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How large is Asia compared with Earth’s total land area?

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A map of the continent of Asia, including its countries, boundaries, and capital cities, as well as parts of Europe, Africa, and surrounding oceans. — Asia Map showing the countries and national capitals of Asia.

Asia is the world’s largest continent, covering approximately 17,226,200 square miles (44,614,000 square kilometres). In terms of its scale relative to the rest of the planet, it constitutes roughly one-third of Earth’s total land surface.123