Possibly Pitcairn Islands.
Macao [area,25 sq km, population per sq km-18,2239.6]
Mongolia has the lowest population density in the world, with about 2 people per square kilometer. Its vast and mostly uninhabited landscapes contribute to this low population density.
The most densely populated Asian country is Singapore with a population density of about 6,489 per km².
Montenegro is the least populated Eastern European nation with about 600,000. It will continue to decrease in size as its population growth rate is around -0.63%.
Canada's population density is just four persons per square km
The most densely populated country of Africa is ----- RwandaNigeria, has the highest population (146.2 million) in Africa, but is not necessarily the one with the highest population density (per area).The most densely populated city in Africa is Cairo in Egypt with an approximate 14,000,000 peopleRwanda has to be the most densely populated country in Africa. It is only 26,338 square kilometres and it's population is over 11 million.Edit: Comparative statements are prone to bias, especially when borne out of assumption. In terms of numbers, the population density of Kigali is about 1000 per sq. km. For Cairo that is 10000 per sq. km. For Lagos, the answer is 20000 per sq. km.
Sahara Desert - Among the lowest population densities of any place on Earth: about one person per 2.6 km2
376 persons per sq km.
Approx 16 per sq km.
Monaco has the highest population density of the world's countries with 16,923 persons per square kilometer.
Khuzdar district in Balochistan has the lowest population density in Pakistan. According to 1998 it is 4 (People/km square).
== == Brazil, with 0 people. Actually Brazil has the highest population. However the country with the highest population density in Latin America is Puerto Rico, with 446 per sq km.