在过去十年中人口增加了一倍。

Over the last 10 years its population has doubled.

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因此，在一年中人口减少了大约两百万(约占总人口数的6%)。

As a result the population fell by around 2 million people (6 percent of the total) in a single year.

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在到2005年为止的十年中人口的工作年龄每年增长1.3%，此后预计将每年以0.7%的速度增长到2015年，然后每年减少0.1%到2025年。

After rising by 1.3% a year during the decade to 2005, the population of working age is expected to increase at an annual rate of 0.7% until 2015, and then shrink by 0.1% a year until 2025.

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