Most of the Cocoa production takes place in Africa, West Africa to be precise. The two major producers of Cocoa beans are Ivory Coast and Ghana. According to the statistics issued by the international cocoa initiative, Ivory Coast is the largest cocoa producer of the world with 38 % of the entire world’s production. Second is Ghana that produces 21 % of the world’s cocoa. Your question was which country produces 1/3 of the world’s cocoa which is equivalent to 33 % so Ivory Coast is the country that produces a little more than 33% of the world’s cocoa.