Alternate Names: Matapi, Yucuna-Matapi, Yukuna
Dialects: None known. In some traditional ceremonies ritual language used, mostly unintelligible even to those who have learned it.
Genealogy:
Demographics: 1,800 (2001 SIL). 10 monolinguals. Ethnic population: 1,800.
Language Use: Vigorous. All domains. Oral and written use in religious services, and oral use in the traditional religion. Letter writing. Positive attitudes. 1,500 also use Spanish [spa]. Some who married Tanimuca speakers also speak Tanimuca [tnc]. Used as L2 by Tanimuca-Retuarã [tnc].
Language Development: Literacy rate in L1: 5%–10%. Literacy rate in L2: 15%–25%. 500 read Yucuna, 300 can write it. Dictionary. NT: 1982–2011.
Typology: SVO.
Writing System: Latin
Nation of Origin: Colombia
Other Comments: Local subversive activity caused some Yucuna to move to other areas. Traditional religion, Christian.