With some chapters of data dating back nearly 100 years, Vital Statistics documents how Congress has changed over time, illustrating, for example, the increasing polarization of Congress and the diversifying demographics of those who are elected to serve.
Ebook covering George Washington's tenure through the 2012 election. Data is put into context by essays explaining key statistical patterns, making this a comprehensive reference to important patterns throughout the history of the presidency.
Voteview 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 including information about the ideological positions of voting Senators and Representatives.
Oldest continuous series of survey data investigating electoral behavior and attitudes in the United States (since 1948). ANES interviews are conducted before and after presidential elections and after national congressional elections. Post-election interviews include questions on actual voting behavior. Click on "Data Center" at the top of the page to download the datasets for the various waves. Click on "Utilities" to browse/search lists of questions and variables.
Compilation of the official, certified federal election results obtained every two years from each state’s election office and other official sources. The site provides the primary, runoff, and general election results for the U.S. Senate, the U.S. House of Representatives and, when applicable, U.S. President from 1982 to the present.
Established in 1999 at the University of California- Santa Barbara, this repository provides nearly 100,000 current and historical executive branch documents on American Presidents from 1789 to 2008. Site also includes election data and statistics from 1789 to current.
The Correlates of State Policy Project includes more than 2000 variables, with observations across the 50 U.S. states and across time (1900–2019, approximately). These variables represent policy outputs or political, social, or economic factors that may influence policy differences.