Racial categories, which have been on every U.S. census, have changed from decade to decade, reflecting the politics and science of the times.
As the 2020 census gets underway, most U.S. adults are aware of it and are ready to respond, but many do not know what it asks or how to participate.
While the growth of online interviewing is a prominent trend in polling, there is variation within that trend in how researchers recruit respondents. This study finds that sourcing affects data quality.
Monica Anderson, associate director of internet and technology research, speaks about our latest report on the world of online dating.
Explore the different race, ethnicity and origin categories used in the U.S. decennial census, from the first one in 1790 to the latest count in 2020.
Learn about why and how the U.S. census is conducted through five short lessons delivered to your inbox every other day.
Test your knowledge of the U.S. census with our 12-question quiz.
Our director of journalism studies explains how we determined what media outlets Americans turn to and trust for their political news.
Our graphics team creates hundreds of charts, maps and other data visualizations every year. Here are some of our favorite graphics of 2019.
Dennis Quinn, computational social scientist, explains how our analysis of sermons came together and the challenges that arise when religion meets big data.