China is a country in Asia, which is the largest and the most populated continent. Asia covers the eastern and the northern hemispheres, it covers over 30% of the world’s land, and it has over 60% of the total world population. The main reason that makes population an issue in Asia is that despite having the highest population it also has the highest population growth rate in the world. In the 20th century, the population quadrupled, which made some countries introduce to regulation to hold the rapid increase in population. China is the most populated country not only in Asia but in the whole world. China has over 1.3 billion people, which account for over 30% of the entire population in Asia and 20% of the world’s population(Mason, and Yamaguchi, 2007, 23).