Why does income inequality matter? Inequality may be inevitable, but its extent is not. Nations vary considerably in their extent of inequality, whether defined by income, wealth, gender, race, ethnicity, health, or else. Inequality shapes people’s present lives and future prospects. Knowing more about inequality allows people to, among other things, better understand their place in society, how people live, and why people act and perform differently. This quiz reveals some basic facts about income inequality in the United States.

Note: Special thanks to Learning Life intern, Kane Boynton, for conducting the research for this quiz, and writing up the quiz questions and answers.