A total of 927,074 crimes were reported into the Uniform Crime Reports (UCR) program by Pennsylvania law enforcement agencies, representing a 3.7 percent increase over last year's reported crimes. Crime Index offenses are considered to be both most serious and most likely to be reported and are used nationally as the standard base for comparisons. They include murder and nonnegligent manslaughter, forcible rape, robbery, aggravated assault, burglary, larceny-theft, motor vehicle theft, and arson. A total of 443,043 Crime Index offenses were reported and confirmed by police after investigation. Crime Index offenses increased by 7.9 percent over last year. In addition, 483,989 Part II offenses were reported, a gain of 0.2 percent over these offenses reported last year. This year, 42.5 percent of all reported offenses were cleared (22 percent of the Crime Index offenses and 61.2 percent of all Part II offenses). A total of 86.5 percent of the Crime Index offenses and 83.8 percent of Part II offenses occurred within Standard Metropolitan Statistical Areas (SMSA's). The crime rate of core city jurisdictions in SMSA's continued to be much higher than the suburban jurisdictions. A total of 396,166 arrests were made, a 2.2 percent drop from last year. A total of 85.5 percent of arrestees were male, and 75.4 percent were white, 24.5 percent black, and 0.2 percent of other races. A total of 121,656 (30.7 percent) of the arrestees were under age 18, and 69.4 percent were under age 25. Male arrestees decreased 2.9 percent over last year; black arrestees decreased 5.5 percent; and arrests of juveniles decreased by 12.2 percent. Tabular data are provided. (Author summary modified)