500,000 (2007 SIL), increasing. L1 and L2 speakers combined. L2 users: 500,000 L1 and L2 speakers combined.
3 (Wider communication).LWC in Papua Province. Used in market, some business, and in situations where ethnic groups are mixed (market, sports, etc.) and in government offices. Became an LWC through trade.
Growing number of L1 speakers, who express a strong preference for their Malay variety over Indonesian [ind] or other regional varieties. All domains except religion, government or education. All ages. Positive attitudes. Most also use Indonesian [ind] or a vernacular language or both. Used as L2 by Beneraf [bnv], Berik [bkl], Betaf [bfe], Bonggo [bpg], Dabe [dbe], Dao [daz], Dineor [mrx], Emem [enr], Fedan [pdn], Jofotek-Bromnya [jbr], Kaptiau [kbi], Kayagar [kyt], Kimki [sbt], Kirikiri [kiy], Kowiai [kwh], Kwinsu [kuc], Liki [lio], Mawes [mgk], Mo [wkd], Morori [mok], Nakai [nkj], Namla [naa], Nimboran [nir], Orya [ury], Skou [skv], Sobei [sob], Sowari [dmy], Sunum [ymn], Tangko [tkx], Tarpia [tpf], Tebi [dmu], Tobati [tti], Towei [ttn], Usku [ulf], Viid [snu], Vitou [vto], Warembori [wsa], Yei [jei], Zorop [wfg].