据统计，在过去十年中，人口出生率急剧下降。
It's estimated that birth rate has dropped dramatically over the past decade.
官方将每一次统计的出生率下降都归功于这一政策的实行。 他们宣称独生子女政策已经帮助减少了大约4亿多人口。
They attribute to it almost every drop in fertility and every averted birth: some 400m more people, they claim, would have been born without it.
丹麦的国民人口数相对稳定，但二零零三(最新人口统计数)年在丹麦出生的3.9%的婴儿都是应用试管授精的结果。
Denmark's native population is more or less stable, but some 3.9% of babies born there in 2003 (the most recent year for which figures are available) were the result of IVF.
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