The classification of this language is uncertain. Douglas (1968:3) treats this as the eastern dialect of Njungar W41 while O'Grady, Voegelin and Voegelin (1966) list it as a first-order subgroup of Mirniny. Further, both Tindale and O'Grady et al. list Natingero A95 as an alternative name of Kalaamaya, but Natingero appears to refer to another language.
... between Merredin and Kalgoorlie (Douglas 1968:3). At Boorabbin and Southern Cross; east to Bullabull-ing, north to Youanmi, Lake Barlee, and Pigeon Rocks; west to Burracoppin, Mukinbudin, Kalannie, and Lake Moore; south to about Mount Holland in the Parker Range (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).