6. About 93 percent of all Americans eat pizza at least once a month. And per year, the average American will eat 46 slices of pizza — or about 23 pounds.
Interesting to think about when you learn that adults between the ages of 25 and 44 packs on about 3.4 percent (men) and 5.3 percent more weight annually, according to a study published in a March 2000 edition of the New England Journal of Medicine.
