"Between year-end 2015 and year-end 2016, the rate of imprisonment for black adults decreased 4% (from 1,670 per 100,000 in 2015 to 1,608 per 100,000 in 2016) (figure 2). The imprisonment rate declined 29% since 2006 (2,261 per 100,000). The rate for white adults decreased 2% between 2015 (281 per 100,000) and 2016 (274 per 100,000), and it declined 15% during the past decade (324 per 100,000 in 2006). The imprisonment rate for Hispanic adults decreased 1%, from 862 per 100,000 in 2015 to 856 in 2016.

"There were 440 prisoners sentenced to more than one year in state or federal prison per 100,000 U.S. residents on December 31, 2017, the lowest rate since 1997 (444 per 100,000) (table 5; see figure 1). Among U.S. residents age 18 or older, 568 in 100,000 were imprisoned on a sentence of more than one year at year-end 2017. At that time, 1.1% of adult males living in the United States (1,082 in 100,000) were serving a sentence of more than one year, representing a 2% decrease from year-end 2016 (1,108 in 100,000).