U.S. PoliticsAugust 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.

GlobalJuly 8, 2015

How Many Live on How Much?

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

ScienceJuly 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.

June 11, 2015

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.

May 20, 2015

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.

HispanicMay 12, 2015

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.

U.S. PoliticsApril 14, 2015

Views of Legalizing Marijuana, 1969-2015

Public opinion on legalizing marijuana. Explore trends by gender, generation, and partisanship.

U.S. PoliticsApril 7, 2015

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.

U.S. PoliticsApril 7, 2015

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.

ReligionApril 2, 2015

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.