Provides electoral statistics for Presidential, US House, and Gubernatorial elections, 1824+; Senate elections, 1908+; Presidential primary elections, 1912+; Senatorial primary elections, 1920+; House primary elections, 1968+; and Gubernatorial primary elections, 1919+. Data can be downloaded.
Thousands of election returns tables can be browsed and searched by office, year, and state. And hyperlinks within those tables lead to district profiles, census data, more refined data from that election cycle, and other information to enhance understanding. All data tables are fully downloadable with the optional dataset function.
CQ Congress Collection is a dynamic research and reference tool allowing historical analysis of members of Congress, their legislative voting behavior, interest groups, and their interactions in crafting public policy.
Provides a variety of statistics on voting, turnout, party identification, etc.
Contains data with over 200 (downloadable and exportable) tables and charts covering the full spectrum of American Politics, including a variety of statistics on voting, turnout, party identification, etc.
Provides data and statistics on elections, public opinion, and political participation in US elections from 1948. Datasets may be downloaded from the site.
National level data for parliamentary elections for 186 countries, dating back as far as 1967. Maintained by the Inter-Parliamentary Union, which was established in 1889 as the international "focal point for world-wide parliamentary dialogue."
Contains fully-translated English-language versions of all the world's constitutions (both national and sub-national), accompanied by individual commentaries, supplementary materials, including foundation documents, historical constitutions, and amendment Acts/laws.