Pew Research CenterSeptember 15, 2015

2013 Hispanic Origin Profiles

The nation’s Latino population is its largest minority group, numbering more than 53 million, or 17.1% of the U.S. population, in 2013.

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 CenterAugust 19, 2015

How do Americans use Twitter for news?

A look at how researchers analyzed news habits on Twitter using a small but representative sample of users drawn from a national survey of U.S. adults.

Pew Research CenterAugust 13, 2015

Gun Rights vs. Gun Control

The Pew Research Center has tracked shifting public opinion on gun rights and gun control over the past 20 years. Explore our polling data to discover how demographics influence public opinion on guns.

Pew Research CenterJuly 14, 2015

International Opinion About Greatest Global Threats

Across the nations surveyed, the level of concern about different international issues varies considerably by region and country, and in some places multiple issues vie for the top spot.

Pew Research CenterJuly 8, 2015

How Many Live on How Much?

Share of global population that lives on a given level of income or consumption.

Pew Research CenterJuly 8, 2015

Global Income Calculator

Are you in the global middle class? Find out with our income calculator.

Pew Research CenterJuly 8, 2015

World Population by Income

How Many Live on How Much, and Where

Pew Research CenterJuly 1, 2015

Major Gaps Between the Public, Scientists on Key Issues

Despite broadly similar views about the overall place of science in America, there are striking differences between the public and scientists’ views on a host of science-related issues, from whether genetically modified foods are safe to eat to whether the world’s growing population will be a major problem.

Pew Research CenterJune 23, 2015

Global Indicators Database

Updated in June with polling data from 2015 spring survey