Australia, which has a population of over 20 million, and Russia, which has a population of around 144 million, both also ranked low in population density, due to large regions of uninhabited land ...

Melbourne is now home to Australia's two densest localities. (Flickr: Gary Sauer-Thompson)Nationally, our capitals are squeezing 40 per cent more people into the same land area than they were in 2003.

Australians would need to accept a higher level of density in their ­cities if they wanted to solve the housing crisis, Lendlease Australia chief executive Dale Connor has warned.