This chart shows inequality between workers at the top, middle, and bottom of the wage distribution. The 90/10 ratio shows hourly wages for those at the top (the 90th percentile) relative to those at the bottom (the 10th percentile). The 90/50 ratio shows the hourly wage for those at the top relative to those in the middle (50th percentile). Finally, the 50/10 ratio shows wages for those at the middle relative to those at the bottom.