Inequalities that use < or > symbols are plotted with a dashed line to show that the line is not included in the region. Inequalities that use ≤ or ≥ symbols are plotted with a solid line to show that ...

Here's the story of income inequality in America over the past 40 years. Hover over each line to identify household income, and click through to see the percentage growth over the past 40 years. The ...

A fascinating graph by Colin Gordon for Dissent magazine shows the relationship in the United States between union membership and inequality. A fascinating graph by Colin Gordon for Dissent magazine ...