Which are the Top 10 Largest Countries in the World: List of Top 10 Largest Countries In the World Country Capital City Total Area(Square km) Russia Moscow 17098242 Canada Ottawa 9984670 United States of America Washington DC 9826675 China Beijing 9596961 Brazil Brasilia 8514877 Australia Canberra 7741220 India New Delhi 3287263 Argentina Buenos Aires 2780400 Kazakhstan Astana 2724900 Algeria Algiers 2381741 The numbers shown are based on the total land size of each country which includes both land and water.which is situated within the boundaries. as shown in the ranking list, Russia is the largest country by its area from all the countries which covers the area of 1,70,98,242 square kilometers.Its capital is Moscow and it is situated in the Europe Continent. Above mentioned countries are ranked based on their area size and all the information is collected by CIA World Fact book