According to various sources, including Instacart, CandyStore.com, and Candy Corn, the most popular Halloween candy in America is Reeses Peanut Butter Cups, followed by M&Ms, Kit Kat, Skittles, and Snickers. Other popular candies include Tootsie Pops, Twizzlers, Hersheys Milk Chocolate, Sour Patch Kids, Candy Corn, Starburst, and Hershey Mini Bars. It is worth noting that the amount of sugar per serving in these candies varies, with Brachs Classic Candy Corn having the highest amount of sugar per serving at 23 grams, while Hersheys Milk Chocolate (snack-size) has 14 grams of sugar per serving.