This is the result of western economic policy which is designed to promote corporate growth and monopolies (along with the income and wealth inequality which is

This is the result of western economic policy which is designed to promote corporate growth and monopolies (along with the income and wealth inequality which is associated with it) - It causes people to concentrate in major urban centers where all the corporate HQs are located; this causes rents to go up, which means that people have less disposable income and can't afford to have children... Fewer children translates to fewer workers to support an ageing population - This creates an incentive for the older generation take in immigrants to fill gaps in the workforce.