刚在科学杂志上看的统计，不知跟韩国男人那个消费指数有关没？

来源: 于 2011-02-10 09:04:28 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

The highest fertility rate in the world: Niger 7.1

Birth per woman to maintain population level in rich nations: 2.1

The lowest fertility rate in the world: South Korea 1.2