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Bangladesh hosts a number of endangered languages that are defined as languages 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 ==Status== According to Bangladesh Bureau of Statistics data from 2011, the country has 27 "small anthropological groups" consisting of 17,84,000 people in total.〔Muktasree Chakma Sathi, "(Disappearing Mother Tongues )", ''Daily Tribune'', page 8, May 30, 2014〕 Ethnologists in Bangladesh and indigineous leaders claim that 48 indigenous communities, a total of 5 million people, are present in Banghladesh. They host 4 language families with 30 ethno-languages. 12-18 of them are endangered at varying degrees. International Mother Language Institute (IMLI) in Dhaka, a government institute, launched a project to reservation and mobilization of 37 languages (including Bengali, the dominant language of Bangladesh). Only 4 of the target languages have their own scripts — Chakma, Marma, Mru, and Meithei.〔Special Correspondent, "(Disappearing indigenous languages )", ''BD Chronicles'', 21 February 2015〕 Some other indigenous communities, especially the 2 lakh people living in Rajshahi, use a language called "Sadri" adopting alphabets from Hindi, Bangla, Urdu and other languages.〔Emran Hossain, "(30 Adivasi languages on verge of extinction )", ''Daily Star'', October 18, 2009〕 In Sylhet tea garden area by Telegu, Santhali, Nepali and Rai communities as a Lingua Franca.〔 The Hill Tracts, a forested upland area in southeastern Bangladesh, is home to more than a dozen indigenous peoples. 50% of the indigenous people of there have no formal schooling; less than 8% complete primary education, and only 2% completes secondary. Most of the children don't understand the instructions written in Bengali. In north-eastern Bangladesh, Hari, Banai, Dalui, and Rajbongshi indigenous communities have started to use Bengali leaving their native languages due to the lack of social and economical recognition.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「List of endangered languages in Bangladesh」の詳細全文を読む スポンサード リンク
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