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- @unitedstates Project, The: A shared commons of data and tools for the United States. Subfield: American Politics .
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- Adjusted Interest Group Scores: From Tim Groseclose Subfield: American Politics .
- Africa Information Highway: Multiple customized tools to gather indicators, analyze them, and export them into multiple formats. Subfield: African Politics .
- African Dev. Bank Group Data Portal: Access to information on lending projects from 1967 up to now, the dataset includes basic information such as the project title and ID, country, sector, task manager but also, financial information, results and linksD, country, sector, task manager to publicly disclosed documents. Subfield: African Politics .
- Afrobarometer Data Collection: An African-led series of national public attitude surveys on democracy and governance in Africa Subfield: African Politics .
- Agency Data: An Archive of Administrative Agency Data from Tony Bertelli and Christian Grose. Subfield: American Politics .
- AidData: Produces evidence to improve how sustainable development investments are targeted, monitored, and evaluated. See datasets. Subfield: International Relations .
- Aids Flows: AidFlows visualizes how much development financing is provided and received around the world. Subfield: International Relations .
- American Ideology Project: Offers a measure of the political liberalism-conservatism of states, congressional districts, cities, state senate and assembly districts, and partisans within these areas Subfield: American Politics .
- American Legislatures Project: Aims to measure the ideology of individual state legislators and state legislatures as a whole over the past several decades, state and individual-level data available. Subfield: American Politics .
- American National Election Studies: ANES produces high quality data from its own surveys on voting, public opinion, and political participation; see Data Center for downloads Subfield: Public Opinion Surveys .
- American Presidency Project: Established in 1999 at the University of California, Santa Barbara, archives contain 103,280 documents related to the study of the Presidency. Subfield: American Politics .
- Amsterdam Institute for Advanced Labour Studies: Analysis of labor markets, social security incomes, institutions and governance, see research projects and datasets Subfield: Comparative Politics .
- Arab Barometer: Scientifically reliable data on the politically-relevant attitudes of ordinary citizens. Subfield: Comparative Politics .
- Archigos: A data base on leaders 1875 - 2004. Subfield: Comparative Politics .
- Armed Conflict Location & Event Data Project: Data and analysis source on political violence and protest in the developing world. See data page. Subfield: International Relations .
- Asian Barometer: Comparative survey of attitudes and values toward politics, power, reform, democracy and citizens' political actions in East Asia. Try online analysis tool. Subfield: Public Opinion Surveys .
- Australian Election Study: Aims to provide a long-term perspective on stability and change in the political attitudes and behaviour of the Australian electorate. Subfield: Comparative Politics .
- Austrian National Election Study: Comprehensive social science analysis of Austrian national elections. Subfield: European Politics .
- Authoritarian Regimes Dataset: A comprehensive dataset on authoritarian regimes in the world between 1972-2014. Subfield: Comparative Politics .
- Autocratic Regime Data: Provides transition information for the 280 autocratic regimes in existence from 1946 to 2010 Subfield: Comparative Politics .
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- Bayesian Corruption Index, The: A composite index of the perceived overall level of corruption in countries around the world. Subfield: Comparative Politics .
- Berlin Social Center: Data-driven research on education and work, markets and choice, migration, democracy and autocracy, international politics and law. Subfield: Comparative Politics .
- Biographical Directory of Members of Congress: Subfield: American Politics .
- British Election Study: Long term studies of Britain's electoral behavior. Subfield: European Politics .
- Brookings Inst. Vital Stats on Congress: Useful data on America's first branch of government, including data on the composition of its membership, its formal procedure, informal norms, party structure, and staff Subfield: American Politics .
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- Calculate Ideal Points of Federal Judges: This program implements the Giles, Hettinger, Peppers (GHP) method of estimating ideal points of federal judges in common policy space. Subfield: Law Courts Justice .
- California Redistricting Database: Responsible for collecting and processing data for California's decennial redistricting. Subfield: American Politics .
- Canadian Election Study: Thorough account of Canadian elections. Subfield: Comparative Politics .
- Caucasus Research Resource Centers: A network of research, resource and training centers established in 2003 in the capital cities of Armenia, Azerbaijan and Georgia, see datasets. Subfield: Comparative Politics .
- Census Data Center: Helpful site from Missouri for advanced analysis of Census data Subfield: Voting and Elections .
- Center for American Women & Politics: A leading source of scholarly research and current data about women’s political participation in the United States. Subfield: American Politics .
- Center for Political Studies: A leading center for the quantitative study of politics at the Univ. of Michigan. .
- Center for Systematic Peace Datasets: Multiple significant datasets prepared by researchers associated with the Center for Systemic Peace and are generated and/or compiled using open source information. Subfield: International Relations .
- Center for the Study of African Econ.: Researching on the economic and social development in Africa since 1986, includes Free and Fair Elections Database Subfield: African Politics .
- Change in Source of Leader Support: The goal of the CHISOLS data is to differentiate leader transitions in which a new leader depends on different social groups for support from those where the new leader depends on the same groups for support. Subfield: International Relations .
- Chapel Hill Expert Survey: Estimate party positioning on European integration, ideology and policy issues for national parties in a variety of European countries. Subfield: European Politics .
- Charles Stewart's Congress Data Page: Great resource on Congressional Committees Subfield: American Politics .
- Chicago Project on Security and Threats: Advances scholarship on international politics, security, and trade that advances peace and prosperity, maintains a suicide attack database. Subfield: International Relations .
- CIRI Human Rights Dataset: standards-based quantitative information on government respect for 15 internationally recognized human rights for 202 countries Subfield: Comparative Politics .
- Climate Change & African Pol. Stability: This program analyzes how climate change could impact African and international security, see data page Subfield: African Politics .
- Cline Center for Advanced Social Research: University of Illinois center supports research on variety of fronts, see projects page.. Subfield: International Relations .
