The Pew Research Center is a nonpartisan "fact tank" that provides reports and statistics on the issues, attitudes and social trends shaping America and the world.

Kaiser is a public interest health foundation

U. of Chicago NORC’s mission is to conduct high-quality social science research in the public interest.

Gallup assesses the state of the nation on all matters, from healthcare satisfaction to hiring and housing

An independent, nonpartisan resource on trends in American public opinion