Public Opinion Polling Basics
By the end of our free, five-lesson course, you will know why we have polls, what the different kinds of polls are, how polling works and what you should look for in a poll.
By the end of our free, five-lesson course, you will know why we have polls, what the different kinds of polls are, how polling works and what you should look for in a poll.
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Publications
Overview: Bush and Public Opinion As George W. Bush prepares to leave the White House, the United States is in many ways dramatically different from when he took the oath of office in 2001. His first few months as president were largely unremarkable, despite the contentious 2000 election. But the horrific terror attacks of Sept. […]
Summary of Findings The proportion of Americans who rely solely on a cell phone for their telephone service continues to grow, as does the share who still have a landline phone but do most of their calling on their cell phone. With these changes, there is an increased concern that polls conducted only on landline […]
While survey research in the United States is a year-round undertaking, the public’s focus on polling is never more intense than during the run-up to a presidential election.
Pew Research Center conducted a study to compare the accuracy of six online surveys of U.S. adults – three from probability-based panels and three from opt-in sources. On average, the absolute error on opt-in samples was about twice that of probability-based panels.
Members of the American Trends Panel can now take our surveys online or over the phone with an interviewer.
A new study found that 61% of national pollsters used different methods in 2022 than in 2016. And last year, 17% of pollsters used multiple methods to sample or interview people – up from 2% in 2016.
© 2025 Pew Research Center