Coast at mouths of Kendall River (Tindale 1974).
Speaker numbers were measured differently across the censuses and various other sources listed in AUSTLANG. You are encouraged to refer to the sources.
Speaker numbers for ‘NILS 2004’ and ‘2005 estimate’ come from 'Table F.3: Numbers of speakers of Australian Indigenous languages (various surveys)' in 'Appendix F NILS endangerment and absolute number results' in McConvell, Marmion and McNicol 2005, pages 198-230 (PDF, 2.5MB).
Sutton, Peter. 1978. Appendix 1: The Wik-Ngathana language. In Sutton Wik: Aboriginal society, territory and language at Cape Keenweer, Cape York Peninsula, University of Queensland: PhD.
Sutton, Peter. 1995. Wik-Ngathan dictionary Adelaide. Adelaide, SA: Caitlin Press.