2016年世界银行分析显示，非洲及中东地区与干旱相关的水资源危机可能会使这些地区的国内生产总值到2050年下降达6 % 。
According to a 2016 World Bank analysis, drought-related water crises in Africa and the Middle East could reduce GDP in these regions by as much as 6% by 2050.