mardi 24 avril 2012

La démographie, tendon d’Achille de la Chine


Photo : F. Descheemaekere ©
Demography : China’s Achilles heel

[The Economist]

A comparison with America reveals a deep flaw in China’s model of growth

LIKE the hero of “The Iliad”, China can seem invincible. In 2010 it overtook America in terms of manufactured output, energy use and car sales. Its military spending has been growing in nominal terms by an average of 16% each year for the past 20 years. According to the IMF, China will overtake America as the world’s largest economy (at purchasing-power parity) in 2017. But when Thetis, Achilles’s mother, dipped her baby in the river Styx to give him the gift of invulnerability, she had to hold him somewhere. Alongside the other many problems it faces, China too has its deadly point of unseen weakness: demography.  Over the past 30 years, China’s total fertility rate—the number of children a woman can expect to have during her lifetime—has fallen from 2.6, well above the rate needed to hold a population steady, to 1.56, well below that rate (see table).
Because very low fertility can become self-reinforcing, with children of one-child families wanting only one child themselves, China now probably faces a long period of ultra-low fertility, regardless of what happens to its one-child policy.
Lire : economist.com
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