For most of recent history, the world has worried about the curse of overpopulation. But in many countries, the problem may soon be too few people, and of those, too many old ones. In 1995 only one country, Italy, had more people over 65 than under 15; today there are 30 and by 2020 that number will hit 35. Demographers estimate that global population growth will end this century.
Rapid aging is already reshaping the politics and economies of many of the most important high-income countries. The demands of older voters are shifting the political paradigm in many places, including the United States, at least temporarily to the right. More importantly, aging populations, with fewer young workers and families, threaten weaker economic growth, as both labor and consumption begin to decline. Read more