Did you know that an estimated five billion pizzas are sold around the world every year? Part of what makes pizza so popular is, of course, the endless variety of toppings available, from classics like pepperoni and mozzarella to less traditional delights like pineapple – and even clams. Here, we look at the most iconic pizza toppings from around the globe, counting down to the greatest of all.

Click or scroll through our gallery to discover the tastiest pizza toppings of all time – counting down to the very best.

We've based our ranking on the enduring popularity of each pizza topping in its place of origin and beyond, and on the opinions of our well-traveled (and well-fed) team. The list is unavoidably subjective.

The greatest pizza toppings, ranked