China is the most populous country in the world,which has area ..? A) 17.1 million km² B) 9.5 million km² C) 10.6 million km² D) 11 million km² Related MCQs: China is most populous country in the world with population..? America is the third populous country in the world with population..? The least populous country of the world is? Most populous country in continent Africa is ..?