how many americans are overweight
1 Almost 13 million (16.9%) of U.S. children ages 2 to 19 are obese. 2  Nearly one in three (31.8%) U.S. children (23.9 million) ages 2 to 19 are overweight or obese.  More than one-third (about 35%) of U.S. adults are obese (more than 78 million adults).