350 (2006 FUNASA). 330 Suya (main dialect); 58 Tapayúna (1995 ISA). All Tapayuna speak their native language (Crevels 2007). Ethnic population: 350 (2006 FUNASA).
Mato Grosso, Xingú Park, headwaters of Rio Culuene. Tapayúnas in Pará, Terra Indígena Capoto or Jarina reservation, Kayapó villages (2002 ISA).
Beiço de Pau (Tapayúna), Yaruma (Jarumá, Waiku).
Vigorous. Few also use Portuguese [por].
Yaruma dialect became extinct around 2007. Ethnic autonym for Beiço de Pau: Tapayúna, who no longer live with Suyás; they moved out of Xingú Park to live in Kayapó villages in Terra Indígena Capoto or Jarina reservation in Pará state (2002 ISA).