The traditional wisdom has been that the world is too populated. But now many countries are concerned about the opposite, declining birth rates.

Countries like Japan face a crisis dubbed the “silver tsunami.” They have an aging population without enough young people to fund their benefits.

China and many European countries face similar challenges. The U.S. birth rate hasn’t fallen as dramatically as in other nations, but amid the pandemic, there has been a marked drop in births and that is worrying some.

CGTN’s Karina Huber reports.