Pitcarn Island, population, 50
Vatican City, population 300
Tokelau, population 1,200
Nieu, population 1500
Falkland Islands, population 5,000
St. Helena, population 4,500
Montserrat, population 5,
900 (I'm not sure if this number is before or after the eruption of their volcano)
Nauru, population 10,000
Tuvalu, population 10,000
Anguilla, population 15,000
These are the top (bottom?) ten. You can see the whole list on the link below.
The smallest country in terms of land area is Vatican City, a city-state enclaved within Rome, Italy. The least populous country is Nauru, an island country in Micronesia with a population of around 10,000 people.
vatican city
Vatican City
The least populated country in Oceania is Tuvalu, with a population of around 11,000 people.
The least populated Muslim country is the Maldives with a population of around 530,000 people.
The least populous country in the Caribbean is Saint Kitts and Nevis, with a population of around 55,000.
Greenland is the least populated country in the northern hemisphere, with a population of around 56,000 people.
Belgium
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Malta is the smallest and least populous of the European Union countries.
Montenegro is the least populated Eastern European country.
The country with the lowest citizen population is the Pitcairn Islands with a population of 56. However, Pitcairn Islands are under the rule of the United Kingdom. The sovereign country with the lowest population is Vatican City with a population of 839.