The Inter-university Consortium for Political and Social Research (ICPSR) provides leadership and training in data access, curation, and methods of analysis for the social science research community. ICPSR maintains a data archive of more than 250,000 files, and also hosts 21 specialized collections of data in aging, education, criminal justice, substance abuse, terrorism, and more. As an institutional member of ICPSR, IU's researchers have full access to ICPSR's data archive, including members-only content.


Datasets Popular with IU Researchers

Collaborative Psychiatric Epidemiology Surveys (CPES)

The Collaborative Psychiatric Epidemiology Surveys (CPES) were initiated in recognition of the need for contemporary, comprehensive epidemiological data regarding the distributions, correlates and risk factors of mental disorders among the general population with special emphasis on minority groups. The CPES joins together three nationally-representative surveys: the National Comorbidity Survey Replication (NCS-R), the National Survey of American Life (NSAL), and the National Latino and Asian American Study (NLAAS). 

Midlife in the United States (MIDUS) Series

Midlife in the United States (MIDUS) is a national longitudinal study of health and well-being. The first wave of data collection (MIDUS I) began in 1995 and included a general population survey, as well as surveys of siblings of the general population respondents, and a twin pairs sample. The main data collection also included an oversample of five metropolitan areas. Subsequent waves of data collection were conducted in 2004-2006 (MIDUS 2) and 2013-2014 (MIDUS 3). In 2011-2014, the MIDUS Refresher study recruited a national probability sample to replenish the original MIDUS 1 baseline cohort. The series also includes the Midlife in Japan (MIDJA) studies.

Law Enforcement Management and Administrative Statistics (LEMAS) Series

The Law Enforcement Management and Administrative Statistics (LEMAS) series collects data from over 3,000 state and local law enforcement agencies on agency responsibilities, operating expenditures, job functions of sworn and civilian and employees, officer salaries and special pay, demographics characteristics of officers, weapons and armor policies, education and training requirements, computers and information systems, use of video technology, vehicles, special units, and community policing activities. LEMAS has been conducted periodically since 1987.