31667 Title missing 10000-99999 Number given is an estimate of the deaf population in Papua New Guinea. [Ed. note: there are likely multiple sign languages used in Papua New Guinea, and thus some of the deaf population may be speakers of other sign languages, but none have yet been formally identified aside from PNGSL.] Papau New Guinean Sign Language (PNGSL): ISO 639-3 code request On ~30,000 10000-99999