- Comparative Agendas Project: Collects and organizes data from archived sources to track policy outcomes across countries. See dataset codebooks. Subfield: Comparative Politics .
- Comparative Constitutions Project: Comprehensive data about the world's constitutions, download data page. Subfield: Law Courts Justice .
- Comparative Political Data Set: Collection of political and institutional country-level data. It consists of annual data for 36 democratic countries for the period of 1960 to 2015 or since their transition to democracy. Subfield: Comparative Politics .
- Comparative Study of Electoral Systems: A collaborative program of research among election study teams from around the world. Subfield: Comparative Politics .
- Comparative Welfare Entitlements Dataset: Information about the structure and generosity of social insurance benefits in 33 countries around the world Subfield: Comparative Politics .
- Computational Event Data System: Uses automated coding of news reports, focusing on the Middle East, Balkans, and West Africa, for statistical early warning models to predict political change. Subfield: International Relations .
- Congress Project, The: Site features data collected by the Congress project, as well as links to other sites providing data and information on the U.S. Congress. Subfield: American Politics .
- Congress Roll Call Vote Indexes: Useful, basic tables on roll call votes in House and Senate (101-present) Subfield: American Politics .
- Congressional Bills Project: information about more than 400,000 bills introduced in the U.S. Congress, currently 1947-2008, along with extensive information about each bill's progress and sponsor Subfield: American Politics .
- Congressional District Data: The data set includes a wide range of economic, social and geographic information for every U.S. congressional district, from 1943-1998. Subfield: Voting and Elections .
- Congressional Voting Data: This data set includes traditional aggregate voting scores as well as Cooper-Young structuring scores from the 40th through the 111th Congresses (1867-2009) Subfield: American Politics .
- Constituency-Level Elections Archive: A repository of detailed election results at the constituency level for lower house legislative elections from around the world Subfield: Voting and Elections .
- Constitute Project: Beautiful online environment to read, search, and compare the world's constitutions Subfield: Law Courts Justice .
- Continent of Int'l Law: Dataset drawn from UN Treaty Series and features a random sample of agreements across the issue areas of economics, environment, human rights and security Subfield: International Relations .
- Cooperative Congressional Election Study: The first truly large-scale academic survey project aimed at studying the midterm Congressional elections. Subfield: Voting and Elections .
- Correlates of State Policy Project: Aims to compile, disseminate, and encourage the use of data relevant to U.S. state policy research, tracking policy differences across and change over time in the 50 states Subfield: American Politics .
- Correlates of War Project Datasets: COW seeks to facilitate the collection, dissemination, and use of accurate and reliable quantitative data in international relations. Subfield: International Relations .
- Corruption Cases Databases: An asset recovery watch database and settlements database from the staff of the International Bank for Reconstruction and Development/The World Bank and UNODC. Subfield: Comparative Politics .
- Corruption Perceptions Index: Transparency International scores countries on how corrupt their public sectors are seen to be. Subfield: Comparative Politics .
- Cosponsorship Network Data: This page contains links to data on Cosponsorships in the U.S. Senate and U.S. House of Representatives for the 93rd to 108th Congresses. Subfield: American Politics .
- Counter Trafficking Data Collaborative: The first global data hub on human trafficking, with data contributed by counter-trafficking organizations around the world. Subfield: International Relations .
- Create Cross-Tabulations with US Circuit Court Data: This resource allows you to analyze some of the variables coded in Phase Three of the U.S. Circuit Courts of Appeals Database (2003-2010). Subfield: Law Courts Justice .
- Cross-National Time-Series Data Archive: Extensive coverage of many variables over time, full access requires buying license. Subfield: Comparative Politics .
- CShapes: Provides historical maps of state boundaries and capitals in the post-World War II period. Subfield: International Relations .
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- Daily Kos Elections Datasets: Daily Kos Elections guide to all of their datasets. Subfield: Voting and Elections .
- Danish General Election Results: Results of Danish general elections 1953-2015 including number of votes and number of seats in parliament Subfield: European Politics .
- Danish National Election Study: Data from all 16 elections in the 1971-2011 period. Subfield: European Politics .
- Data Foundation: Seeks to define an open future for our data, for a better government and a better society, through research, education, and programming. Subfield: American Politics .
- Data on Governance: From Peace Research Institute Oslo. Subfield: Comparative Politics .
- Data.gov: Guide to data from more than 100 agencies that provide data and trend information on such topics as economic and population trends, crime, education, health care, energy use and more Subfield: American Politics .
- Database on Ideology, Money in Politics, and Elections: A general resource for the study of campaign finance and ideology in American politics by Adam Bonica. Subfield: American Politics .
- Datahub for Field Experiments in Economics and Public Policy: Data from randomized experiments in the social sciences, as well as statistical code underlying published research results, surveys and documentation. Subfield: Comparative Politics .
- Datasets on Democratic Deepening and Regression: DEDERE Project on the causes of democratic deepening and regression. Subfield: Comparative Politics .
- Datorium from GESIS: A data repository service for the social science and economic science research community from GESIS and the Leibniz-Institute for the Social Sciences. Subfield: Comparative Politics .
- Democracy Barometer: A new instrument to measure the quality of established democracies. Subfield: Comparative Politics .
- Design of Trade Agreements (DESTA) Database: Systematic data on the design of preferential trade agreements that have been signed since 1945. Subfield: International Relations .
- Development Economics Datasets: Managed by Masayuki Kudamatsu Subfield: Comparative Politics .
- Digest of Educational Statistics: A compilation of statistical information covering the broad field of American education from prekindergarten through graduate school. Subfield: American Politics .
- Digital Society Project: Aims to answer some of the most important questions about the internet and politics, the DSP dataset is the product of a global survey of hundreds of country and area experts. Subfield: Comparative Politics .
- Documenting the Now: Chronicles historically significant events on social media, see Tweet ID datasets. .
