剛在科學雜誌上看的統計，不知跟韓國男人那個消費指數有關沒？

來源: 於 2011-02-10 09:04:28 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：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