There are about 4000 speakers in Pomio District of East New Britain Province, mostly on the southern side of New Britain island.
[2] Kol appears to be a language isolate, though it may be distantly related to the poorly attested Sulka language or form part of the proposed East Papuan languages.
[3] /b, r/ can be realized as [β, d] as intervocalic allophones.
Kol displays vowel length contrast.
The following basic vocabulary words are from SIL field notes (1962, 1981), as cited in the Trans-New Guinea database:[5]