Political Science Data: Find Data, Produce Results, Share Insights.

SPECIAL EDITION: N of 1? Studying the Political Phenomena of Donald Trump

Teach Political Analysis

Theory & Concepts:
The Essentials of Political Analysis, 6th Edition. Classic introductory text, clear writing, helps students learn, great ancillaries. More info.

Companions for SPSS, Stata, Excel & R. Practice with software of your choice.

MORE FOR TEACHERS: Sample Course Syllabi featuring our textbooks, varied software, with/without paper assignments

Review Terms for 5 Minutes - Pick chapters or just press play for quick study

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Links to More Resources for Teaching Political Analysis

More Questions than Answers

Racial Segregation in American Prisons: How Widespread?
Racial segregation seems to be standard practice in prison. Prisoners are assigned to cells or cell block based on their race. Separating prisoners by race is deemed necessary for safety, […]

MORE QUESTIONS: Habeas Corpus Requirements Need Clarity

Effects of Using AI in Political Campaigns

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Graphing Two Data Series on the Same Scatterplot
Plot two data sets on the same scatterplot for visual comparison (6:07).

MORE VIDEOS: Lecture Videos for The Essentials of Political Analysis

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Blogs, Podcasts & Journals

Politics & Gender: .Publishes research on gender and politics and on women and politics. It aims to represent the full range of questions, issues, and approaches on gender and women across the major subfields of political science.

Science of Politics, The: .Features up-and-coming researchers delivering fresh insights on the big trends driving American politics and policy today. In 30 minutes, you'll get beyond punditry to data-driven understanding.

British Journal of Political Science: .Contributions are drawn from all fields of political science, widely recognized as one of the premier journals.

Journal of Experimental Criminology: .focuses on high quality experimental and quasi-experimental research in the development of evidence based crime and justice policy

Politics, Groups, and Identities: .scholarship on social groups, exploring the politics of gender, race, ethnicity, religion, sexuality, class and other dimensions of identity and structural disadvantage

See All Political Science Podcasts

Data Sites

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

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.

Martin-Quinn Scores: .Contains the so-called "Martin-Quinn" measures of judicial ideology.

Multiculturalism Policy Index: .Information about multiculturalism policies in a standardized format that aids comparative research and contributes to the understanding of state-minority relations

@unitedstates Project, The: .A shared commons of data and tools for the United States.

See All Data Sites

Peer-Reviewed Articles with Replication Data Online

Conservatism in the Era of TrumpMichael Barber; Jeremy C. Pope (2019)

Public Approval, Policy Issues, and Partisanship in the American Presidency: Examining the 2020 Trump Impeachment and AcquittalCraig Burnett; Meena Bose (2022)

Is There a Trump Effect? An Experiment on Political Polarization and Audience CostsMiles Evers; Aleksandr Fisher; Steven Schaaf (2019)

Blue Endorsements Matter: How the Fraternal Order of Police Contributed to Donald Trump's VictoryMichael Zoorob (2019)

#NeverTrump: Why Republican Members of Congress Refused to Support Their Party's Nominee in the 2016 Presidential ElectionJordan Ragusa; Lauren R. Johnson; Deon McCray (2018)

Supporters and Opponents of Donald Trump Respond Differently to Racial Cues: An Experimental AnalysisMatthew Luttig; Christopher M. Federico; Howard G. Lavine (2017)

Does the @realDonaldTrump Really Matter to Financial Markets?Allyson L. Benton; Andrew Q. Philips (2020)

Does Party Trump Ideology? Disentangling Party and Ideology in AmericaMichael Barber; Jeremy Pope (2019)

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Also see Journal Data Archives | Author Replication Data
Past Special Editions: Politics of Gun Violence in the U.S. | Russia Invades Ukraine

Authors with Datasets

Blais, André .University of Montreal

Bueno de Mesquita, Bruce .NYU

Dancygier, Rafaela .

Hegre, Havard .Uppsala University, see data

Sechser, Todd .University of Virginia, find replication data on research page

Greenhill, Brian .Univ. at Albany, SUNY, see replication data on research page.

Magaloni, Beatriz .

Bhandari, Abhit .

La Porta, Rafael .Tuck Business School (Dartmouth), see datasets on research page.

Powell, Jonathan .Univ. of Central Florida, see coup d'etat dataset.

See All Authors with Datasets