Our director of journalism studies explains how we determined what media outlets Americans turn to and trust for their political news.
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Our graphics team creates hundreds of charts, maps and other data visualizations every year. Here are some of our favorite graphics of 2019.
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.
In this Q&A and video, learn about the methods and data sources the Center used to estimate the number of unauthorized immigrants in Europe.
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.
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.
International polling provides information about how people in different countries are thinking about issues like immigration, technology, religion, you name it. But polling in different parts of the world can be very challenging, because what works in one country may not work in a different country.
The Center conducts polls in many countries other than the U.S. – but the methodology behind our international surveys can vary.
Jeffrey S. Passel, senior demographer, on the research techniques used to derive the unauthorized immigrant population estimate in the U.S. and the challenges involved.
when designing an online survey questionnaire, there is more than one way to ask a respondent to select which options in a series applies to them.
