Asia is 20 times larger than Greenland.
Area: 2,166,086 km2 World Factbook
Population: 57,728 (July 2014) World Factbook
Greenland is an autonomous country within the Kingdom of Denmark, located between the Arctic and Atlantic Oceans, east of the Canadian Arctic Archipelago. Wikipedia
Asia is the Earth's largest and most populous continent, located primarily in the eastern and northern hemispheres. It covers 8.7% of the Earth's total surface area and comprises 30% of its land area. With approximately 4.3 billion people, it hosts 60% of the world's current human population. Wikipedia