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Largest Countries in the World (by land area) The largest country in the world is Russia with a land area of 16,299,981 KmÂ² (6,293,455 miÂ²), equivalent to 10.9 % of the total world's landmass of 148,940,000 KmÂ² (57,510,000 square miles). Below is the list of the largest 20 countries and, following, the full list of all countries and dependencies ranked by land area.
The land area of Canada is 3,512,524 square miles, but the total area of the country, including inland and coastal water, is 3,856,751 square miles   It is, after Russia, t â¦ he second largest country in the world.29 people found this useful. The question and answer are locked and cannot be edited. 4 Jays.anada has a total land and water area of 3,855,102 square miles, of which almost 9% is water. (This is 9,984,670 km2 - another figure cited is 3,854,085 which is not equal. â¦). 5 people found this useful.