The United States continues to increase diversity, with more than a third of its population belonging to a minority group (CNN.com, May 14, 2009). Hispanics are the fastest-growing minority segment, comprising one out of six residents in the country. Table 18.6 shows a portion of data relating to the number as well as the median income of Hispanic households from 1975 through 2007. The full data set is on the text website, labeled Hispanic Characteristics.