Question: which of these countries has the lowest average population density?
Answer: Rank. Country. Population Density. Population. ... 
Greenland (Denmark) 0.03/km2 55,877. 2,166,000 km2
Svalbard and Jan Mayen. 0.04/km2 2,655. 61,399km2
Falkland Islands. 0.21/km2 2,563. 12,173km2
Pitcairn Islands. 1.2/km2 47.3km2
Tristan da Cunha (UK) 1.3/km2 266. 207km2
Mongolia. 1.9/km2 3,000,000. ... 
Western Sahara. 2.3/km2 567,421.