"This report presents "statistics on persons supervised by adult correctional systems in the United States at yearend 2014, including offenders supervised in the community on probation or parole and those incarcerated in state or federal prison or local jail. The report describes the size and change in the total correctional population during 2014. It details the downward trend in the correctional population and correctional supervision rate since 2007. It also examines the impact of changes in the community supervision and incarcerated populations on the total correctional population in recent years. Findings cover the variation in the size and composition of the total correctional population by jurisdiction at yearend 2014. Appendix tables provide statistics on other correctional populations and jurisdiction-level estimates of the total correctional population by correctional status and sex for select years. Highlights: Adult correctional systems supervised an estimated 6,851,000 persons at yearend 2014, about 52,200 fewer offenders than at yearend 2013; About 1 in 36 adults (or 2.8% of adults in the United States) was under some form of correctional supervision at yearend 2014, the lowest rate since 1996; The correctional population has declined by an annual average of 1.0% since 2007; The community supervision population (down 1.0%) continued to decline during 2014, accounting for all of the decrease in the correctional population; [and] The incarcerated population (up 1,900) slightly increased during 2014."