Over the last 60 years, China has experienced demographic change at a historic pace that had a profound impact on its population structure. Baby boom began in the mid-1960s after the period of “Great Leap Forward” saw famines and a sharp rise in death rate and a fall in birth rate.
China is now a “post-transitional” society, where life expectancy has reached new heights, fertility has  2  BIS central bankers’ speeches  declined to below-replacement level, and rapid population ageing is expected over the next few decades. China’s population will start to shrink after reaching a peak of about 1.4 billion by 2025 A.D.