An international consortium of more than 700 academic institutions and research organizations, 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 500,000 files of research in the social sciences. It hosts 16 specialized collections of data in education, aging, criminal justice, substance abuse, terrorism, and other fields.

Data Access: All Users

Type: Microdata

Country: Canada, International, US

URL: http://www.icpsr.umich.edu/icpsrweb/landing.jsp McMaster Users

The ISSP is a cross-national collaboration programme conducting annual surveys on diverse topics relevant to social sciences.

Established in 1984 by its founding members Australia, Germany, Great Britain and the US, the ISSP has since included members covering various cultures around the globe. Its institutional members, each of them representing one nation, consist of academic organizations, universities, or survey agencies.

Since its foundation, over one million respondents have participated in the surveys of the ISSP. All collected data and documentation is available free of charge.

Data Access: All Users

Type: Microdata, Open Data

Country: International, US

URL: http://www.issp.org/menu-top/home/ All Users

re3data.org is a searchable catalog / registry / directory / bibliography of research data repositories. 

Data Access: All Users

Type: Microdata, Open Data, Statistics

Country: Canada, International, US

URL: http://www.re3data.org/ All Users