EducationMaps 13.9% of US Population [Age 25+] is without a High School Diploma July 9, 2015 Alex This post may contain affiliate links. As an Amazon Associate, we earn from qualifying purchases. Related Posts:Fatal School Shooting Events Reported WorldwideTop Locations in the United States Where College…America's most segregating school district bordersThe Oldest School In Every Country MappedWorking Age Population in the U.S.The Age Structure of the United StatesBack to School 2017U.S. Population under 5 years of age percent change…