恩格尔系数在我国的适用性问题是学术界重要议题之一。
Engel coefficient refers to the proportion of residents' food expenses of the living expenses.恩格尔系数是指居民食品消费支出占消费支出的比重。
United States 80 years the average Engel's coefficient of 16.45%, and now the United States, Engel coefficient was 14%.美国八十年月的恩格尔系数平均为16.45%,而现在美国的恩格尔系数仅为14%。