The United States Sentencing Commission received information on 71,184 federal criminal cases in which the offender was sentenced in fiscal year 2015. Among these cases, 71,003 involved an individual offender and 181 involved a corporation or other “organizational” offender. The Commission also received information on 24,743 cases in which the court resentenced the offender or modified the sentence that had been previously imposed. This publication provides an overview of those cases.