"At year-end 2019, an estimated 1,430,800 prisoners were under state or federal jurisdiction, a decrease of 2% from the 1,464,400 prisoners in 2018 and 11% from the peak of 1,615,500 prisoners in 2009 (table 1). About 88% of all prisoners were under state jurisdiction and 12% were under BOP jurisdiction in 2019, with state prisoners accounting for 86% of the decline in the total prison population from 2018 (not shown in tables).