How America’s Source of Immigrants Has Changed in the States, 1850 – 2013
Explore the top countries of origin for immigrants in each state from 1850 to 2013.
Development in Africa
Key findings from a survey in nine sub-Saharan African nations (Burkina Faso, Ethiopia, Ghana, Kenya, Nigeria, Senegal, South Africa, Tanzania, Uganda).
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.
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.
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.
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.
How Many Live on How Much?
Share of global population that lives on a given level of income or consumption.
Global Income Calculator
Are you in the global middle class? Find out with our income calculator.
World Population by Income
How Many Live on How Much, and Where
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.