Defining U.S. Megaregions

This paper explores recent and historical scholarly research on the identification of U.S. megaregions and the different methodology used to define them.

The author, now a staff member at Regional Plan Association (RPA), discusses in detail RPA’s methodology for defining 11 U.S. megaregions and its strengths and weaknesses.

For additional information on the America 2050 project, visit the archived America 2050 website.