Video: Why 2016 election polls missed their mark
The results of the 2016 presidential election came as a surprise to nearly everyone who had been following the national and state election polling
Estimated unauthorized immigrant population, by state, 2014
California has by far the largest number of unauthorized immigrants, about 2.3 million in 2014.
Unauthorized immigrant population trends for states, birth countries and regions
Explore U.S. unauthorized immigrant population trends for states of residence, as well as for international regions and largest countries of birth, based on Pew Research Center estimates.
Video: How Republican and Democratic voters have changed since 1992
The two parties look less alike today than at any point over the last quarter-century.
Video: Israel’s Religiously Divided Society
Video: The Scientific and Ethical Elements of Human Enhancement
Human enhancement may be just around the corner. How do Americans view these emerging technologies that may one day enhance our human capabilities?
Hispanic Population Growth and Dispersion Across U.S. Counties, 1980-2014
The map shows where Hispanics lived in the United States and provides detailed information on the 10 counties with the largest Hispanic populations.
Demographic and Economic Profiles of Hispanics by State and County, 2014
Economic, health and language facts about the Hispanic and non-Hispanic populations in the U.S.
Hispanic Population and Origin in Select U.S. Metropolitan Areas, 2014
Hispanic origin for the top 60 metropolitan areas, by Hispanic population.
Political Party Quiz
Answer these 11 questions that were part of a national survey conducted by the Pew Research Center to find out where you fit on the partisan political spectrum. And see how you compare with other Americans by age, race, religion and gender.