The UK and China illustrate the divergence in urbanisation between various economies. From 1990 to 2010, more than 250m people moved from the countryside to China’s cities. This mass migration had a large effect on the lives of China’s millennial generation: by their early 20s Chinese millennials are now nearly three times more likely to live in cities than their counterparts from 30 years ago. Over the same period in the UK, levels of urban living among the young have increased just three percentage points.

https://www.ft.com/content/f81ac17a-68ae-11e8-b6eb-4acfcfb08c11