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DataPlanet This link opens in a new window
Social-science data and statistics from a variety of sources. Trial access to Easy Analytic Software Inc. (EASI) and Claritas Consumer Profiles available through March 23rd, 2023.
ProQuest Statistical Insight This link opens in a new window
Index to governmental and private statistical data.
Selected primary sources
Human Rights Studies Online This link opens in a new window
Comparative documentation, analysis, and interpretation of major human rights violations and atrocity crimes worldwide from 1900 to 2010.
Roper iPoll This link opens in a new window
Public opinion data from academic, commercial and media survey organizations.
General Social Survey
Sociological and attitudinal trend data covering the U.S.
American National Election Studies
Survey data voting, public opinion, and political participation.
MIT Election Data
Free datasets on federal, state, and local elections.
Dave Leip's Atlas of U.S. Elections
Federal election results, some free, some for-fee.
Basic biographical information and ideological scores for members of Congress.
Aggregates legislative information from all 50 states, Washington, D.C., and Puerto Rico. Available via API and bulk downloads.
Correlates of State Policy
Hundreds of variables that represent policy outputs or political, social, or economic factors that influence policy differences across the states
Comparative performance measurement data for the 50 states.
Database of every official e-newsletter sent by
members of the U.S. House and Senate
State Democracy Index
Measures the quality of democratic institutions in the states, 2000-2018.
Labor Action Tracker
Database of strike and labor protest activity across the United States
Armed Conflict Location & Event Data Project (ACLED)
Data and analysis on political violence and protest in the developing world.
All military and non-military coup attempts in the world since 1946
Comparative Agendas Project
Collects and organizes data from archived sources to track public budgeting and policy outcomes across countries.
Correlates of War Datasets
Quantitative data in international relations.
Global State of Democracy Indices
Measure democratic performance for 165 countries, updated annually.
Global Terrorism Database
Information on terrorist incidents 1970-2016.
Integrated Network for Societal Conflict Research
Datasets on armed conflict, state fragility, and more.
Dataset for the analysis of the policy preferences covers over 1000 parties from 1945 - present in over 50 countries.
Quality of Government Institute
Research and data on the causes, consequences and nature of good governance and the quality of government.
Global current and historical data for measuring democracy, including types of democracies, elections, gender equality, and more.
Worldwide Governance Indicators
From the World Bank; data on corruption, government effectiveness, political stability, rule of law, and more
World Inequality Database
World distribution of income and wealth, both within countries and between countries.
World Justice Project Rule of Law Index
Data on how the rule of law is experienced around the world. Measures include corruption, open government, order and security, criminal justice, and more
World Military Expenditures and Arms Transfers (WMEAT)
Expenditures, arms transfers, armed forces, and related economic data worldwide.
World Policy Analysis Center
Tables, maps, and data downloads for comparisons on legal and policy topics.