14 percent of the US adult population U.S. Department of Education 32,000,ooo. 32,000,ooo. Statistic Brain Research Institute Statistic Brain U.S. Department of Education according to U.S. Department of Education 19% of students graduating Statistic Brain 2014 survey stands at still a major problem research research Statistics Brain: Illiteracy Statistics U.S. Department of Education, National Institute of Literacy study source U.S. Department of Education 32 million adults Statistic Brain study Kaynak: ABD Eğitim Bakanlığı National Institute of Literacy 32,000,ooo. thirty-two million American adults StaticBrain Seventy percent estima StatisticBrain.com