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(Income in 1997 dollars)
|Measures of Income Dispersion||1997||1996||1995 1/||1990||1985||1980 2/||1975 3/||1970||1968||1967|
|Household Income at Selected Percentiles|
|20th percentile upper limit||15,400||15,107||15,165||15,350||14,916||14,736||14,351||14,328||14,147||13,264|
|80th percentile upper limit||71,500||69,576||68,585||67,792||65,347||61,821||58,534||56,976||54,017||52,355|
|95th percentile lower limit||126,550||122,283||119,006||116,351||109,282||100,434||93,333||90,074||84,507||84,008|
|Household Income Ratios of Selected Percentiles|
|Mean Household Income of Quintiles|
|Shares of Household Income of Quintiles|
|Gini coefficient of income inequality||0.459||0.455||0.450||0.428||0.419||0.403||0.397||0.394||0.388||0.399|
1/ Reflects 1990 census population controls first implemented in 1993, 1990 census sample redesign, a change in data collection method from paper-pencil to computer-assisted interviewing (CAI), and changes in income reporting limits. For detailed information concerning the impact of these changes, see Current Population Reports, Series P60 -191, "A Brief Look at Postwar U.S. Income Inequality."
2/ Reflects 1980 census population controls first implemented in March 1980.
3/ Reflects 1970 census population controls first implemented in March 1972.
Source: U.S. Bureau of the Census, March Current Population Survey. Data not available prior to 1967.