Statistics & Data Sets

"The mission of the American National Election Studies (ANES) is to inform explanations of election outcomes by providing data that support rich hypothesis testing, maximize methodological excellence, measure many variables, and promote comparisons across people, contexts, and time."

The survey gathers the opinions of Americans on issues such as religion, politics, race, gender, and free speech. Data is available from 1972 to the present. Users can download into SPSS or STATA formats.

According to their website, "Pew Research Center is a nonpartisan fact tank that informs the public about the issues, attitudes and trends shaping America and the world. It conducts public opinion polling, demographic research, media content analysis and other empirical social science research." Data sets cover media & news, social trends, and Internet & technology.

Established in 1978, the National Archive of Criminal Justice Data (NACJD) archives and disseminates data on crime and justice for secondary analysis. The archive contains data from over 2,600 curated studies or statistical data series.

The National Crime Victimization Survey (NCVS) series was designed to achieve three primary objectives: to develop detailed information about the victims and consequences of crime, to estimate the number and types of crimes not reported to police, and to provide uniform measures of selected types of crime.

The Office of Juvenile Justice and Delinquency Prevention sponsored three series of national juvenile corrections data collections: Census of Juveniles in Residential Placement (CJRP), Juvenile Residential Facility Census (JRFC), and the predecessor to the CJRP series, Children in Custody (CIC).

START seeks to collect and disseminate valuable datasets so that academics, analysts, and practitioners can take these objective baselines as their starting point for future analysis and decision-making. Most of the datasets provided here, but not all, can be downloaded for free.

Access to data files, codebooks, and other materials for the study of religion in the U.S. and around the world.

The Integrated Fertility Survey Series (IFSS) is a national resource that enhances knowledge about reproductive health, contraceptive use, pregnancy, and other issues vital to understanding and tracking the health of the U.S. population over five decades (data housed within ICPSR).

The National Data Archive on Child Abuse and Neglect (NDACAN) promotes secondary analysis of child abuse and neglect data by providing researchers with high quality datasets, documentation and technical support, and encourages collaboration within the scientific community.

NOTE: The data provided here is free to use, BUT you will need to submit a form and then download the dataset from Box.com in order to use it.

The National Longitudinal Study of Adolescent to Adult Health (Add Health) is a longitudinal study of a nationally representative sample of adolescents in grades 7-12 in the United States during the 1994-95 school year. The Add Health cohort has been followed into young adulthood with four in-home interviews, the most recent in 2008, when the sample was aged 24-32. Add Health is re-interviewing cohort members in a Wave V follow-up from 2016-2018 to collect social, environmental, behavioral, and biological data with which to track the emergence of chronic disease as the cohort moves through their fourth decade of life.

The National Survey of America's Families (NSAF) is part of The Urban Institute's Assessing the New Federalism (ANF) multi-year research project. Its purpose is to track the effects of recent federal policy changes decentralizing many social programs from the federal government to the states, focusing primarily on health care, income security, job training, and social services (data housed within ICPSR).

The National Survey of Family Growth (NSFG) gathers information on family life, marriage and divorce, pregnancy, infertility, use of contraception, and men’s and women’s health.