- Dutch Parliamentary Voting Dataset: Voting behaviour in the Dutch parliament. Subfield: European Politics .
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- Earl Babbie Research Center: Supports research that addresses global concerns including human rights, social justice, peaceful solutions to social conflicts and environmental sustainability. Subfield: American Politics .
- Economic Fata from European Bank for Reconstruction & Development: Macro-economic and structural data series, includes the Life in Transition Survey. Subfield: European Politics .
- Economic Freedom of the World: From the Fraser Institute. Subfield: Comparative Politics .
- Economics of National Security: Data Set Index: Thorough document from Professor Martin Feldstein, compiled by Brandon Kaplowitz. Subfield: International Relations .
- Educational Attainment Dataset: Focus on 1950-2010 Subfield: Comparative Politics .
- EEOC Litigation Project: Data on federal court litigation brought from fiscal years 1997 to 2006, inclusive, by the Equal Employment Opportunity Commission. Subfield: Law Courts Justice .
- Election Passport: Provides free access to a rich dataset of constituency election results in 110 countries and territories throughout the world. Subfield: Voting and Elections .
- Electoral Integrity Project: International election data, reports on electoral systems around the world. See their downloadable datasets page. Subfield: Voting and Elections .
- Electoral Law Indicators: The ELECLAW indicators measure the degree of inclusion of the electoral franchise for three categories of potential voters or candidates: resident citizens, non-resident citizens and non-citizen residents. Subfield: Voting and Elections .
- Electoral System Family Map App: Interactive Shiny app shows world map and frequencies of electoral system by decade. Subfield: Voting and Elections .
- Electoral Systems & the Personal Vote: Colorado State University - Pueblo Subfield: Comparative Politics .
- Electoral Volatility in the European Parliament Elections: Data on electoral volatility and its internal components in European Parliament elections in all EU countries since 1979, for both the class bloc and the demarcation bloc. Subfield: European Politics .
- Empirical Study of Religious Liberty Decisions: From Professors Gregory Sisk and Michael Heise Subfield: Law Courts Justice .
- Enterprise Surveys: Firm-level survey of a representative sample of an economy's private sector from the World Bank. Subfield: Public Opinion Surveys .
- Environmental Performance Index: Ranks 180 countries on 24 performance indicators across ten issue categories covering environmental health and ecosystem vitality Subfield: Comparative Politics .
- Equality of Opportunity Project: Research on economic mobility, see data and replication code Subfield: American Politics .
- Ethnic Power Relations Datasets: Data on ethnic groups’ access to state power, their settlement patterns, links to rebel organizations, transborder ethnic kin relations, and intraethnic cleavages. Subfield: International Relations .
- EU Open Data Portal: Provides access to an expanding range of data from the European Union (EU) institutions and other EU bodies. Subfield: European Politics .
- Eurobarometer Surveys: The Standard Eurobarometer was established in 1974. Each survey consists of approximately 1000 face-to-face interviews per country. Reports are published twice yearly. Subfield: Public Opinion Surveys .
- European Central Bank Statistical Data Warehouse: Economic indicators for Euro area. Subfield: European Politics .
- European Election Studies: About electoral participation and voting behavior in European Parliament elections. Subfield: European Politics .
- European Quality of Life Survey: Carried out every four years, this unique, pan-European survey examines both the objective circumstances of European citizens' lives and how they feel about those circumstances and their lives in general. Subfield: European Politics .
- European Representative Democracy Data Archive: Datasets on political institutions, political parties, cabinets and governments in Europe. Subfield: European Politics .
- European Social Survey: The European Social Survey (ESS) is an academically driven cross-national survey that has been conducted across Europe since 2001. Every two years, face-to-face interviews are conducted with newly selected, cross-sectional samples. Subfield: Public Opinion Surveys .
- European Values Study: A large-scale, cross-national, and longitudinal survey research program on basic human values. Subfield: Public Opinion Surveys .
- Eurostat: The statistical office of the European Union situated in Luxembourg. Its mission is to provide high quality statistics for Europe. Subfield: European Politics .
- EveryPolitician: A simple but ambitious project to collect and share data about every politician in every country in the world, in a consistent, open format that anyone can use. Subfield: Comparative Politics .
- Executive Order Data: From the National Archives Federal Register Subfield: American Politics .
- Explaining Terrorist and Insurgent Behavior: An ongoing research project about terrorist and insurgent behavior featuring several datasets. Subfield: International Relations .
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- Federal Election Commission's Campaign Finance Reports and Data: Some of these files are very large and challenging to work with, but the FEC makes a lot of data available Subfield: Voting and Elections .
- Federal Judicial Center Biographical Database: Extremely helpful resource for research on federal judges. Subfield: Law Courts Justice .
- Federal Reserve Economic Data: Extensive collection of times series economic data from U.S. and world. .
- Fondazione Rodolfo Debenedetti Foundation: Applied and policy-oriented research on labor markets, immigration and welfare systems in Europe Subfield: European Politics .
- Fragile States Index: A ranking of 178 countries across 12 indicators of the risks and vulnerabilities faced by individual nations, see data. Subfield: Comparative Politics .
- Free Public Datasets for Data Science Projects: This blog posts lists and describes some significant data collections. .
- Freedom House: Produces data on a number of core thematic issues related to democracy, political rights and civil liberties. Subfield: Comparative Politics .
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- General Social Survey: Longstanding survey about what Americans think and feel about various political issues Subfield: Public Opinion Surveys .
- German Institute on Radicalization and De-radicalization Studies: A research and network initiative focusing solely on the theory and practice of de-radicalization and counter-radicalization. Subfield: European Politics .
- German Socio-Economic Panel: A longitudinal survey of households in Germany from 1984 to 2016. Variables include household composition, employment, occupations, earnings, health and satisfaction indicators. Subfield: European Politics .
- GESIS: Data Archive for the Social Sciences: national and international comparative surveys from the fields of social and political science research Subfield: Public Opinion Surveys .
