China today boasts roughly five workers for every retiree. By 2040, this ratio will have dropped to 1.6 to one. Photos: AFP

Why immigrants are US trump card versus fast-greying China

China's rapidly ageing population and shrinking workforce could prevent it becoming an economic and military superpower, while America's growing workforce should keep it No. 1 - provided it doesn't turn against migration

Topic |   US immigration
China today boasts roughly five workers for every retiree. By 2040, this ratio will have dropped to 1.6 to one. Photos: AFP
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