We have to realise how old, how very old, we are. Nations are classified as aged when they have 7 per cent or more of their people aged 65 or above, and by about 1970 every one of the advanced countries had become like this. Of the really ancient soc...
Aging in European Countries We have to realise how old, how very old, we are. Nations are classified as "aged" when they have 7 per cent or more of their people aged 65 or above, and by about 1970 eve...
Fewer Babies, Rising Longevity Lead to Global Aging Crisis 出生率下降和人均寿命的提高导致全球人口老龄化危机 In the year 2000, fertility rates in Europe and other parts of the d...