- Gig Economy Data Hub: Accessible, comprehensive analysis of available data sources to answer critical questions about gig and non-traditional work in the United States. Subfield: American Politics .
- Global Conflict Risk Index: An index of the statistical risk of violent conflict in the next 1-4 years, exclusively based on quantitative indicators from open sources. Subfield: International Relations .
- Global Elections Database: Information on the results of both national and subnational elections around the world. Subfield: Voting and Elections .
- Global Indicators Database: Compilation of Pew Research's public opinion surveys from around the world on a broad array of subjects ranging from people's lives to views about the current state of the world. Subfield: Public Opinion Surveys .
- Global Integrity: Measures of government integrity around the world, see data and downloads page. Subfield: Comparative Politics .
- Global Media Freedom Dataset: Data on the evolution and devolution of media freedom in individual countries. Subfield: Comparative Politics .
- Global Parliamentary Report: Data on the structure, members, budget, staff, committees and sitting days of the world's parliaments. Subfield: Comparative Politics .
- Global Restrictions on Religion: Measures level of government restrictions on religion and social hostilities involving religion around the world, 2007-2016. Subfield: Comparative Politics .
- Global State of Democracy Indices: Depict democratic trends at the country, regional and global levels across a broad range of different attributes of democracy in the period 1975-2015. Subfield: Comparative Politics .
- Global State Revenues & Expenditures: Developed at the GIGA German Institute of Global and Area Studies. Subfield: Comparative Politics .
- Global Terrorism Database: Open-source database including information on terrorist events around the world from 1970 through 2017, now includes more than 180,000 cases, from the National Consortium for the Study of Terrorism and Responses to Terrorism Subfield: International Relations .
- Google Ngram: Track the prevalence of terms over time in books (can go back to 1800s) .
- Governance Indicators: From the Hertie School of Governance's Governance Report. Subfield: Comparative Politics .
- GovTrack.us: The site helps ordinary citizens find and track bills in the U.S. Congress and understand their representatives' legislative record. Subfield: American Politics .
- Greifswald Comparative Politics: See projects and datasets Subfield: Comparative Politics .
- Groningen Growth & Dev. Center: Platform for research on economic growth and development, comprehensive databases on indicators of growth and development that the Center compiles and maintains on a regular basis. Subfield: Comparative Politics .
- GROWup - Geographical Research On War, Unified Platform: offers a visualization of settlement patterns of politically active ethnic groups around the world from 1946-2013 Subfield: International Relations .
- Guide to Data on Developing Countries: Compiled by Bureau for Research and Economic Analysis of Development. Subfield: Comparative Politics .
- Guttmacher Institute: A leading research and policy organization committed to advancing sexual and reproductive health and rights, great source of data on policies in the United States. Subfield: American Politics .
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- Harvard Election Data Archive: This archive contains data on election results, voting behavior, and electoral politics, with particular focus on the United States. Subfield: Voting and Elections .
- High Courts Judicial Database: The High Courts Judicial Database (HCJD) provides coded information on the content of universes or random samples of the decisions produced by eleven of the top courts of the world. Subfield: Law Courts Justice .
- Historical Index of Ethnic Fractionalization Dataset: An ethnic fractionalization index for 165 countries across all continents. The dataset covers annually the period 1945-2013. Subfield: Comparative Politics .
- Historical Reported Voting Rates: Multiple key indicatiors of voter participation at state level since 1960s and 1970s. Subfield: Voting and Elections .
- Human Rights Data Analysis Group: A non-profit, non-partisan organization that applies rigorous science to the analysis of human rights violations around the world. Subfield: Comparative Politics .
- Human Rights Measurement Initiative: Tracks the human rights performance of countries. Subfield: Comparative Politics .
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- ICPSR Web Site: ICPSR maintains a data archive of more than 500,000 files of research in the social sciences, great place to start. Browse by topic. .
- Ill-Treatment & Torture (ITT) Data Collection Project: Measures allegations of states' violations of the Convention Against Torture published by Amnesty International (AI) during the years 1995 to 2005. Subfield: International Relations .
- Illinois Data Bank: A public access repository for publishing research data from the University of Illinois at Urbana-Champaign .
- IMF Data Archive: A range of time series data on IMF lending, exchange rates and other economic and financial indicators. Subfield: Comparative Politics .
- Immigration Policies in Comparison: A set of sophisticated quantitative indices to measure immigration policies in all OECD countries and for the time period 1980-2010 Subfield: Migration Citizenship .
- Index of African Governance: From the Mo Ibrahim Foundation. Subfield: African Politics .
- India's Open Government Data Platform: Used by Government of India, its ministries and departments to publish datasets, documents, services, tools and applications for public use. Subfield: Asian Politics .
- Indian States Data: State-level data from India compiled by the Economic Organisation and Public Policy Programme at the LSE. Subfield: Asian Politics .
- Institute for Democracy and Electoral Assistance Datasets: Measured related to sustainable democracy worldwide Subfield: Comparative Politics .
- Institute for Health Metrics: An independent population health research center at UW Medicine, part of the University of Washington Subfield: Public Policy .
- Institute for Social & Econ. Research: Work includes British Household Panel Survey. Subfield: Comparative Politics .
- Institute of Citizenship Studies (InCite): Research and other initiatives related to the theme of citizenship in its legal, political, and social dimensions Subfield: Comparative Politics .
- Institutional Quality Dataset: From Aljaz Kuncic, covers 1990 - 2010 Subfield: Comparative Politics .
- Institutions and Elections Project: contains information on de jure institutional provisions, electoral procedures, and electoral events for 170 countries in the period 1960-2012 Subfield: Comparative Politics .
- Int'l Labor Organization Stats: The world's leading source of labor statistics. Subfield: Comparative Politics .
- Int'l Political Economy Data Resource: Seeks to provide a public good to the field by standardizing and merging together variables from 89 IPE data sources into a single dataset. Subfield: Comparative Politics .
