(extra) If the current rich countries are aging, and their population will decrease, how can it affect the world society in few decades? / Yerim Han
Overall, the birth rate decreases, but due to the development of medicine, the mortality rate decreases. As a result, the aging society is getting worse, and as the average life span increases, the number of people living in poverty without income has increased due to the longer life after retirement. Although the retirement period is gradually being delayed, the period of living without income is still long. As the birth rate decreases, the number of adults a person has to support is increasing. This means that the amount of tax a person has to pay increases.
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