China is famously the world's most populous country, and its population has now grown to more than 1.3 billion people.However, a recent report has revealed that after decades of rapid growth, China's population is now forecast to peak in 2025.The report was delivered in Brussels by the Institute of Population and Labor Economics at the Chinese Academy of Social Sciences.So, what do these new predictions mean for China?What will the international reaction be?And how will the Chinese government respond to the challenge?