Political Science Data, Methods, and Replication Resources

A shared commons of data and tools for the United States..

A data infrastructure for political science and contains information for all EU and most OECD democracies..

Advances scholarship on international politics, security, and trade that advances peace and prosperity, maintains a suicide attack database..

Allows users to view every congressional roll call vote in American history on a map of the United States and on a liberal-conservative ideological map..

Data on ethnic groups' access to state power, their settlement patterns, links to rebel organizations, transborder ethnic kin relations, and intraethnic cleavages..