- Integrated Crisis Early Warning System: A comprehensive, integrated, automated, generalizable, and validated system to monitor, assess, and forecast national, sub-national, and internal crises from Lockheed-Martin. Subfield: International Relations .
- Inter-Parliamentary Union: See their open data platform Subfield: Comparative Politics .
- International Courts Data: A portal for students and scholars interested in the empirical study of international courts. Subfield: Law Courts Justice .
- International Social Survey Programme: A cross-national collaboration program conducting annual surveys on diverse topics relevant to social sciences. Subfield: Comparative Politics .
| - International Social Survey Programme: A continuous program of cross-national collaboration running annual surveys on topics important for the social sciences Subfield: Public Opinion Surveys .
- IPUMS: Census and survey data from around the world integrated across time and space. Subfield: Comparative Politics .
- IQSS Dataverse Network: This Harvard project is a vast repository for social data, seach network and see new releases, also features authoring tools to publish data .
- Israel National Election Studies: Aims to investigate voting patterns, public opinion, and political participation in Israel. Subfield: Comparative Politics .
- Issue Correlates of War (ICOW): A research project that is collecting systematic data on contentious issues in world politics. Subfield: International Relations .
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- Japanese General Social Surveys: Conducts repeated social surveys to study the attitudes and behavior of Japanese people comprehensively. Subfield: Public Opinion Surveys .
- Judicial Research Initiative: From the University of South Carolina, easy to navigate site contains key datasets for judicial behavior research Subfield: Law Courts Justice .
- Judicial Workload, Jury Verdicts & Crime Data: Links compiled by Harvard Law School Library. Subfield: Law Courts Justice .
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- Kaggle Datasets Collection: Very large collection of datasets on varied topics, used for data science and machine learning. .
- KOF Index of Globalization: Measures the three main dimensions of globalization: economic, social, and political. Subfield: Comparative Politics .
- KOF Swiss Economic Institute: Extensive economic research, including Globalization Index. Subfield: Comparative Politics .
- Konstanz One-Sided Event Dataset: Detailed information on the magnitude and location of events of one-sided violence in 20 civil wars Subfield: International Relations .
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- Latin American Public Opinion Project: Carries out surveys of public opinion in Latin America, include Americas Barometer survey. Subfield: Latin American Politics .
- Latinobarometro: Annual public opinion survey that involves some 20,000 interviews in 18 Latin American countries. Try online data analysis. Subfield: Public Opinion Surveys .
- Legislative Effectiveness Project: precise research methodology to calculate a Legislative Effectiveness Score for each member of the House of Representatives Subfield: American Politics .
- legislatoR: Political, sociodemographic, and Wikipedia-related data on elected politicians across the globe for R environment. Subfield: Comparative Politics .
- LIS Cross-National Data Center: A data archive and research center dedicated to cross-national analysis, home to two databases: Luxembourg Income Study and Luxembourg Wealth Study. Subfield: Comparative Politics .
- Longitudinal Internet Studies for the Social Sciences: The LISS panel (Netherlands) has been in full operation since October 2007, and all data are made available through the LISS data archive. Subfield: Comparative Politics .
- Longitudinal Study of American Life: A national study on the thinking and life experiences of Generation X. Subfield: Public Opinion Surveys .
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- MacroDataGuide: International social science resource, it informs not only on which data are out there and where they can be found, it also provides a qualitative assessement of these resources .
- Macrohistory Lann Bonn: An active research hub in international macroeconomic and financial history, features Jorda-Schularick-Taylor Macrohistory Database. Subfield: Comparative Politics .
- Maddison Project Database: Estimates of economic growth in the world economic between AD 1 and 2010 Subfield: Comparative Politics .
- Manifesto Project Database: Provides the scientific community with parties' policy positions derived from a content analysis of parties' electoral manifestos. Subfield: Comparative Politics .
- Martin-Quinn Scores: Contains the so-called "Martin-Quinn" measures of judicial ideology. Subfield: Law Courts Justice .
- Mass Mobilization in Autocracies Database: Sub-national data on mass mobilization events in autocracies worldwide. Subfield: International Relations .
- Mass Mobilization Project: An effort to understand citizen movements against governments. The MM data cover 162 countries between 1990 and 2018. Subfield: International Relations .
- Members of the European Parliament Survey Data: The data allow for comparison of MEPs' views with those of the EU public, European Parliament candidates, and members of national and regional parliaments in Europe. Subfield: European Politics .
- Mendeley Data: An open, free-to-use, searchable research data repository, which enables researchers to make their research data publicly available. .
- Mexican Political Pamphlets, 1808-1832: An archival source for the study of the political, social and cultural aspects of the independence movement in Mexico, from the Univ. of Toronto. Subfield: Latin American Politics .
- Mexico's Nat'l Inst. of Stats & Geography: Government data in a wide range of categories. Subfield: Latin American Politics .
- Migration Data Portal: A unique access point to timely, comprehensive migration statistics and reliable information about migration data globally. Subfield: Migration Citizenship .
- Military Expenditure Database: Contains consistent time series on the military spending of countries, updated annually. Subfield: International Relations .
- Minorities at Risk Project: Maintains data on 284 politically active ethnic groups. The centerpiece of the project is a dataset that tracks groups on political, economic, and cultural dimensions. Subfield: International Relations .
- MIT Election Lab: Supports advances in election science by collecting, analyzing, and sharing core data and findings. Subfield: Voting and Elections .
- Most Important Problem Dataset: Updated through June 2015, from Laron K. Williams Subfield: Public Opinion Surveys .
- Multiculturalism Policy Index: Information about multiculturalism policies in a standardized format that aids comparative research and contributes to the understanding of state-minority relations Subfield: Comparative Politics .
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- Nat'l Bureau of Econ. Research Datasets: Includes macro-level economic data, industrial data, finance, individual-level surveys, health care, and vital statistics. .
