Total Number of Adults In State and Federal Prisons In The US At Year-End 2015
"At yearend 2015, the United States had an estimated 1,526,800 prisoners under the jurisdiction of state and federal correctional authorities. This was the smallest U.S. prison population since 2005 (1,525,900 prisoners). The prison population decreased by more than 2% from the number of prisoners held in December 2014 (figure 1). This was the largest decline in the number of persons under the jurisdiction of state or federal correctional authorities since 1978 (figure 2).
"The Federal Bureau of Prisons (BOP) had jurisdiction over 196,500 prisoners at yearend 2015, a decrease of 14,100 prisoners from yearend 2014. This was the third consecutive year that the federal prison population declined and the lowest number of federal prisoners since 2006 (193,000). This decrease in federal prisoners accounted for 40% of the total change in the U.S. prison population."