North America is dominated by three massive nations that together cover the vast majority of the continent's landmass. Ranked by total area, the top three are:
Area: 9.985 million km²
Canada is the largest country in North America and the second-largest in the world. Its territory stretches from the Atlantic to the Pacific and northward into the Arctic Ocean, encompassing diverse landscapes from boreal forests and prairies to the Rocky Mountains and Arctic tundra.
Area: 9.834 million km²
The United States ranks a close second, covering the central portion of the continent. Its geography includes the Appalachian and Rocky Mountains, the Great Plains, the Mississippi River basin, and extensive coastlines on both the Atlantic and Pacific.
Area: 1.964 million km²
Mexico is the third-largest, located at the southern end of North America. It features a varied topography of mountains, deserts, tropical rainforests, and extensive coastlines along the Pacific Ocean, Gulf of Mexico, and Caribbean Sea.
Together, these three countries account for over 95% of North America's total land area.