Australian Desert Facts The Australian deserts listed below make up about 18% of this continent, but a full 35% of Australia receives so little rainfall, it is classified as desert. 70% of the country is classified as arid or semi-arid, which means it gets less than 500 mm of rain a year. That makes Australia the driest inhabited continent on Earth. ... More items...What are the four Australian deserts?
The names of the four biggest Australian deserts are the Great Victoria Desert, Great Sandy Desert, Tanami Desert, and Simpson Desert. The largest of the four biomes is the Great Victoria Desert which is located in Western and South Australia where it encompasses an area of 348,750 sq km.