And if you're celebrating because this is a sign of progress toward a sustainable global population, think again. Current trends just mean a shift away from whites and Asians and toward blacks, God bless them. We need thriving scientific populations, not exploding, perennially poor ones.
By the way, it's ironic, but Michelle Obama might save the day. She is pushing for much more female education in Africa. What works in one population doesn't necessarily work in another, but if history is any guide, nothing dries up a woman's uterus better than staying in school.