Smaller households are becoming the global norm. That figure masks differences between countries. Sub-Saharan Africa has 39 countries with a total fertility rate above 4, and among these, 10 countries: Angola, Burkina Faso, Burundi, Chad, the Democratic Republic of the Congo, Mali, the Niger, Nigeria, Somalia and Uganda, have total fertility rates above 6.34 Nevertheless, fertility rates are declining in most of these countries, especially in urban areas.