The Bureau of Justice Statistics is the primary source for the collection, analysis and dissemination of statistics on crime and justice in the United States. This site provides links to reports, data, and a wide variety of publications including Age Patterns of Victims of Serious Violent Crimes; Enforcement Management and Administrative Statistics; and the World Factbook of Criminal Justice Systems.

A data depository maintained by the University of Michigan. Includes datasets from the National Crime Victimization Survey, the FBI's Uniform Crime Reports, the FBI's National Incident-Based Reporting System, and the Project on Human Development in Chicago Neighborhoods.

NCJRS is a “federally funded resource offering justice and substance abuse information to further support research, policy, and program development worldwide.” The website provides reports published by NCJRS, reference guides and summaries of criminal justice topics, free access to one of the largest criminal justice abstract databases in the world, and a comprehensive FAQ of criminal justice research questions.

Brings together data from more than 100 sources about many aspects of criminal justice in the United States, displayed in over 600 tables. Tables are sorted into 6 topical sections: Criminal justice characteristics; Public opinion; Crime & victims; Arrests & seizures; Courts, prosecution & sentencing; Parole, jails, prisons; and Death penalty.

Published by the FBI, includes statistics on crime in the United States, including hate crimes.

A list of studies and other publications with data on violence against women, from the National Archive of Criminal Justice Data.