Australia's Largest Desert - Great Victoria Desert
Date of Record: 2013
The largest desert in Australia is the Great Victoria Desert, which covers around 348,750 sq km, and makes up 4.5% of Australia's total land area (according to Geoscience Australia). Estimates of its size vary from 348,750 sq km to 424,400 sq km.
Together with the Great Sandy Desert, the Gibson Desert and many of the smaller deserts, it forms the Great Western Desert, the 3rd largest in the world at 1.35 million sq km.