The continent of Antarctica has the lowest population density, as it has no permanent population. Australia has the lowest population density at 2.8/km2 (7.3/sq. mile).
Australia.
Australia
The state of South Australia in Australia has a population of 1.6 million people, making it the fifth least populated state in Australia. The state comprises of less then 8% of Australia's population.
The state with the third highest population in Australia is Queensland.
The state of the vatican city: rural population 0
Alaska, because it has the lowest population of people in general.
Antarctica, Pangea, Atlantis and Australia
the Northern teritory, Western Australia,
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Alaska
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