ntury there were more than 250 distinct First Nations Peoples social grou

pings and a similar number of languages or varieties. The status and knowledge of Aboriginal langu

ages today varies greatly. Many languages became extinct with set

tlement as the encroachment of colonial society broke up Indigenous cultures. For some of these languages, few records exist for vocabulary and grammar. At the start of the 21st century, fewer than 150 Aboriginal languages remained in daily use, with the majority being highly endangered. In 2020, 90 per cent of the barely more than 100 languages still spoken are considered endangered. Thirteen languages are still being transmitted to children. The surviving languages are located in the most isolated areas. Of the five least endangered Western Australian Aboriginal languages, four belong to the Western Desert grouping of the Central and Great Victoria Desert. Yol?u languages from north-east Arnhem Land are also currently learned by children. Bilingual education is being used successfully in some communities. Seven of the most widely spoken Australian languages, such as Warlpiri, Murrinh-patha and Tiwi, retain between 1,000 and 3,000 speakers. Some Indigenous communities and linguists show support for learning programmes either for language revival proper or for only "post-vernacular maintenance" (Indigenous communities having the opportunity to learn some words and concepts related to the lost la