Inuvialuktun refers to two distinct varieties: Siglitun and Uummarmiutun. The 2014 NWT Community Survey reported that there were over 600 people who spoke Inuvialuktun. Inuvialuktun use ranges across the Mackenzie River delta, Banks Island, parts of Victoria Island and the Arctic Ocean coast of the Northwest Territories.
Inuinnaqtun is also a variety of Inuvialuktun which has been granted official status in the NWT. There are many varieties of Inuinnaqtun spoken across western Nunavut, but only one variety is spoken in the NWT, Kangiryuarmiutun. The 2014 NWT Community Survey reported that there were about 195 people who spoke Inuinnaqtun.
Inuktitut has many different varieties spoken across Nunavut. The 2014 NWT Community Survey reported that there were about 200 people who spoke Inuktitut. There are Inuktitut speakers all across the NWT, which speaks to the mobility of Inuit.