Languages:
| Isocode | Glottocode | Language | Classification | Count |
|---|---|---|---|---|
| set | nucl1632 | Sentani | E, S, Sentani Proper | 49 |
| sbi | seti1248 | Seti | T, West Wapei | 46 |
| snp | sian1257 | Siane (Kovena Dialect) | T, K, G, Siane | 44 |
| mkc | sili1247 | Siliput | T, M, Maimai Proper | 44 |
| szp | suab1238 | Suabo | T, S, Inanwatan | 40 |
| sbg | sege1235 | Seget | W, West Bird's Head | 40 |
| etz | semi1264 | Semimi | Mairasi | 40 |
| dmy | demt1241 | Sowari | E, S, Demta | 40 |
| siu | sina1269 | Sinagen | T, W, Wapei | 38 |
| sao | saus1247 | Sause | T, O, Sause | 23 |
| wul | sili1249 | Silimo (South Ngalik Dialect) | T, W, D, Ngalik | 19 |
| sob | sobe1238 | Sobei | A, M, C, E, O, W, N, S, Sarmi | 17 |
| tmj | sama1240 | Samarokena | T, G, K, West Coast | 12 |