Amid rapid population growth, migration in sub-Saharan Africa has been increasing briskly over the last 20 years. Up to the 1990s, the stock of migrants-citizens of one country living in another country-was dominated by intraregional migration, but over the last 15 years, migration outside the...

After close to two decades of strong economic activity, overall growth in sub-Saharan Africa decelerated markedly in 2015-16 as the largest economies experienced negative or flat growth. Regional growth started recovering in 2017, but the question remains of how trends in the economies stuck in...