The Roper Center collects polling data from nearly every major organization that conducts polls in the United States today, including academic, media, foundation, nonprofit and private industry pollsters. The archive also includes data from polling organizations based in other countries. Our data providers understand the importance of research transparency, and making their studies available to future generations of researchers. The profiles below offer information about the collection from each data provider, including the number of polls, years represented, recent acquisitions, co-sponsors, and background on the organization itself.

For information about the Roper Center’s historical collection of polls from the Gallup Organization, click here.

For information about the Roper Center’s historical collection of polls from USA Today, click here.

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