10 (Golla 2007). No monolinguals (1993). 29 (2000 INALI).
Baja California Norte, Arroyo León, Agua Escondida, La Parra southeast of Ensenada, south of the Paipai, Tipai, and Cocopa.
8b (Nearly extinct).
No language retention efforts reported (2007). Kiliwa population sample understood Paipai [ppi] at 87%, but Paipai sample understood no Kiliwa.