[3] Chittagonian is also considered to be a separate language by some linguists.

It is estimated (2006) that Chittagonian has 13 million speakers, principally in Bangladesh.

[3] Chittagonian is a member of the Bengali-Assamese sub-branch of the Eastern group of Indo-Aryan languages, a branch of the wider Indo-European language family.

Chatterji (1926) places Chittagonian in the eastern Vangiya group of Magadhi Prakrit and notes that all Bengali dialects were independent of each other and did not emanate from the literary Bengali called "sadhu bhasha".

Gboard for Android has added Chittagongian Keyboard.