【单选题】【消耗次数：1】
联合国判断一个国家是否进入老龄社会的标准正确的是：
①
60岁以上的人口占总人口比列达到10%
②
60岁以上的人口占总人口比列达到7%
③
65岁以上人口占总人口的比重达到5%
④
60岁以上的人口占总人口比列达到8%
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“七普”数据显示，我国人口老龄化程度在不断加深，预计（）年前后会进入老龄化重度阶段，60岁及以上老年人口占比超过30%。
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