据世界银行测算：1978年至1994年的16年间，我国城乡家庭人均收入的基尼系数由0.33变为0.434；最穷的20％人口的收入占全部收入的比重由6.28％下降到4.27％；最富的20％人口的收入占全部收入的比重则由39.3％上升到50.24％。国家统计局统计报告显示：1991、1992、1993年占全国 According to the calculation by the World Bank, the Gini coefficient of the per capita income of urban and rural families in China changed from 0.33 to 0.434 in the 16 years from 1978 to 1994; the proportion of the income of the poorest 20% to total income dropped from 6.28% to 4.27%; The proportion of income of the rich 20% of the total income increased from 39.3% to 50.24%. National Bureau of Statistics statistics show that: 1991, 1992 and 1993 accounted for the country