The contrast is even starker in oil-rich Norway, where the poorest 38 percent of the people fare better, on average, than the poorest 38 percent of Americans, despite a lower median per capita GDP.

• 这样的对比在以盛产石油闻名的挪威更加鲜明。在那里，最穷的38%25人口比美国最穷的38%25人口的生活来得好，尽管其国民平均国内生产总值（GDP）较美国来得低。