The charts below show 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, and make comparisons where relevant.

The presented bar chart illustrates how much income per year was earned by

the

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US households in 2007, 2011, and 2015.

Overall

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, it can be seen that there has not been much change over the period.

While

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the number of families who earned 100000 USD or more reached a peak

at the end

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of the given time, people who received between $75000 and $99,999 was less than others in all mentioned years. In detail, the number of households earning less than fifty

million

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dollars was between 25

m

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million

and 30

m

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million

in all three years,

while

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by 2011, it reached around 30

million

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.

Moreover

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, the total population of

the

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US families with an annual salary from 50000 USD to $75000 and 75k USD to a hundred thousand dollars was about 20

million

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and almost 15

million

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respectively in all the given time.

Furthermore

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, a group with more than $100000 experienced a gradual rise over the period and reached 33

million

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people, despite a slight decline to 27

m

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million

in 2011.