How many edible nuts are in the world?

There are about 20 primary types of edible nuts consumed worldwide, including well-known varieties like almonds, walnuts, cashews, and hazelnuts. Additionally, there are other seeds and legumes, such as peanuts and pine nuts, that are often categorized as nuts in culinary contexts. The exact number can vary based on regional classifications and local specialties, but the most commonly recognized edible nuts are relatively limited.