Explore the historical, economic, and geographical factors that have shaped the population distribution across the U.S. Maddow Blog | As Trump endorses his arrest, Newsom sees ‘unmistakable step ...

amounting to 15.8% of the total US population. Both numbers are record highs in American history. The record level of immigration has profound implications for taxpayers, schools, American workers ...

This article was originally published with the title “ Population Density and Social Pathology ” in Scientific American Magazine Vol. 206 No. 2 (February 1962), p. 139 doi:10.1038 ...