The chart below shows the number of households in the US by their annual income in 2007, 2011 and 2015. Summarise the information by selecting and reporting the main features, andmake comparisons where relevant.

The bar chart compared the number of families in the UN by their annual income in three different periods(2007, 2011,2015).

Overall

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, as can be seen from the graph the annual earnings of United States people increased by the end of the period, with significantly more households in both the highest and the two lower incomes more than the two middle-income. In terms of the number of individuals who earned between 50k to 75k and over 75k but less than $ 100,000, they remained stable throughout

this

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period(just over 20

million

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and close to 15

million

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respectively).

By contrast

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, the population whose salary is more than 99k with significant growth. from approximately 29

million

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in 2007 and increased to more than 30

million

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and close to 35

million

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in 2015. At the same time the figure of US residents whose wages under 50K generally rose to nearly 30

million

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in 2011, which decreased by almost 2

million

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at the end

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of the period.