An endangered language is a language that it is at risk of falling out of use, generally because it has few surviving speakers. If it loses all of its native speakers, it becomes an extinct language. UNESCO defines four levels of language endangerment between "safe" (not endangered) and "extinct": Vulnerable Definitely endangered Severely endangered Critically endangered

Languages

+BrazilLanguageStatusCommentsISO 639-3Aikana languageDefinitely endangered tbaAjuru languageExtinct wyrAkawaio languageVulnerable akeAkuntsu languageCritically endangered  aqzAkwáwa languageVulnerable mdz, pak, asuAnambé languageCritically endangered aanApalai languageVulnerable apyApiaká languageCritically endangered apiApinajé languageVulnerable apnApurinã languageDefinitely endangered apuArara do Pará languageVulnerable aapArára Shawãdáwa languageCritically endangered kntAraweté languageVulnerable awtArikapu languageCritically endangered arkAruá languageSeverely endangered arxAshaninka languageVulnerable cjo, cni, cpb, cpc, cpu, cpy, prqAsurini do Xingu languageVulnerable asnAurê-Aurá languageCritically endangered auxAva-Canoeiro languageCritically endangered avvAweti languageVulnerable aweBakairi languageVulnerable bkqBanawá Yafi languageVulnerable jaaBaníwa do Içana languageVulnerableAlso spoken in: Colombia, VenezuelabwiBara languageVulnerable pok, baoBarasana languageSeverely endangered bsnBaré languageCritically endangered bae, mhtBororo languageDefinitely endangered borCarapana languageSeverely endangered cbcCashinahua languageVulnerable cbsChamacoco languageCritically endangeredAlso spoken in: ParaguaycegChiquitano languageCritically endangered caxCinta Larga languageVulnerable cinCocama-Cocamilla languageCritically endangered codCubeo languageDefinitely endangered cubCulina languageVulnerable culDâw languageVulnerable kwaDení languageVulnerable dnyDesano languageDefinitely endangered desDiahói languageCritically endangered pahDjeoromitxi languageSeverely endangered jbtEnawenê-Nawê languageVulnerable unkGalibi Marworno languageVulnerable carGavião de Rondônia languageVulnerable gvoGavião do Pará languageVulnerable gvpGuajá languageVulnerable gvjGuajajara languageVulnerable gubGuarasu languageCritically endangered psmGuató languageCritically endangered gtaHixkaryána languageVulnerable hixHupda languageVulnerable jupIkpeng languageVulnerable txiIranxe languageCritically endangered irnJamamadí languageVulnerable jaaJarawára languageVulnerable japJavaé languageDefinitely endangered kpjJuma languageCritically endangered juaKa'apór languageVulnerable urbKadiwéu languageDefinitely endangered kbcKaingang languageDefinitely endangered kgpKaiowá Guarani languageVulnerable kgk, ptaKaixána languageCritically endangered  Kalapalo languageVulnerable kuiKamaiurá languageVulnerable kayKanela Apaniekra languageVulnerable ramKanela Rankokamekra languageVulnerable ramKanoê languageCritically endangered kxoKarajá languageVulnerable kpjKari'ña languageDefinitely endangered car, ciyKaripuna languageDefinitely endangered kuqKaripuna do Amapá languageVulnerable kmvKaritiana languageVulnerable ktnKaro languageVulnerable arrKatawixi languageCritically endangered xatKatukina do Acre languageSeverely endangered kntKatukína-Kanamarí languageVulnerable kav, knmKatxuyana-Xikuyána languageVulnerable kbbKaxarari languageCritically endangered ktxKayabi languageVulnerable kyzKinikinau languageCritically endangered gqnKisêdjê languageVulnerable suyKorúbo languageVulnerable xorKrahô languageVulnerable xraKrenak languageCritically endangered kqqKrikati languageVulnerable xriKuikuro languageVulnerable kuiKujubim languageCritically endangered  Kulina Páno languageSeverely endangered xpkKurripako languageVulnerable kpcKuruáya languageCritically endangered kyrKwazá languageCritically endangered xwaMachineri languageVulnerable mpdMacuna languageVulnerable myyMacushi languageVulnerable mbcMakurap languageSeverely endangered mpuMarúbo languageVulnerable mzrMatipu languageCritically endangered mzoMatís languageVulnerable mpqMawayana languageCritically endangeredAlso spoken in: Surinamempw, mzxMawé languageVulnerable mavMaxakali languageVulnerable mblMayoruna languageVulnerable mcfMbya Guarani languageVulnerable gunMebengokre languageVulnerable txuMehináku languageVulnerable mmhMiraña languageCritically endangered boaMirití Tapuia languageCritically endangered mmvMundurukú languageVulnerable myuMyky languageVulnerable irnNadëb languageDefinitely endangered mbjNahukwa languageDefinitely endangered mzoNambiquara do Norte languageVulnerable lkd, ltn, xtw, wmdNambiquara do Sul languageVulnerable nabÑandeva Guarani languageVulnerable nhdNheengatu / Yeral languageSeverely endangered yrlNinam languageVulnerable shbOfayé languageCritically endangered opyOmagua languageCritically endangered omgOro Win languageCritically endangered orwPaiter languageVulnerable sruPalikur languageVulnerable pluPanará languageVulnerable krePareci languageDefinitely endangered pabParintintin languageCritically endangered pahPatamona languageVulnerable pbcPaumarí languageSeverely endangered padPemon languageVulnerable aocPirahã languageVulnerable mypPiratapuya languageSeverely endangered pirPoyanawa languageCritically endangered pynPukobyê languageVulnerable gvpPuruborá languageCritically endangered purRikbaktsa languageSeverely endangered rkbSabanê languageCritically endangered saeSakurabiat languageSeverely endangered skfSalamãy languageCritically endangered mndSanema languageVulnerable xsuShanenawa languageVulnerable ywnSiriano languageVulnerable sriSuruahá languageVulnerable swxTapayuna languageSeverely endangered suyTapirapé languageVulnerable tafTariana languageCritically endangered taeTembé languageSeverely endangered tqbTenharim languageSeverely endangered pahTerena languageSeverely endangered terTicuna languageDefinitely endangeredAlso spoken in: Colombia, PerutcaTrio languageVulnerable triTrumai languageCritically endangered tpyTucano languageVulnerable tuoTupari languageDefinitely endangered tprTuyuca languageVulnerable tueUru-eu-au-au languageVulnerable urz, adwWaimiri-Atroarí languageVulnerable atrWaiwai languageVulnerable wawWajãpi languageVulnerable oymWanano / Kotiria languageVulnerable gvcWapishana languageDefinitely endangered wapWarekena languageCritically endangered gaeWari languageDefinitely endangered pavWauja languageVulnerable wauWayana languageVulnerable wayXambioá languageCritically endangered kpjXavante languageVulnerable xavXerente languageSeverely endangered xerXetá languageCritically endangered xetXipáya languageCritically endangered xiyXokleng languageCritically endangered xokYaminahua languageVulnerable yaaYanomám languageVulnerable wcaYanomami languageVulnerable wckYatê languageSeverely endangered funYawalapiti languageCritically endangered yawYawanawá languageVulnerable ywnYecuana languageVulnerable mchYudja languageVulnerable jurYuhup languageVulnerable yabZo'é languageVulnerable ptoZoró languageVulnerable gvo

References