The total area of Asia is 44.5 million km² (17.2 million mi²) split across 50 countries.
The largest country in Asia is China, which is 9,706,961 km² (3,746,887 mi²). China takes up about 6.54% of Earth’s total surface area, and is the third largest country in the world (behind Russia and Canada). China’s current population is 1.43 billion people, which is the highest in the world.
The smallest country in Asia is Macau, which is also the eighth smallest country in the world. Macau spans a total of 30 km² (12 mi²). Macau has a population of 641,823 people.