Today, conflict and drought are contributing to a crisis that has put 20 million people in four countries on the brink of famine.
Join our Boomerang challenge on cities.
Check out GEP's June 2017 edition forecasts in these data charts.
The number of jobs is not the only thing at stake.
Access the World Bank's portfolio of more than 12,000 development projects, including current and historical data since 1947.