About 35 years later than in the other less developed countries, high mortality and fertility levels have started to decline in the 48 countries of sub-Saharan Africa (SSA). The late completion of the demographic transition in the region, its slow pace, and its population growth rates over 2.5% per year for more than 50 years, render the SSA demographic trajectories very different from the transitions experienced elsewhere in the world.With the onset of the fertility decline and be...