Pew Research CenterNovember 6, 2015

Who Is Multiracial? Depends on How You Ask

Racial identity is far from a straightforward concept, and when multiple strands of identity come together this has the potential to increase the complexity.

Pew Research CenterSeptember 28, 2015

Modern Immigration Wave Brings 59 Million to the U.S.

The nation’s foreign-born population has swelled from 10 million in 1965 to a record 45 million in 2015. By 2065, the U.S. will have a projected 78 million immigrants.

Fact TankSeptember 22, 2015

Who’s left out in a Web-only survey and how it affects results

We surveyed non-Web panel members by mail and assessed how much, if at all, their non-participation would affect the outcome in a poll conducted exclusively online.

Pew Research CenterSeptember 22, 2015

Coverage Error in Internet Surveys

With 89% of U.S. adults online, survey research is rapidly moving to the Web. But 89% is not 100%, and surveys that include only those who use the internet run the risk of producing biased results.

Fact TankSeptember 22, 2015

The many ways to measure economic inequality

Just what is “economic inequality”? Depends on whom you ask.

Fact TankSeptember 16, 2015

The art and science of the scatterplot

This type of chart is growing more popular, but just half of those with a high school education or less correctly interpreted one in our science quiz.

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Pew Research CenterSeptember 10, 2015

Science Knowledge Quiz

Who developed the polio vaccine? Does water boil at different temperatures based on altitude? Which is the hottest of Earth’s three layers? Take our science quiz and see how you compare with Americans overall.

Pew Research CenterSeptember 10, 2015

A Look at What the Public Knows and Does Not Know About Science

A new Pew Research Center survey finds that most Americans can answer basic questions about several scientific terms and concepts, such as the layers of the Earth and the elements needed to make nuclear energy.

Pew Research CenterSeptember 3, 2015

The Whys and Hows of Generations Research

At the center of the Pew Research Center’s mission is a commitment to measuring public attitudes on key issues and documenting differences in attitudes between demographic and political groups.

Pew Research CenterSeptember 3, 2015

Most Millennials Resist the ‘Millennial’ Label

Just 40% of U.S. adults ages 18 to 34 identify with the term “Millennial.” Generational identity is strongest for Boomers, with 79% of those 51 to 69 seeing themselves as part of the “Baby Boom generation.”