House and Senate · 1920–1974
U.S. Congressional Election Results (1920–1974)
Cleaned and structured U.S. House and Senate election results, compiled from the official election statistics maintained by the Clerk of the U.S. House of Representatives.
Tools for empirical research
Resources
Compiled datasets and software, with links to the data, documentation, and original sources.
Data
93rd through 118th Congresses
U.S. Congressional Bill Information (1973–2024)
Information from Congress.gov on bills that reached floor consideration or later stages, including titles, sponsors, policy areas, committees, cosponsors, subject terms, and related legislation.
Software
R
multe-R
An R implementation of multiple-treatment-effects regression with saturated group controls, based on Goldsmith-Pinkham, Hull, and Kolesár (2022).
Stata
RDHonest (Stata)
Honest confidence intervals for sharp and fuzzy regression discontinuity designs using local linear regression, based on the work of Armstrong and Kolesár.
Software credits: Timothy Armstrong, Michal Kolesár, Yugen Chen, Sai Zhang, and Kwok-Hao Lee.