| Date | Language | Language family | Region | Terminal speaker | Notes |
| 20 September 2025 | Aurê-Aurá | Tupian | Maranhão, Brazil | Aurá | |
| 14 July 2025 | Caddo | Caddoan | Oklahoma, United States | Edmond Johnson | Under a process of revival. |
| by 8 March 2024 | Mawes | Northwest Papuan? | West Papua, Indonesia | | |
| by 8 March 2024 | Luhu | Austronesian | Maluku, Indonesia | | |
| 2 May 2023 | Columbia-Moses | Salishan | Washington, United States | Pauline Stensgar | |
| by 2023 | Itonama | Isolate | Beni Department, Bolivia | | |
| 5 October 2022 | Mednyj Aleut | Mixed Aleut–Russian | Commander Islands, Russia | Gennady Yakovlev | |
| 19 April 2022 | Quapaw | Siouan | Tulsa, Oklahoma, United States | Ardina Moore | |
| 16 February 2022 | Yahgan | Isolate | Magallanes, Chile | Cristina Calderón | |
| by 2022? | Moghol | Mongolic | Herat Province, Afghanistan | | |
| 25 September 2021 | Wukchumni dialect of Tule-Kaweah Yokuts | Yokuts | California, United States | Marie Wilcox | |
| 27 August 2021 | Yuchi | Isolate | Tennessee and Oklahoma in the United States | Maxine Wildcat Barnett | |
| 7 March 2021 | Bering Aleut | Eskimo-Aleut | Kamchatka Krai, Russia | Vera Timoshenko | |
| 2 December 2020 | Tuscarora | Iroquoian | North Carolina, United States | Kenneth Patterson | Under a process of revival. |
| 4 April 2020 | Aka-Cari dialect of Northern Andamanese | Great Andamanese | Andaman Islands, India | Licho | |
| 23 March 2019 | Ngandi | Gunwinyguan | Northern Territory, Australia | C. W. Daniels | |
| 4 January 2019 | Tehuelche | Chonan | Patagonia, Argentina | Dora Manchado | |
| by 2017 | Hokkaido Ainu | Ainu | Hokkaido, Japan | | |
| 9 December 2016 | Mandan | Siouan | North Dakota, United States | Edwin Benson | |
| 30 August 2016 | Wichita | Caddoan | Oklahoma, United States | Doris McLemore | |
| 29 July 2016 | Gugu Thaypan | Pama-Nyungan | Queensland, Australia | Tommy George | |
| 11 February 2016 | Nuchatlaht dialect of Nuu-chah-nulth | Wakashan | British Columbia, Canada | Alban Michael | |
| 4 January 2016 | Whulshootseed | Salishan | Washington, United States | Ellen Williams | |
| 4 February 2014 | Klallam | Salishan | Washington, United States | Hazel Sampson | being taught as a second language on the Olympic Peninsula of Washington State |
| Demushbo | Panoan | Amazon Basin, Brazil | | |
| 5 June 2013 | Livonian | Uralic | Latvia | Grizelda Kristiņa | Under a process of revival. |
| 26 March 2013 | Yurok | Algic | California, United States | Archie Thompson | Under a process of revival. |
| by 2013 | Sabüm | Mon–Khmer | Perak, Malaysia | | |
| 2 October 2012 | Cromarty dialect of Scots | Indo-European | Northern Scotland, United Kingdom | Bobby Hogg | |
| 11 July 2012 | Upper Chinook | Chinookan | Oregon, United States | Gladys Thompson | |
| 10 March 2012 | Holikachuk | Na-Dene | Alaska, United States | Wilson "Tiny" Deacon | |
| 2012 | Andoa | Zaparoan | Peru | Hipólito Arahuanaza | |
| 2012 | Mardijker | Portuguese-based creole | Jakarta, Indonesia | Oma Mimi Abrahams | |
| Dhungaloo | Pama-Nyungan | Queensland, Australia | Roy Hatfield | |
| Ngasa | Nilotic | Tanzania | | Most speakers have shifted to Chaga |
| 10 April 2011 | Apiaká | Tupian | Mato Grosso, Brazil | Pedrinho Kamassuri | |
| 2011 | Lower Arrernte | Pama-Nyungan | Northern Territory, Australia | Brownie Doolan Perrurle | |
| 24 October 2010 | Pazeh dialect of Pazeh | Austronesian | Taiwan | Pan Jin-yu | |
| 20 August 2010 | Cochin Indo-Portuguese Creole | Portuguese-based creole | Southern India | William Rozario | |
| 26 January 2010 | Aka-Bo | Andamanese | Andaman Islands, India | Boa Sr. | |
| 2010s | Warluwarra | Pama-Nyungan | Australia | | Extinct by 2021 |
| November 2009 | Aka-Kora | Andamanese | Andaman Islands, India | Ms. Boro | |
| 22 February 2009 | Great Andamanese koiné | Andamanese | Andaman Islands, India | Nao Jr. | |
| 2009 | Nyawaygi | Pama-Nyungan | Queensland, Australia | Willie Seaton | |
| by 2009 | Aribwatsa | Austronesian | Papua New Guinea | | |
| by 2009 | Papora-Hoanya | Austronesian | Taiwan | | |
| 30 July 2008 | Tübatulabal | Uto-Aztecan | California, United States | James Andreas | |
