Recent migration out of Pennsylvania and between its counties could present an even closer 2024 matchup between President Biden and former President Trump in the critical battleground state than in ...

A slowdown in immigration and lower birth rates could crimp the U.S. economy by shrinking the nation's workforce, researchers ...

Learn the distinctions between simple and stratified random sampling. Understand how researchers use these methods to accurately represent data populations.

A new analysis of data from the U.S. Census Bureau shows New Hampshire has continued to rely on migration from other states ...