534,000 in Equatorial Guinea (2011 S. Smith), increasing. Population total all countries: 1,264,900.
Widespread. Also in Cameroon, Congo, Gabon, São Tomé e Príncipe.
3 (Wider communication).
Ethnic groups are Okak, Ntumu, known as warriors of the jungle. Their knowledge of jungle plants, animals, survival is legendary. Christian, traditional religion.