2011 study in PS: Political Science & Politics on the effect of racial attitudes on the final vote tall for Barack Obama in 2008.
2011 study in the journal Demography examining the higher education completion rates for black men and women between 1940 and 2000.
2011 paper in the Harvard Law and Policy Review compares changes in voter turnout between 2002 and 2006.
2011 study from the Pew Charitable Trusts on factors that contribute to downward mobility in the United States and how they intersect with race and gender.
2011 study on high level of academic performance over time, and how these students compared to their mid- and lower-level peers.
2011 report by the U.S. Census Bureau with data on health insurance coverage, income and poverty levels.
2011 report by the Pew Research Center compared data from the Survey of Income Program and Participation (SIPP) in 2005 and 2009.
2011 report by the Pew Hispanic Center on demographic trends relating to undocumented immigrants in the United States.
2010 study from Duke University on links between poverty, government assistance and health problems in the United States.
2011 GAO report on criminal activity by undocumented immigrants, their nationality and the estimated costs of such criminality to the United States.