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.
How Many Live on How Much?
Share of global population that lives on a given level of income or consumption.
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.
How Census Race Categories Have Changed Over Time
The race, ethnicity and origin categories used in the U.S. decennial census have shifted over time, often in a reflection of current politics, science and public attitudes. Our interactive tracks the category names from 1790 to 2010.
The Growing Population of Older People in the U.S., Germany and Italy
In 2015, the percentage of the population age 65 or older in Germany and Italy are already at a level the U.S. may reach in 2050.
Statistical Portrait of Hispanics in the United States, 1980 – 2013
There were 54 million Hispanics in the United States in 2013, comprising 17.1% of the total U.S. population. In 1980, with a population of 14.8 million, Hispanics made up just 6.5% of the total U.S. population.
Views of Legalizing Marijuana, 1969-2015
Public opinion on legalizing marijuana. Explore trends by gender, generation, and partisanship.
Party Identification Trends, 1992-2014
Pew Research Center has been tracking the party affiliation of the general public for over 20 years. Explore the party ID data for two dozen demographic subgroups, categorized by gender, race, education, generation, and religious affiliation.
Trends in Party Identification, 1939-2014
For more than 70 years, with few exceptions, more Americans have identified as Democrats than Republicans. But the share of independents, which surpassed the percentages of either Democrats or Republicans several years ago, continues to increase.
Religious Composition by Country, 2010-2050
The religious profile of the world is rapidly changing, driven primarily by differences in fertility rates and the size of youth populations among the world’s major religions, as well as by people switching faiths. This table details the estimated religious composition of 198 countries and territories for 2010 to 2050.