China has a poor social security net. The one-child policy has resulted in a couple having to provide or care for 4 parents and 8 grandparents. That's is in no

China has a poor social security net. The one-child policy has resulted in a couple having to provide or care for 4 parents and 8 grandparents. That's is in no way sustainable on an individual level and worse on a societal level when you have a small working population and a large number of people that require care.