Country size comparison
compared to
Greenland is about 1.4 times bigger than Mongolia.
Mongolia is approximately 1,564,116 sq km, while Greenland is approximately 2,166,086 sq km, making Greenland 38% larger than Mongolia. Meanwhile, the population of Mongolia is ~3.2 million people (3.2 million fewer people live in Greenland).
Compare further: Greenland vs. Mongolia