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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.
Located in the continent of South America, Argentina covers 2,736,690 square kilometers of land and 43,710 square kilometers of water, making it the 8th largest nation in the world with a total area of 2,780,400 square kilometers.