| April 2008 – 2012 | Dura | Sino-Tibetan | Nepal | Soma Devi Dura | |
| 24 February 2008 | Plains Apache | Na-Dene | Oklahoma, United States | Alfred Chalepah Jr. | |
| 21 January 2008 | Eyak | Na-Dene | Alaska, United States | Marie Smith Jones | |
| late 2000s | Ruga | Sino-Tibetan | East Garo Hills district | | Most people who identify themselves as Ruga speak Garo. |
| after 2007 | Rusenu | Trans–New Guinea? | eastern East Timor | | |
| 10 August 2007 | Gros Ventre | Algic | Montana, United States | Theresa Lamebull | |
| 2007 | Northeastern Maidu | Maiduan | Central California, United States | | Under process of revival, 319 speakers of "Maidu" recorded in 2017 census |
| Javindo | Dutch-based creole | Java, Indonesia | | |
| by 2007 | Hpun | Sino-Tibetan | Myanmar | | |
| by 2007 | Hoti | Austronesian | Seram, Indonesia | | |
| 11 July 2006 | Wasco dialect of Upper Chinook | Chinookan | Oregon, United States | Madeline Brunoe McInturff | |
| 2006 | Zire | Austronesian | New Caledonia | | |
| 2006 | Omurano | Isolate | Peru | Esteban Macusi | |
| 2006 | Ludza dialect of South Estonian | Uralic | Latvia | Nikolājs Nikonovs | |
| by 2006 | Zumaya | Afroasiatic | Cameroon | | Most speakers have shifted to Fula. |
| 3 November 2005 | Osage | Siouan | Oklahoma, United States | Lucille Roubedeaux | being revived |
| 2005 | Berbice Creole Dutch | Dutch-based creole | Guyana | Bertha Bell | |
| by 2005 | Barrow Point | Pama-Nyungan | Queensland, Australia | Urwunjin Roger Hart | |
| 2005 | Kerek | Chukotko-Kamchatkan | Chukotka | Ekaterina Khatkana | |
| 20 September 2004 | Nüshu script | unclassified | Hunan, China | Yang Huanyi | |
| c. 2004? | Duli | Niger-Congo | Cameroon | | |
| 29 December 2003 | Akkala Sami | Uralic | Kola Peninsula, Russia | Marja Sergina | |
| 22 November 2003 | Wintu | Wintuan | California, United States | Flora Jones | |
| 14 September 2003 | Klamath-Modoc | Plateau Penutian | Oregon, United States | Neva Eggsman | |
| September 2003 | Garig-Ilgar | Pama-Nyungan | Northern Territory, Australia | | |
| 2003 | Umotína | Macro-Jê | Mato Grosso, Brazil | | |
| by 2003 | Alngith | Pama-Nyungan | Queensland, Australia | | |
| by 2003 | Areba | Pama-Nyungan | Queensland, Australia | | |
| by 2003 | Atampaya | Pama-Nyungan | Queensland, Australia | | |
| by 2003 | Makolkol | unclassified | New Britain, Papua New Guinea | | possible Papuan language |
| 4 November 2002 | Serrano | Uto-Aztecan | California, United States | Dorothy Ramon | being revived |
| 31 August 2002 | Unami | Algic | Delaware, United States | Edward Thompson | |
| 23 May 2002 | Gaagudju | Isolate | Northern Territory, Australia | Big Bill Neidjie | |
| 2002 | Tandia | Austronesian | West Papua, Indonesia | | Speakers shifted to Wandamen. |
| 2002 | Akurio | Cariban | Suriname | | |
| by 2001 | Amanayé | Tupian | Brazil | | |
| by 2001 | Umbugarla | Arnhem Land languages or Darwin Region languages | Northern Territory, Australia | Butcher Knight | |
| by 2001 | Ngurmbur | Arnhem Land languages or Darwin Region languages | Northern Territory, Australia | Butcher Knight | |
| 2000 | Maku language of Auari | Isolate | Roraima, Brazil | Sinfrônio Magalhães | |
| 2000 | Sowa | Austronesian | Pentecost Island, Vanuatu | | with the death of Maurice Tabi |
| Chiapanec | Oto-Manguean | Chiapas, Mexico | | |
| Mapia | Austronesian | Mapia Atoll, Indonesia | | |
| Mesmes | Afroasiatic | Ethiopia | Abegaz | |
| Kamarian | Austronesian | west Seram Island, Indonesia | | |
| Nagumi | Niger-Congo | Cameroon | | |
| Lapachu | Arawakan | Apolobamba | | It is possible there are still a few very old speakers. There may be two distinct languages under this label. |
| by 2000 | Central Pomo | Pomoan | Northern California | | |
| Rennellese Sign Language | unclassified | Solomon Islands | Kagobai | |
| Wanham | Chapacuran | Brazil | Firmino Miguelem | |
| c. 2000s | Aribwatsa | Lower Markham languages | Morobe Province, Papua New Guinea | Butoawê | Exact date of extinction is unknown although it is believed to be in 2000. Most descendants have switched to the Bukawa language. |
| 2000s | Bahuana | Arawakan | Brazil | | |
| 2000s | Torá | Chapacuran | Brazil | | |