The researchers, David Kindig and Erika Cheng of the University of Wisconsin, looked at federal death data and other information for nearly all 3, 141 U.S. counties over 10 years.
These include Luis Crouch of the Global Partnership for Education, Koji Miyamoto from the OECD, Kai-ming Cheng of the University of Hong Kong, David Istance of the OECD, Zhou Nanzhao of Beijing Normal University, and Daniel Wagner of the University of Pennsylvania.