The Mongol Empire was the world's greatest empire after the British Empire. It was the world's biggest contiguous empire. It encompassed a massive area of 9.3 square miles or 23 million square kilometers at its greatest extent, accounting for approximately 16.11 percent of the entire geographical area of the World. ¹⁾

Mongols were nomads for as long as the Mongolian Empire existed. They used to roam in quest of food and shelter. ²⁾