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The vast majority of Europe's countries are projected to lose population in the next 25 years. More...

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The number of people over age 60 is expected to reach 1 billion by 2020 and almost 2 billion by 2050, representing 22 percent of the world’s population. This growth in the size and share of the elderly population will affect many aspects of economic development, including national labor forces: The ratio of people in older dependent age groups will increase relative to those in working-age groups. However, declining fertility rates may counterbalance this shift by reducing the number of people in younger dependent age groups. In addition, the new generation of older people will be healthier than previous generations and may remain active in the labor force for longer. Along with continued increases in the female labor force, these circumstances may alleviate the economic burden of global aging. David Bloom, economist and demographer at the Harvard School of Public Health, answered questions on this topic during a PRB Discuss Online. Read a transcript of the questions and answers. (June 2009)

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