Political Science Data, Methods, and Replication Resources

Learn Political Analysis

WEEKLY THEME
Making Controlled Comparisons See lesson plan

Featured Research & Data Links

Special Features

Studying Donald Trump

Modern Mexican Politics

Online Survey Quality

Politics of Gun Violence

Special Edition: Russia-Ukraine Conflict

The Russia-Ukraine War

LEARN HOW: Watch Lecture Videos for Essentials of Political Analysis, Video Tutorials for R, Stata, SPSS, and Excel

Find Data

Legislative Effectiveness Project

thelawmakers.org

precise research methodology to calculate a Legislative Effectiveness Score for each member of the House of Representatives.

EU Open Data Portal

data.europa.eu

Provides access to an expanding range of data from the European Union (EU) institutions and other EU bodies..

Eurostat

ec.europa.eu

The statistical office of the European Union situated in Luxembourg. Its mission is to provide high quality statistics for Europe..

Data.gov

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.

World Treaty Index (WTI)

worldtreatyindex.moonfruit.com

The WTI seeks to create a comprehensive database of all known bilateral and multilateral treaties formed throughout the 20th century..

Teach Political Analysis

Use our Interactive Syllabus Builder to create a course outline with ease! Integrate the classic text, Essentials of Political Analysis, with Companions for SPSS, Stata, Excel & R.

MORE FOR TEACHERS: Sample Syllabi, Classroom Resources, Teaching Assistant App (for term review), and Online R Demos.

ORIGINAL PROJECT: Studying Presidents

Pres. William Taft's Positions on Roll Call Votes in Congress

This data is part of a larger project to identify the policy preferences of all U.S. Presidents. See index.