending on Corrections by State Governments
"In fiscal 2015, corrections spending represented 3.1 percent of total state spending and 6.8 percent of general fund spending. General fund dollars are the primary source for state corrections and accounted for $50.9 billion, or 89.5 percent, of all fiscal 2015 state corrections spending. State funds (general funds and other state funds combined, but excluding bonds) accounted for 97.7 percent of total state corrections spending in fiscal 2015. Federal funds accounted for 1.2 percent and bonds accounted for 1.0 percent."