The prevalence of prediabetes in the US is significant. Based on the 2009-2012 National Health and Nutrition Examination Survey (NHANES) and the 2010-2012 National Health Interview Survey (NHIS), 37% of all adults aged 20 years or older have prediabetes. This translates to 86 million American adults with prediabetes. Prevalence is similar between races and ethnicities: non-Hispanic whites comprise 35% of the American adult prediabetic population, non-Hispanic blacks comprise 39%, and Hispanics comprise 38%. Age prevalence rates are more disparate - , 51% of American adults with prediabetes are aged 65 years or older.