The article discusses the problem of low birth rates and the effectiveness of China's Three-Child policy. It explains how a declining birth rate can harm the economy by reducing the workforce. The main reason for this issue is the economic pressure on young people. Countries like China, Japan, and South Korea are facing similar problems. The article looks at differences in wages and house prices in these countries and how they relate to declining birth rates. It also talks about how social welfare and the Three-Child policy can help society and the economy.