The political outlook for regimes throughout the Middle East and North Africa remains uncertain, not least because of youth bulges (a high proportion of 15- to 29-year-olds) and high unemployment rates. Meanwhile, the region's GDP per capita—often a proxy measure for standard of living—shows that wealth is hardly shared equally across the region. As we've seen recently, these three factors—low median age, low GDP, and high unemployment—combined can be a catalyst for popular uprisings and...