A 5-percent decrease in violent crime (murder, forcible rape, robbery, and aggravated assault) and a 7-percent decrease in property crime (burglary, motor vehicle theft, and larceny- theft) occurred. Geographically, declines in the overall Crime Index were recorded in all regions for the same period. Further, law enforcement agencies cleared 21 percent of the total Crime Index offenses in 1983. Arrests for all offenses except traffic violations totaled an estimated 11.7 million in 1983, down 3 percent from 1982. Finally, 80 law enforcement officers were killed feloniously in the line of duty, 12 less than in 1982. Ninety-one percent of the 1983 murders have been cleared. Two tables and seven graphs are included.