20,400 in Congo (2000). 740,000 all Teke languages in Congo (2012 World Factbook).
Plateaux department: Lefini river east to Congo river, north to Engankou and west to Allion.
Teke-Nzikou. Eboo is the language of the ancient Teke kings. Teke-Eboo [ebo], Teke-Nzikou [nzu], and Teke-Fuumu [ifm] are reportedly similar enough to easily share the same literature. Lexical similarity: 63% with Iyaa, 69% with Laali [lli], 75% with Tsaayi [tyi], 85% with Tyee [tyx], 86% with Kukuya [kkw], 89% with Ngungwel [ngz], 79% with Teke-Tege [teg].
Some young people, all adults. Also use Lingala [lin].
Latin script [Latn].
Teke-Nzikou [nzu] and Teke-Eboo use the same literacy materials. A hybrid of the dialects is emerging among young people. Traditional religion, Christian.