From the very first census in 1790, the United States has measured race – but rarely in the same way or without controversy. Categories such as “free white males,” “free white females,” “all other ...

The National Academies of Sciences, Engineering, and Medicine will establish an ad hoc committee to conduct a study to review and assess existing methodologies, benefits, and challenges in the use of ...

If you've ever filled out a demographic form (like the US Census), you've probably been asked about your race and ethnicity. You might even wonder exactly what those terms mean and how they differ.

Pew Research Center conducted this research to understand changes in the unauthorized immigrant population in the United States. The Center has published estimates of the U.S. unauthorized immigrant ...

This cross-sectional analysis estimated that in 1990, 19.3% of the U.S. adult population were living with obesity; by 2022, this had ...