Findings
Graph EW-5, Percent Change in Quintile Shares Since 1967
Source: www.census.gov, "Money Income in the United States: 2000"
This graph represents the percent changes in wealth from 1967 to 1999 within the U.S. population which has been divided into fifths or quintiles. It shows a fairly steady increase for the top 20% and a fairly steady decrease for the bottom three quintiles over that period of time.