Most data are national in scope, but selected statistics pertain to regions and states.
Sourcebook of Criminal Justice Statistics compiles in one place criminal justice data from a variety of federal and non-governmental sources. Statistics must be national in scope or must have national relevance, and must be sound methodologically. Characteristics of the criminal justice system cover employees, expenditures, and attributes of state systems. Public attitudes towards crime and justice. Victimization, public opinion polls, gun control, and use of drugs are examples.