The population of
This type of model according to me is unsustainable in the long run for many countries. Look at
Many European countries are hesitant to open their countries to massive numbers of immigrants since their own population is averse to integration with “other people” no matter what they openly say otherwise. The idea of the government taking care of people from cradle to the grave which is still in vogue in many European countries (and supported by their population enthusiastically) will not last much longer and for the young people who are supporting these aging population are fearful of not being able to enjoy their fruits of labor when they become old.