Falling birth rates are also indicators of better educated and more autonomous women, which is one reason why sub-Saharan Africa's birthrate remains stubbornly high.

下降的出生率也显示了更好的受教育和更多自主的女性，这也是为什么撒哈拉沙漠以南的非洲出生率一直持续在高位的原因之一。