Pew Research Center is a nonpartisan fact tank that informs the public about the issues, attitudes and trends shaping the world. They conduct public opinion polling, demographic research, content analysis and other data-driven social science research. They do not take policy positions.
RealClearPolitics (RCP) aggregates various polls and is dedicated to providing readers with better, more insightful analysis of the most important news and policy issues of the day. In addition to giving polls on current government races, historical polls can be found under the 'Quick Poll/Map Links'.
Polls? or Surveys?
Is there a difference between a poll and a survey? How are polls and surveys taken? Who is included? What questions are asked?
Learn more about how surveys are developed and conducted by exploring the Pew Research Center's survey methodology topics. Behind every survey, several decisions are made about how to: select people to interview, conduct the survey, and ask the questions. All of these decisions impact the survey results.