What are the causes of the declining birth rate?
少子化加速 今年生まれた子ども72万6千人、最少に 朝日新聞推計 [少子化を考える]:朝日新聞デジタル
What can be done to stop the declining birth rate?
What is the problem with a declining population?
Low fertility is a global trend. Why do you think this is?
Should Japan accept more immigrants?