Pew Research CenterJune 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.

Pew Research CenterMay 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.

Pew Research CenterMay 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.

Pew Research CenterApril 14, 2015

Views of Legalizing Marijuana, 1969-2015

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

Pew Research CenterApril 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.

Pew Research CenterApril 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.

Pew Research CenterApril 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.

Pew Research CenterMarch 19, 2015

Comparing Millennials to Other Generations

Our interactive graphic compares the generations today and in the years that each generation was young (ages 18 to 33) to demonstrate this sea change in the activities and experiences of young adults that has occurred over the past 50 years.

Pew Research CenterFebruary 26, 2015

Restrictions and Hostilities in the Most Populous Countries: 2013

Among the world’s 25 most populous countries, Burma (Myanmar), Egypt, Indonesia, Pakistan and Russia stand out as having the highest levels restrictions on religion (as of the end of 2013).

Pew Research CenterFebruary 5, 2015

How Investigative Journalists View Surveillance and Digital Security

U.S.-based members of Investigative Reporters & Editors were asked to share their thoughts and experiences on how electronic surveillance and hacking have influenced their work or journalism as a whole.