Country size comparison
compared to
Mongolia is about 1.4 times smaller than Greenland.
Greenland is approximately 2,166,086 sq km, while Mongolia is approximately 1,564,116 sq km, making Mongolia 72.21% the size of Greenland. Meanwhile, the population of Greenland is ~57,792 people (3.2 million more people live in Mongolia).
Compare further: Mongolia vs. Greenland