It may come as a surprise, but Japan has eight endangered languages. We interviewed Fija Byron, who is fighting to protect the language of Okinawan.
Talking dictionaries' document endangered languages
Japan: Eight endangered languages in the Japanese archipelago · Global Voices
Global predictors of language endangerment and the future of linguistic diversity
Going, Going, Gone: Five of Asia's Most Endangered Languages
Survey: Endangered Languages in the World & World's Languages Traductor de Español/Castellano / Übersetzer für Spanisch / Переводчик с Испанского / Traducteur d'Espagnol / Spanish Translator / Filólogo / Филолог
Michael Brendan Dougherty: My Father's Language - The Atlantic
PDF) Endangered Languages
Atlas of the world's languages in danger
Frontiers Revisiting the Past to Understand the Present: The Linguistic Ecology of the Singapore Deaf Community and the Historical Evolution of Singapore Sign Language (SgSL)
Some endangered languages continue to thrive. Here's how
The 50 Worst Decisions in Movie History
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Endangered language - Wikipedia
All The World's Endangered Languages, By Country