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雅思阅读背景知识：英国人口的老龄化
Ministers say people should prepare to spend more than a third of their lives
in retirement due to the "staggering" rise in life expectancy.
In the first official projection of its kind, the Department for Work and
Pensions today forecasts that almost a fifth of Britons will celebrate their
100th birthday.
Of the 17 per cent of the population who will become centenarians, about
three million are under the age of 16, and 5.5 million are aged between 16 and
50.
The statistics show that there are 1.3 million 51 to 65 year-olds who are
likely to get their royal telegram, along with 875,000 people who have already
retired.
In total, about half a million people a year will be celebrating their 100th
birthday by 2066, compared with about 10,000 now. Nearly 8,000 of them will
reach their 110th bi
