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美国是世界上最富的国家之一,但也是贫富差异很大的国家之一。美国的居民阶层构成大体是:一、贫困层(生活在贫困线以下)。有居民3500万人,约占全国居民的15%。再加上靠政府救济的人,总数达5600万人,约占全国居民的1/4。这个阶层的家庭年收入平均为6000多美元。这个阶层的总收入不足全国国民收入的10%。二、中等收入层。居民总数约一亿多人,约占全国居民的50%,家庭年收入平均18000美元。总收入占全国国民收入的25%。三、富有阶层。居民约五千万人,占全国居民的20%,家庭年收入平均35000至6万美元之间。总收入占全国国民收入的35%。
The United States is one of the richest countries in the world, but it is also one of the countries with great differences between the rich and the poor. The composition of the residents in the United States is generally as follows: 1. The poor (live below the poverty line). There are 35 million residents, accounting for about 15% of the national population. In addition, the number of people relying on government relief amounts to 56 million, accounting for about one-fourth of the national population. The average household income of this class is more than 6000 US dollars. The total income of this class is less than 10% of national national income. Second, the middle income layer. The total number of residents is about 100 million, accounting for about 50% of the country’s residents. The average family income is 18,000 US dollars. Total income accounts for 25% of national income. Third, rich class. There are about 50 million inhabitants, accounting for 20% of the country’s residents. The family’s annual income averages between 35,000 and 60,000 U.S. dollars. The total revenue accounts for 35% of national income.