- Nat'l Conf. of State Legislatures: NCSL research and special features contain a wealth of informatiom about state legislatures Subfield: American Politics .
- Nat'l Elections Across Democracy & Autocracy Dataset: Detailed information on all election events from 1945-2012. Subfield: Voting and Elections .
- Nat'l Institute of Statistics of Rwanda: Collects and archives key national data. Subfield: African Politics .
- Nat'l Study of Learning, Voting, and Engagement: Data on student registration and voting rates, and an examination of campus climate for political learning and engagement. Subfield: Voting and Elections .
- NatCen Social Research: Britain's largest independent social research agency, features British Social Attitudes Data. Subfield: Comparative Politics .
- NatCen Social Research: Britain’s largest independent social research agency. Subfield: European Politics .
- National Archive of Criminal Justice Data (NACJD): Archives and disseminates data on crime and justice for secondary analysis. The archive contains data from over 2,700 curated studies or statistical data series. Subfield: Law Courts Justice .
- National Center for Education Statistics: The primary federal entity for collecting and analyzing data related to education Subfield: American Politics .
- NC Center for Public Policy Research: Publishes among other things, legislator and lobbyist effectiveness rankings. Subfield: American Politics .
- New Nation Votes, A: Searchable collection of election returns from the earliest years of American democracy. Subfield: American Politics .
- NewGene: A data management tool for creating data sets for use in the quantitative analysis of political science, primarily international relations. Subfield: International Relations .
- Nigeria Data Portal: Extensive macro data about Nigeria Subfield: African Politics .
- Nonviolent and Violent Campaigns and Outcomes (NAVCO) Data Project: A multi-level data collection effort that catalogues major nonviolent and violent resistance campaigns around the globe from 1900-2013. Subfield: International Relations .
- Northern Ireland Life and Times Survey: The attitudes, values and beliefs of the people in Northern Ireland to a wide range of social policy issues. Subfield: European Politics .
- Norwegian Centre for Research Data: One of the largest archives for research data of its kind, includes the European Election Database. Subfield: European Politics .
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- Odum Institute for Research in Social Science: Dedicated to supporting the research endeavors of the UNC community and beyond, see data archive. .
- Open Budget Survey: A comprehensive analysis and survey that evaluates whether governments give the public access to budget information and opportunities to participate in the budget process at the national level. Subfield: Comparative Politics .
- Open Event Data Alliance: A consortium committed to facilitating the development, adoption and analysis of social and political event data. Subfield: International Relations .
- Open ICSPR: Accessible repository of behavioral health and social science research data. .
- Open Roboethics Institute: exploring roboethics questions in the domain of self-driving vehicles, care robots, and lethal autonomous weapons systems, see its unique archive of public opinion polls. Subfield: Public Opinion Surveys .
- Open States by the Sunlight Foundation: A collection of tools that make it possible for citizens to track what is happening in their state's capitol by aggregating information from all 50 states, Washington, D.C., and Puerto Rico. Subfield: American Politics .
- Our World in Data: Research and data to make progress against the world’s largest problems. Subfield: Comparative Politics .
- Oxford COVID-19 Gov't Response Tracker: Aims to track and compare government responses to the coronavirus outbreak worldwide rigorously and consistently. Subfield: Comparative Politics .
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- ParlGov: Parliaments & Gov'ts Database: A data infrastructure for political science and contains information for all EU and most OECD democracies. Subfield: Comparative Politics .
- Party Facts: Links to datasets on political parties, an online platform about parties and their history. Subfield: Comparative Politics .
- Party Systems and Governments Observatory: Data on government formation and party system institutionalization in all 48 European democracies, from the Second French Republic, through wars and crises, all the way up to the present moment. Subfield: European Politics .
- Peace Accords Matrix Implementation: Tracks the implementation of 51 different types of provisions. Subfield: International Relations .
- Penn World Table: database with information on relative levels of income, output, input and productivity, covering 182 countries between 1950 and 2014 Subfield: Comparative Politics .
- Pennsylvania Policy Database: A free, online resource that provides access to more than 200,000 state and news media records, enables users to trace and analyze the history of public policy in the Commonwealth since 1979. Subfield: American Politics .
- Pew Global Attitudes Surveys: Organized by survey, each dataset is identified by the name of the survey. Subfield: Comparative Politics .
- Pew Research Center Datasets: Track key national, political, economic and demographic trends over time. Subfield: Public Opinion Surveys .
- Political Advertising on Google: To help everyone understand the ads they see online, this report from Google includes information about verified advertisers’ spending on ads related to elections. Subfield: Voting and Elections .
- Political Constraint Index (POLCON): Dataset by Witold Henisz at Wharton Subfield: Comparative Politics .
- Political Data Yearbook: Captures election results, national referenda, changes in government, and institutional reforms for a range of countries, within and beyond the EU. Subfield: Comparative Politics .
- Political Institutions and Public Choice Program Data: Focused on the House of Representatives Subfield: American Politics .
- Political Terror Scale: Measures levels of political violence and terror that a country experiences in a particular year based on a 5-level "terror scale" originally developed by Freedom House, see data page. Subfield: Comparative Politics .
- Political TV Ad Archive: Provides a searchable, viewable, and shareable online archive of 2016 political TV ads. Subfield: Voting and Elections .
- Politics Resources Guide: Find Data: Compiled by Princeton University's Politics Librarian .
- Polity Project: Political Regime Characteristics and Transitions: From The Center for Systematic Peace. Subfield: Comparative Politics .
- PollBase: British opinion polls database from 1943-today, from Mark Pack. Subfield: Public Opinion Surveys .
- Polling the Nations: A large online database of public opinion polls. Subfield: Public Opinion Surveys .
- Portal of Public Use Datasets on Sub-Saharan Africa: From the National Bureau of Economic Research. Subfield: African Politics .
