530 in Brazil (2000 SIL). Includes 520 speakers of Amapari, 10 of Oiapoque. Total users in all countries: 1,180.
Amapá and Pará states: tributaries of upper Amapari river. 8 villages.
Oiyapoque Wayampi, Amapari Wayampi, Jari. Monolinguals include children under 6, more than half the women, most men over 45, and all of those recently from Brazil.
Latin script [Latn].