指年轻人在人口总量中所占比例不断增大的趋势。与“人口老龄化”相对population rejuvenation

• 一般死亡率下降的初期会使人口年轻化。

  Normally, an initial decline in the death rate will cause population rejuvenation.

• 城市人口年轻化，带来了校园文化和继续教育文化的蓬勃开展。

  Urban population rejuvenation has brought thriving development to campus culture and continuing education culture.