530 in Brazil (2000 SIL). Includes 520 speakers of Amapari, 10 of Oiapoque. Population total all countries: 1,180.
West central Amapá and northern Pará, tributaries of the upper Amapari river. 8 villages. Also in French Guiana.
Amapari Wayampi, Jari, Oiyapoque Wayampi. Monolinguals include children under 6, more than half the women, most men over 45, and all of those recently from Brazil.