China'smiddle class populationis the largest in the world, with 109 million. ⑶ By 2022,76%of China's urban population will be considered middle class, and this proportion was only 4% in 2000. ⑷

Sustainable Growth in Household Income. In 2016, the average household income had grown by6.7%year-on year. And 10.7% of the average household income was spent on children. ⑸

Per capita income increases with China's rapid urbanization. In 2016, China's urban population was about 836 million, accounting for57.9%of the total population. It’s estimated that the urban population will reach 1 billion in 2020. ⑹