The chart below shows the number of households in the US by their annual income in 2007, 2011 and 2015.

The provided bar chart compares the United States

households

’ quantity in five ranges of earnings over a 7-year

period

.

Overall

, the

number

of

households

with lower incomes and the highest

income

increased

at the end

of the study

period

,

while

the

number

of

medium earned

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medium-earned

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households

remained unchanged during the studied

period

. In 2007, 25

million

and 27

million

of

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the

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US

households

earned less than $25,000 and $25,000 - $49,000 respectively.

Also

, 20

million

had a

medium

income

from $50,000 to $74,999.

Furthermore

, more than the

medium

income

$

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75,000 - $99,000 was earned by the least

number

of

households

about 15

million

,

however

the highest

income

, more than $100,000 was earned by the most

number

of

households

about 29.5

million

. Notably, these trends continued to the end of the studied

period

.

Repeatedly in

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In

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2015, the most

number

of

households

about 34

million

had the most earnings.

Also

, the

households

, who earned

medium

or more than

medium

money almost, remained unchanged.

Finally

,

households

with the lowest or more than the lowest

income

increased, reaching 26

million

and 26.5

million

respectively in 2015.