The Dii of Cameroon, numbering approximately 159,000 people, are No Longer Unreached. They are an Adamawa Plateau people so close to the neighboring Mbum that outsiders often cannot tell them apart, who came under 19th-century Fulani Muslim rule and intermarried extensively while retaining traditional spiritual beliefs into the 20th century. They mostly adhere to Animism and Dii is their primary language.