The second largest (by its territory) country in the world is Canada and the first one is Russia. Canada is the largest country in Northern America and it has the territory of 9984670 square miles. It is closely followed by the United States. At this Kazakhstan is the largest landlocked state in the world with no access to the sea. In Africa Algeria is the largest by the territory it occupies. Nigeria is not listed among the ten top countries by the areas they take.