The American Presidency Project (APP), non-profit and non-partisan, is the leading source of presidential documents on the internet. Our archives contain 118,796 documents and are growing rapidly. Find data, graphs and other information about every presidential election in American history.
Comprehensive, up-to-date full text source for US nationwide public opinion. The iPoll database is organized at the question level, providing the tools to sift through a half million questions asked on national public opinion surveys, 1935 to date.
In election years, the Current Population Survey collects data on reported voting and registration, and later reports stats by turnout, age, race and origin. Reports, data, and graphics from the US Census.
Datasets from Pew Research surveys. Each is identified by the name of the survey, and below each dataset are links to the reports released from that data. In some cases, reports draw from multiple datasets.
Typically, survey data are released five months after the reports are issued
270towin.com is an interactive Electoral College map for 2016 and a history of Presidential elections in the United States. Since electoral votes are generally allocated on an "all or none" basis by state, the election of a U.S President is about winning the popular vote in enough states to achieve 270 electoral votes, a majority of the 538 that are available.
Source of scholarly research and current data about American women’s political participation. This site presents data and analysis of women's voting behavior, including statistics on turnout and the gender gap in voting.
Official vote counts from 1920 to the present for presidential and congressional elections compiled by the Office of the Clerk of the U.S. House of Representatives. This site also contains links to election resources found on the websites of the Census Bureau, National Archives, Federal Election Commission, and state election offices.
From the Pew Research Center, the Elections Performance Index, or EPI, is the first comprehensive assessment of election administration in all 50 states and the District of Columbia. Using data from 17 key indicators, the EPI makes it possible to compare election administration policy and performance across the states and from one election cycle to the next. The index presented here is based on the 2008, 2010, 2012, and 2014 elections.
CSPC's mission is to apply the lessons of history to address today’s political challenges; develop real-world strategic policy solutions by convening representatives from government, academia, and the private sector; and educate the next generation of leaders.