People have to emigrate.

There is a simple reason. Education, medical care, housing and other benefits. Foreign countries are incomparable to ordinary people at home. For example, the medical expenses of the elderly over 60 in the United States are free and borne by countries suffering from major diseases; Everyone can apply for the minimum living guarantee, and regularly distribute all kinds of daily necessities, including food and fruit, which is too much to eat, which means that people's lives are basically stress-free.