Figure 2.36: Median U.S. income by (A) type of household and (B) level of education, 2007.

[Sources consulted: (A) U.S. Census Bureau, “Money Income of Households—Distribution by Income Level and Selected Characteristics: 2007,” Income, Expenditures, Poverty, & Wealth: Household Income, Table 676, 2010, at http://www.census.gov/compendia/statab/cats/income_expenditures_poverty_wealth/household_income.html; (B) U.S. Census Bureau, “Mean Earnings by Highest Degree Earned: 2007,” Education: Educational Attainment, Table 227, 2010, at http://www.census.gov/compendia/statb/cats/education/educational_attainment.html]