Polls can't predict the future. But they are the best tool to reveal the public’s priorities and values, and why people vote the way they do.
A Resource for State Preelection Polling
If a battleground state poll does not adjust for having too many college graduates, it is at risk of overstating support for a Democratic presidential candidate. The Current Population Survey provides high-quality data that can mitigate overrepresentation of college graduates.
Key things to know about election polling in the United States
The real environment in which polls are conducted bears little resemblance to the idealized settings presented in textbooks.
Why public opinion polls don’t include the same number of Republicans and Democrats
While the notion that polls should include equal numbers of Republicans and Democrats makes some sense, it’s based on a misunderstanding of what polling is intended to do.
Why survey estimates of the number of Americans online don’t always agree
How many U.S. adults use the internet? There are a lot of sources with answers to this question. Yet these different sources can be tricky to reconcile.
A new perspective on Americans’ views of Israelis and Palestinians
In a new survey, the Center reassesses how it asks Americans about Israelis, Palestinians and their respective governments.
Q&A: Why and how we expanded our American Trends Panel to play a bigger role in our U.S. surveys
Nick Bertoni, manager of the American Trends Panel, explains how the panel works and what its recent expansion means for our future survey work.
Response rates in telephone surveys have resumed their decline
Response rates to telephone public opinion polls conducted by Pew Research Center have resumed their decline, to 7% in 2017 and 6% in 2018.
What our transition to online polling means for decades of phone survey trends
What does the migration to online polling mean for the country's trove of public opinion data gathered over the past four decades?
Phone vs. online surveys: Why do respondents’ answers sometimes differ by mode?
Pew Research Center conducts surveys over the phone and, increasingly, online. But these two formats don’t always produce identical results.
About Pew Research Center Pew Research Center is a nonpartisan fact tank that informs the public about the issues, attitudes and trends shaping the world. It conducts public opinion polling, demographic research, media content analysis and other empirical social science research. Pew Research Center does not take policy positions. It is a subsidiary of The Pew Charitable Trusts.