The next 25 years could prove decisive in determining whether the world’s 26 poorest countries progress to middle-income status. Home to more than 40 percent of people struggling on less than $2.15 a day, these countries are the central focus of global efforts to end extreme poverty. Yet their progress has stalled amid heightened conflict, frequent economic crises, and persistently feeble growth. Watch as Ayhan Kose, Deputy Chief Economist of the World Bank, explains how these countries can tackle these challenges to get back on track.