No.
There is no official language for Australia: English is the default language throughout the country. However, Australians have developed and adapted a number of interesting slang terms which truly leave some overseas visitors completely baffled as to their meaning. Some of these words are derived from Australian aboriginal dialects, and some of them have simply developed from the wide mix of local English and Irish dialects which came with the early convicts.
There is no specific number of people who speak "Australian" as a language. Australian English is the official language of Australia and is spoken by the majority of the population, along with various indigenous languages and immigrant languages.
Of course they speak other languages. Don't you know people in your country who speak more than one language.
92% people speak other languages.
They speak Norwegian, but other people from other countries go there with other languages.
yes
The Ue people speak Tumu, and other dialects.
Spanish, French, English
Hispanic people speak various languages, with Spanish being the most common. Other languages spoken by Hispanic individuals include Portuguese, English, and indigenous languages such as Nahuatl and Quechua.
They speak Twi, Ga and 36 other languages.
there is so many languages in Asia because people are not close to each other that they have to speak alot of languages.
People who speak two languages are commonly referred to as bilingual.
A person who speak different languages is called a Linguist.