参考译文:
Population ageing is a phenomenon that occurswhen the median age rises in a country or region.Thereason of it may be rising life expectancy and/ordeclining birth rates.In Asia and Europe,a significantnumber of countries will be confronted whhpopulation ageing in the near future.The population ageing has a considerable effect on theeconomy.Older people have more savings than younger people.However,older people spend lesson goods.As a result,an ageing population may thus lead to lower interest rates.
1.人口老龄化:可翻译为population ageing。
2.其原因可能是人口寿命的延长和/或出生率的下降:“人口寿命”可译为life expectancy;“出生率”可译为birth rates。
3.在不久的将来，亚洲和欧洲两个地区将有相当数量的因家面临人口老龄化问题:“不久的将来”可译in the near future;“相当数量的”可译为a significant number of;“面临"可译为be confronted with.
