Many States expanded the procedures by which juveniles could be prosecuted in adult court. This report, using a unique dataset from 40 urban counties, describes the characteristics of more than 7,000 juveniles charged with felonies in State courts. The findings indicated that prosecution of juveniles in criminal court is generally reserved for those charged with the quite serious crimes of murder, robbery, and aggravated assault. These juveniles were much more likely than their adult counterparts in criminal court to have been charged with a violent crime. Highlights include the following: in 1998 in 40 of the largest urban counties, approximately 7,100 juvenile felony defendants were adjudicated in adult criminal court; of the 7,135 juvenile felony defendants, 62 percent were Black, 20 percent were White, 96 percent were male, and at the time of arrest 55 percent were within 1 year of adulthood as defined by their State; and in criminal court juveniles (64 percent) were more likely than adults (24 percent) to be charged with a violent felony.