Despite progress toward gender equality in several areas, gender inequality persists in the United States and throughout the world, and it persists across multiple institutions: education, employment, family, politics, and law. Despite a vast literature documenting these inequalities, questions remain about how they are created and maintained. Social psychology is uniquely positioned to explain those processes. The discipline includes a rich body of theories, including several multilevel theories, which give analysts the ideal tools for illuminating the production and reproduction of inequality across multiple contexts. I begin this chapter by briefly reviewing evidence of gender inequality, focusing on the United States. I then summarize social psychological theories that can be used to explain this inequality, highlighting the theoretical claims, findings, and limitations central to each account. I conclude with a discussion of the areas that warrant further attention.
Gender Inequality in the United StatesAlthough women today receive a larger share of post-secondary degrees than men in the U.S., women are far less likely than men to receive degrees in the typically lucrative areas of science, math, and engineering (SME). The gap is especially pronounced in engineering and computer and information science, where women receive only 18 % of the bachelor degrees in both fields (National Center for Education Statistics 2011). This educational segregation creates similar forms of segregation in the labor market, where women are a minority in most SME sub-fields ( Women also earn less than men. In 2011, women's earnings were 77% of men's among full-time year-round workers ages 15 and over (U. S. Census Bureau 2012), a gap that is only a few percentage points smaller than it was in the mid-1990s when the decline in the gap began to slow substantially (Blau and Kahn 2006; U.S. Census Bureau 2012). Gaps persist within age and educational categories as well. For example, in 2011, women's earnings were 74% of men's among full-time year-round workers 25 and over with a bachelor's degree (U.S. Census Bureau A. Kroska ()