1. There were between 350 and 750 distinct Australian Aboriginal languages at the time of first European contact.
2. The most linguistically diverse regions were across Australia’s north.
3. Today’s heavily populated south east also contained dozens of dialects.
4. Only about 70 of these languages have survived.
Footie-mad Tiwi Islanders in the Northern Territory. Tiwi is one of only 10 percent of Australian languages still being learned by children. Source: Wikipedia.
5. All except roughly 20 languages are highly endangered.
Yolnu children from north-east Arnhem Land still learn their language, but many others are dying out.