It depends on which Aboriginal language you're talking about.
Here is a list of all 274 languages spoken in Australia (including
about 100 whose current status is unknown):
1. Adnyamathanha
2. Aghu Tharnggalu
3. Alawa
4. Alngith
5. Alyawarr
6. Amarag
7. Ami
8. Andegerebinha
9. Angloromani
10. Anindilyakwa
11. Anmatyerre
12. Antakarinya
13. Arabana
14. Areba
15. Arrarnta, Western
16. Arrernte, Eastern
17. Atampaya
18. Australian Aborigines Sign Language
19. Australian Sign Language
20. Awabakal
21. Ayabadhu
22. Badimaya
23. Bandjalang
24. Bandjigali
25. Banggarla
26. Bardi
27. Barrow Point
28. Bayali
29. Bayungu
30. Bidyara
31. Biri
32. Broome Pearling Lugger Pidgin
33. Bunaba
34. Burarra
35. Burduna
36. Dagoman
37. Darling
38. Dayi
39. Dhalandji
40. Dhangu
41. Dhargari
42. Dhurga
43. Dhuwal
44. Dieri
45. Dirari
46. Djambarrpuyngu
47. Djamindjung
48. Djangun
49. Djauan
50. Djawi
51. Djeebbana
52. Djinang
53. Djinba
54. Djingili
55. Djiwarli
56. Dyaabugay
57. Dyaberdyaber
58. Dyangadi
59. Dyirbal
60. Dyugun
61. English
62. Erre
63. Flinders Island
64. Gadjerawang
65. Gagadu
66. Gambera
67. Gamilaraay
68. Ganggalida
69. Gangulu
70. Garawa
71. Garig-Ilgar
72. Giyug
73. Gooniyandi
74. Gudanji
75. Gugadj
76. Gugu Badhun
77. Gugu Warra
78. Gugubera
79. Guguyimidjir
80. Gumatj
81. Gungabula
82. Gunwinggu
83. Gunya
84. Gupapuyngu
85. Guragone
86. Gurdjar
87. Gureng Gureng
88. Gurinji
89. Guwamu
90. Guyani
91. Iwaidja
92. Jaru
93. Kala Lagaw Ya
94. Kalarko
95. Kalkutung
96. Kamu
97. Kanju
98. Karadjeri
99. Kariyarra
100. Kayardild
101. Kaytetye
102. Kitja
103. Kokata
104. Kriol
105. Kukatja
106. Kuku-Mangk
107. Kuku-Mu'inh
108. Kuku-Muminh
109. Kuku-Ugbanh
110. Kuku-Uwanh
111. Kuku-Yalanji
112. Kumbainggar
113. Kunbarlang
114. Kungarakany
115. Kunggara
116. Kunggari
117. Kunjen
118. Kurrama
119. Kuthant
120. Kuuku-Ya'u
121. Kwini
122. Lamu-Lamu
123. Laragia
124. Lardil
125. Leningitij
126. Limilngan
127. Madngele
128. Malay, Cocos Islands
129. Malgana
130. Manangkari
131. Manda
132. Mandandanyi
133. Mangala
134. Mangarayi
135. Mangerr
136. Mara
137. Maranunggu
138. Margany
139. Margu
140. Maridan
141. Maridjabin
142. Marimanindji
143. Maringarr
144. Marithiel
145. Mariyedi
146. Marriammu
147. Marti Ke
148. Martu Wangka
149. Martuyhunira
150. Maung
151. Mayaguduna
152. Maykulan
153. Mbabaram
154. Mbara
155. Mbariman-Gudhinma
156. Meriam
157. Miriwung
158. Miwa
159. Mudbura
160. Mullukmulluk
161. Muluridyi
162. Murrinh-Patha
163. Muruwari
164. Nakara
165. Nangikurrunggurr
166. Narrinyeri
167. Ngaanyatjarra
168. Ngadjunmaya
169. Ngalakan
170. Ngalkbun
171. Ngamini
172. Ngandi
173. Nganyaywana
174. Ngarinman
175. Ngarinyin
176. Ngarla
177. Ngarluma
178. Ngawun
179. Ngura
180. Ngurmbur
181. Nhanda
182. Nhuwala
183. Nijadali
184. Nimanbur
185. Nugunu
186. Nungali
187. Nunggubuyu
188. Nyamal
189. Nyangga
190. Nyangumarta
191. Nyawaygi
192. Nyigina
193. Nyulnyul
194. Nyunga
195. Pakanha
196. Panytyima
197. Pini
198. Pinigura
199. Pintiini
200. Pintupi-Luritja
201. Pirlatapa
202. Pitcairn-Norfolk
203. Pitjantjatjara
204. Pitta Pitta
205. Rembarunga
206. Ritarungo
207. Thayore
208. Thaypan
209. Thurawal
210. Tiwi
211. Tjurruru
212. Torres Strait Creole
213. Tyaraity
214. Umbindhamu
215. Umbugarla
216. Umbuygamu
217. Umpila
218. Uradhi
219. Urningangg
220. Wadjiginy
221. Wadjigu
222. Wagaya
223. Wageman
224. Wajarri
225. Wakawaka
226. Walmajarri
227. Wambaya
228. Wamin
229. Wandarang
230. Wangaaybuwan-Ngiyambaa
231. Wanggamala
232. Wangganguru
233. Wanman
234. Waray
235. Wardaman
236. Wariyangga
237. Warlmanpa
238. Warlpiri
239. Warluwara
240. Warrgamay
241. Warrwa
242. Warumungu
243. Warungu
244. Wikalkan
245. Wik-Epa
246. Wik-Iiyanh
247. Wik-Keyangan
248. Wik-Me'anha
249. Wik-Mungkan
250. Wik-Ngathana
251. Wikngenchera
252. Wilawila
253. Wiradhuri
254. Wirangu
255. Worimi
256. Worora
257. Wuliwuli
258. Wulna
259. Wunambal
260. Wurrugu
261. Yalarnnga
262. Yandruwandha
263. Yangman
264. Yankunytjatjara
265. Yan-nhangu
266. Yanyuwa
267. Yawarawarga
268. Yawuru
269. Yidiny
270. Yindjibarndi
271. Yindjilandji
272. Yinggarda
273. Yir Yoront
274. Yugambal