Sep 28th 2011, 13:54 by The Economist online The economic impact of demographics in Asia INVESTORS are often lured to countries like India and Vietnam by their demographic promise-by their fast-growing population of workers and consumers. Likewise, investors in China often worry that it "will grow old before it grows rich".
WASHINGTON - The world's 65-and-older population will triple by mid-century to 1 in 6 people, leaving the U.S. and other nations struggling to support the elderly.
In every country of the world, the demographic timebomb is ticking away. Yet in Britain, the countdown is surprisingly slow. And when it goes off, it may not be quite the explosion we feared