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Pew Research CenterSeptember 28, 2015

Selected U.S. Immigration Legislation and Executive Actions, 1790 – 2014

Explore how immigration in the U.S. was shaped by laws and acts in this interactive timeline of U.S. immigration legislation since the 1790s.

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Pew Research CenterSeptember 28, 2015

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.

Pew Research CenterSeptember 16, 2015

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).

Pew Research CenterSeptember 15, 2015

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.

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Pew Research CenterSeptember 10, 2015

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.

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Pew Research CenterAugust 19, 2015

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.

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Pew Research CenterAugust 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.

Pew Research CenterJuly 14, 2015

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.

Pew Research CenterJuly 8, 2015

How Many Live on How Much?

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

Pew Research CenterJuly 8, 2015

Global Income Calculator

Are you in the global middle class? Find out with our income calculator.