- President in Congress, The: Explores the impact of the president on legislators' voting and position taking, on their communications with constituents, on their legislative strategies, and ultimately, on the substance of legislation. Subfield: American Politics .
- Presidential Research Group Data Sites: Includes the Database of Historical Congressional Statistics Subfield: American Politics .
- Princeton Gerrymandering Project: Research on the effects of gerrymandering in the U.S. Subfield: American Politics .
- Project on Democratic Accountability & Citizen-Politician Linkages: Data collection in more than 80 electoral democracies. The expert surveys for data collection were done in 2008 and 2009. Subfield: Comparative Politics .
- Public Religion Research Institute: A nonprofit, nonpartisan organization dedicated to conducting independent research at the intersection of religion, culture, and public policy. Subfield: Public Opinion Surveys .
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- Qualitative Data Repository: QDR selects, ingests, curates, archives, manages, durably preserves, and provides access to digital data used in qualitative and multi-method social inquiry. .
- Quality of Government Institute: Research on the causes, consequences and nature of good government, see data download page. Subfield: Comparative Politics .
- Quandl: Collection of links to biggest data-producers, esp. economic and demographic data from governments .
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- Real Time Event Data / Phoenix: Event data on political and social events around the globe, along with the software and methodology needed to analyze the data. Subfield: International Relations .
- Reddit Datasets: Super diverse collection of datasets, unusual, interesting subjects, some related to politics .
- Religion and State Project Constitutions Dataset: Constitutional clauses that address religion for 177 countries on a yearly basis between 1990 and 2008. Subfield: Law Courts Justice .
- Religion Data Archives: A collection of surveys, polls, and other data submitted by researchers and made available online by the ARDA. Subfield: American Politics .
- Religious Data: Association of Religion Data Archives: More than public opinion surveys, but public opinion surveys are biggest category of religious data Subfield: Public Opinion Surveys .
- Rising Powers Diplomatic Network: Monitors the distribution of the diplomatic apparatus of emerging powers across the globe. Subfield: International Relations .
- Roper Center: Public opinion surveys from U.S. and around the world. Subfield: Public Opinion Surveys .
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- School Finance Indicators Database: A collection of sophisticated school finance measures for assessing the adequacy and fairness of each state’s revenue, spending, and resource allocation, and for comparing these outcomes between states. Subfield: American Politics .
- Sexual Violence in Armed Conflict: Measures reports of the conflict-related sexual violence committed by armed actors (state forces, pro-government militias and rebel groups) during the years 1989-2009. Subfield: International Relations .
- Sie Cheou-Kang Center for International Security & Diplomacy: Dedicated to building knowledge on the evolving nature of security and diplomacy to better address pressing global issue, see data downloads page Subfield: International Relations .
- SIPRI Databases on Global Security: Features data on arms transfers, multilateral peace operations, military expenditures, arms industry, and other topics. Subfield: International Relations .
- Social Feed Manager: Open source software that harvests social media data and web resources from Twitter, Tumblr, Flickr, and Sina Weibo. It empowers researchers, faculty, students, and archivists to define and create collections of data. Subfield: Public Opinion Surveys .
- Social Policy Indicators (SPIN): Comparative data on social rights and duties of citizens Subfield: Comparative Politics .
- South African Data Archive: Serves as a broker between a range of data providers and the research community. Subfield: African Politics .
- Standardized World Income Inequality Database, The: Goal of project is to maximize the comparability of income inequality data while maintaining the widest possible coverage across countries and over time. Subfield: Comparative Politics .
- State Antiquity Index: This dataset gives a score from 0 to 50 for the presence of a supra-tribal polity within the present-day boundaries of each of 149 countries. Subfield: Comparative Politics .
- State Data and Policy Actions to Address Coronavirus: From the Kaiser Family Foundation. Subfield: American Politics .
- State Networks Dataset: A compilation of many state-to-state relational variables, including measures of shared borders, travel and trade between states, and demographic characteristics of state populations. Subfield: American Politics .
- State of First Amendment Surveys: Examines public attitudes toward freedom of speech, press, religion and the rights of assembly and petition. Subfield: Public Opinion Surveys .
- State Policy Index: State and Local Public Policies in the United States is an ongoing research project and data compendium. On this website you can download spreadsheets containing data on state policies. Subfield: American Politics .
- StateMaster.com: allows you to research and compare a multitude of different data on US states based on different variables Subfield: American Politics .
- Statistics South Africa: Data on people, economy, and living conditions. Subfield: African Politics .
- Supreme Court Citation Network Data: This page contains links to two sets of data on citations in the U.S. Supreme Court from the U.S. Reports. Subfield: Law Courts Justice .
- Supreme Court Database: the definitive source, contains over two hundred pieces of information about each case decided between 1946 and 2012. Subfield: Law Courts Justice .
- Survey Documentation and Analysis: Programs for the documentation and Web-based analysis of survey data, including ANES and GSS. Subfield: Public Opinion Surveys .
- Survey of Health, Aging and Retirement in Europe: Panel data on health, socio-economic status and social and family networks of more than 120,000 individuals aged 50 or older. Subfield: European Politics .
- Swedish National Data Service: Facilitates access to new and existing Swedish research data. Subfield: European Politics .
- Swedish National Election Studies: Aims to explain why people vote as they do and why an election ends in a particular way. See data page. Subfield: European Politics .
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- Taiwan Election & Democratization Study: A continual large-scale survey research project that integrates several election-oriented face-to-face surveys in Taiwan. Subfield: Asian Politics .
- TERRIER: Stands for temporally extended, regular, reproducible international event records, is a new machine coded event dataset ranging from 1979 to 2016. Subfield: International Relations .
- Terrorism in W. Europe: Events Data: Contains information on events related to internal (or domestic) terrorism in 18 West European countries for the 1950 through 2004 period Subfield: International Relations .
