National Data

National offense data
Table 1, "Crime in the United States by Volume and Rate per 100,000 Inhabitants, 1987 - 2006"
Table 1A, "Crime in the United States, Percent Change in Volume and Rate per 100,000 Inhabitants for 2 years, 5 years, and 10 years"
Table 2, "Crime in the United States by Community Type, 2006"
Table 3, "Crime in the United States, Offense and Population Percent Distribution by Region, 2006"

Crime Clock

Other National data:
National clearance data
National arrest data
National police employee data