Methodological Research

The bureau is considering counting most Americans using Social Security data, IRS files and other administrative records.

Test your knowledge of public opinion polling by taking our 10-question quiz.

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.

National polls like the Center’s come within a few percentage points, on average, of benchmarks from high response rate federal surveys.

NPORS is an annual survey of U.S. adults conducted by the Pew Research Center.

While the largest Christian traditions and religious “nones” can be consistently analyzed, smaller groups produce a large margin of error.

This project represents our first comprehensive examination of Asian American identity using focus groups. Here’s how and why we did it.

The new survey covers topics such as whether the public thinks society is moving too quickly or not quickly enough on gender identity issues.

Most of our research on the U.S. news environment has been from the viewpoint of the public, but this time we surveyed journalists themselves.

The national total in the 2020 census was largely accurate, but the Census Bureau has estimated miscounts for some states and demographic groups.