Error bars illustrate the margin of error for a survey estimate by showing how precise that estimate is. Here are some answers to common questions that might help you better understand charts with ...

In just about any discussion of a poll about the very close presidential race between Vice President Kamala Harris and former President Donald Trump, you’ll hear ...

In just about any discussion of a poll about the very close presidential race between Vice President Kamala Harris and former President Donald Trump, you’ll hear ...

In just about any discussion of a poll about the very close presidential race between Vice President Kamala Harris and former President Donald Trump, you'll hear the ...

Explore the geographic distribution and demographics of America's major religious groups.

Conducting a poll isn’t an exact science. The process is susceptible to lots of common problems and baked-in biases — more than just the “margin of error.” By ...

The margin of error allows you to use smaller sample sizes when conducting customer surveys. The measurement directly relates ...

Robert F. Kennedy Jr., who ran as an independent but recently suspended his bid in the battleground states and endorsed Trump, will still appear on the ballot in the Great Lakes State. Michigan’s ...

As Americans await the presidential election results, many are looking to the polls for clues. A poll’s margin of error describes how close a survey result can ...

Homeland Security Secretary Kristi Noem touted the results of the Trump administration’s immigration crackdown, saying more than 1 million immigrants in the U.S. illegally chose to leave the country.

Doug Schwartz is affiliated with the American Association of Public Opinion Research (AAPOR). As the director of the Quinnipiac University Poll, which has been taking the pulse of the public on policy ...