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 given bar chart illustrates information about the number of households categorized by yearly income in the United States in three different years 2007, 2011 and 2015.

Overall

,

it is clear that

the whole percentage increased slightly by the end of the period. Meanwhile, none of them were follow a similar trend in the given years. As is shown by the chart, the number of individuals who earned between $50,000 and $74,999 and

moreover

, whose earnings were over $74,999 and less than $100,000 stayed constant throughout the period, which were just over 20

million

and nearly 15

million

, respectively.

By contrast

, the US citizens whose salary is more than $99,999 accounted for the must increase among other categories which is from 30

million

in 2007 to around 34

million

in 2015.

Furthermore

, the figure for the population whose wage is under $50,000 experienced significant growth by about 4

million

in 2011,

while

it decreased to 28

million

in 2015 , the end of the period.