Income Inequality History Graph
S80 s20 is the ratio of the.
Income inequality history graph. This is much longer than other estimates of income inequality allow as is the case with estimates that rely on income survey data. Is seen to be on the rise. Focusing on private income such as earnings and dividends plus cash government benefits we see that the income of families near the top increased roughly 90 percent from 1963 to 2016 while the income of families at the bottom. Historical top income inequality estimates are reconstructed from income tax records and for many countries these estimates give us insights into the evolution of inequality over more than 100 years.
The 90th percentile to the income at the threshold of the bottom 10. Hover over each line to identify household income and click through to see the percentage growth over the past 40 years. One widely used measure the 90 10 ratio takes the ratio of the income needed to rank among the top 10 of earners in the u s. Here s the story of income inequality in america over the past 40 years.
Income inequality can worsen wealth inequality because the income people have available to save and invest matters. The gini coefficient is based on the comparison of cumulative proportions of the population against cumulative proportions of income they receive and it ranges between 0 in the case of perfect equality and 1 in the case of perfect inequality.