This article provides a more complete view of the concentration of wealth than the isolated presentation of the 2009 statistics:
According to the Congressional Budget Office, between 1979 and 2007 incomes of the top 1% of Americans grew by an average of 275%. During the same time period, the 60% of Americans in the middle of the income scale saw their income rise by 40%. Since 1979 the average pre-tax income for the bottom 90% of households has decreased by $900, while that of the top 1% increased by over $700,000, as federal taxation became less progressive. From 1992-2007 the top 400 income earners in the U.S. saw their income increase 392% and their average tax rate reduced by 37%. In 2009, the average income of the top 1% was $960,000 with a minimum income of $343,927.
In 2007 the richest 1% of the American population owned 34.6% of the country's total wealth, and the next 19% owned 50.5%. Thus, the top 20% of Americans owned 85% of the country's wealth and the bottom 80% of the population owned 15%. Financial inequality was greater than inequality in total wealth, with the top 1% of the population owning 42.7%, the next 19% of Americans owning 50.3%, and the bottom 80% owning 7%. However, after the Great Recession which started in 2007, the share of total wealth owned by the top 1% of the population grew from 34.6% to 37.1%, and that owned by the top 20% of Americans grew from 85% to 87.7%. The Great Recession also caused a drop of 36.1% in median household wealth but a drop of only 11.1% for the top 1%, further widening the gap between the 1% and the 99%.
During the economic expansion between 2002 and 2007, the income of the top 1% grew 10 times faster than the income of the bottom 90%. In this period 66% of total income gains went to the 1%, who in 2007 had a larger share of total income than at any time since 1928.
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