 All right, so what are America's most and least popular pizza toppings? You knew the number one. Pepperoni, 24%. Second at 13% is sausage. Least favorite things to have on pizza? We have several of those at down at 2%. They're all tied at 2%. Onions, salami, olives, fresh tomato, ham, fresh garlic, fresh basil, and jalapenos. All at the very bottom of the list. There you go.