Numbers, Facts and Trends Shaping Your World

Icon for promotion number 1

Sign up for our weekly newsletter

Fresh data delivered Saturday mornings

Latest Publications

International Affairs

Race & Ethnicity


Our Methods

U.S. Surveys


International Surveys


Data Science


Demographic Research


Decoded

Our Experts

A headshot of Neil Ruiz, head of new research initiatives and associate director of race and ethnicity research.

Methods 101 Videos

feature

Methods 101: Random Sampling

The first video in Pew Research Center’s Methods 101 series helps explain random sampling – a concept that lies at the heart of all probability-based survey research – and why it’s important.

Icon for promotion number 1

Add Pew Research Center to your Alexa

Say “Alexa, enable the Pew Research Center flash briefing”