- Texas Politics Project, The: Publishes three to four statewide public opinion polls each year to assess the opinions of registered voters on upcoming elections, public policy, and attitudes towards politics, politicians, and government. Subfield: American Politics .
- Time-Sharing Experiments for the Social Sciences: Offers researchers the opportunity to capture the internal validity of experiments while also realizing the benefits of working with a large, diverse population of research participants. .
- TRAC Immigration Tool: Data on immigration court actions, deportations. Subfield: Law Courts Justice .
- Transitional Justice Research Collaborative: data on three primary transitional justice mechanisms - human rights prosecutions, truth commissions, and amnesties - for 109 democratic transitions in 86 countries around the world, from 1970-2012. Subfield: Law Courts Justice .
- Transparency International: A suite of measures of government corruption. Subfield: Comparative Politics .
- Trivedi Centre for Political Data: Promotes data-driven research, policy work and journalism on India’s political life by producing and disseminating in open access scientifically collected and treated political data. Subfield: Comparative Politics .
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- U.S. Elections Project: an information source for the United States electoral system. Subfield: Voting and Elections .
- U.S. Foreign Aid Explorer: A multi-dimensional picture of U.S. foreign assistance, see data page. Subfield: International Relations .
- U.S. House Election Results Archive: From the Office of the Clerk, official vote counts in congressional elections since 1920 Subfield: Voting and Elections .
- UC Data: UC Berkeley's principal archive of digitized social science data and statistics, part of the new UC Berkeley's Social Science Data Lab. .
- UCDP/PRIO Armed Conflict Dataset: A dataset of armed conflicts, both internal and external, in the period 1946 to the present. Subfield: International Relations .
- UK Data Service: Includes major UK government-sponsored surveys, cross-national surveys, longitudinal studies, UK census data, international aggregate, business data, and qualitative data. Subfield: European Politics .
- UK Household Longitudinal Study: Understanding Society is the largest longitudinal household panel study of its kind and provides vital evidence on life changes and stability. See data and documentation. Subfield: Public Opinion Surveys .
- UN Comtrade Database: Detailed global trade data. UN Comtrade is a repository of official international trade statistics and relevant analytical tables. Subfield: Comparative Politics .
- UN Univ. World Inst. for Dev. Econ. Research: Provides economic analysis and policy advice with the aim of promoting sustainable and equitable development for all, see datasets Subfield: Comparative Politics .
- United Nations Statistics Division: Compiles and disseminates global statistical information Subfield: Comparative Politics .
- United States Election Project: Information source for the United States electoral system; great data on voter turnout. Subfield: American Politics .
- Uppsala Conflict Data Program: The world's main provider of data on organized violence and the oldest ongoing data collection project for civil war, with a history of almost 40 years, see downloads page Subfield: International Relations .
- US Policy Agendas Project: Collects and organizes data from various archived sources to trace changes in the national policy agenda and public policy outcomes of the United States since the Second World War. Subfield: American Politics .
- US Presidential Elections Data: With some cool visualizations of the data. Subfield: American Politics .
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- V-Dem (Varieties of Democracy): Aims to produce better Indicators of Democracy. Subfield: Comparative Politics .
- Vetoes by U.S. Presidents, 1789-present: From the U.S. Senate library Subfield: American Politics .
- Vital Statistics on the U.S. Congress: Compiled by the Brookings Institution Subfield: American Politics .
- Voter Turnout Database: From the International Institute for Democracy and Electoral Assistance (IDEA) Subfield: Voting and Elections .
- Voteview (UCLA): 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. Subfield: American Politics .
- Voteview Legacy Website: Keith Poole's web site for data on U.S. Congress, well-organized, thoroughly documented, updated frequently. Subfield: American Politics .
- VoteWatch Europe: Provides a data-based overview of EU politics. Subfield: European Politics .
- Voting Technology Project Data: seeks to develop better voting technologies, to improve election administration, and to deepen scientific research in these areas Subfield: Voting and Elections .
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- Wage Indicator: Online, up-to-date labor market data. Subfield: Comparative Politics .
- Wesleyan Media Project: Tracks and analyzes all broadcast advertisements aired by or on behalf of federal and state election candidates in every media market in the country, data access. Subfield: Voting and Elections .
- Who Governs?: A database of who governs in Europe and beyond. Subfield: Comparative Politics .
- World Bank Open Data: Free and open access to global development data Subfield: Comparative Politics .
- World Bank's Data Catalog: The data catalog is a listing of available World Bank datasets, including databases, pre-formatted tables, reports, and other resources. Subfield: Comparative Politics .
- World Database of Happiness: Archive of research findings on subjective enjoyment of life Subfield: Comparative Politics .
- World Economics and Politics Dataverse: A queryable data resource for comparative and international political economy. Subfield: Comparative Politics .
- World Inequality Database: Aims to provide open and convenient access to the most extensive available database on the historical evolution of the world distribution of income and wealth Subfield: Comparative Politics .
- World Integrated Trade Solution: Allows users to access and retrieve information on trade and tariffs, from the World Bank. Subfield: International Relations .
- World Justice Project: WJP's original research and data is grounded in the World Justice Project Rule of Law Index Subfield: Law Courts Justice .
- World Press Freedom Index: From Reporters Without Borders Subfield: Comparative Politics .
- World Treaty Index (WTI): The WTI seeks to create a comprehensive database of all known bilateral and multilateral treaties formed throughout the 20th century. Subfield: International Relations .
- World Values Survey: The WVS consists of nationally representative surveys conducted in almost 100 countries which contain almost 90 percent of the world Subfield: Public Opinion Surveys .
- Worldwide Governance Indicators: From the World Bank. Subfield: Comparative Politics .
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- xSub / cross-sub.org: A repository of micro-level, subnational event data on armed conflict and contention around the world. Subfield: International Relations .
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- Zenobo - Open Access Data Repository: Not limited to political science data, try keywork searching or communities to find relevant datasets .
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