New demographic reality poses challenges for countries and companies
New research by my colleagues at the McKinsey Global Institute shows that as the world becomes youth-scarce, the number of people of working age per senior in advanced economies and China will halve, from about four today to just two by 2050. The fact that people are living longer is good news. Economically, though, there are consequences. People 65 years and older typically consume more than they earn from their…

