World smallest country: List and details of the world's smallest

List and details of the world's smallest countries , including countries with the smallest populations and the countries with the smallest land area. The smallest country in the world can also be determined by other criteria, such as population size. With a population of just 825, Vatican City is the smallest country in this list as well. The Vatican City is known as the Smallest Country in the World with a total area of 0.49Km² (0.19 mi²), also the Smallest Country in context of the population which is only 825 citizens.