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, and make comparisons when relevant.

The following bar graph provides information on the

number

of

households

in the US grouped by their annual

income

in the course of year on 2007, 2011, and 2015. A cursory look at the graph shows that the

number

of

households

experienced a slight increase over these years

while

their share on grouping by annual

income

had no change. In 2007,

families

with an annual

income

of more than 100000$ had the biggest share with nearly 30

million

families

. After that, the

number

of

families

with less than 25000$ in annual

income

and the

number

of

families

with 25000$ up to 49999$ in annual

income

had nearly the same population and both of them approximately has 25

million

. The

households

with annual

income

between 50000$ and 74999$ stood in the next place and included 20

million

families

. In the

last

position, the

households

with annual

income

between 75000$ and 99999$ stood with nearly 15

million

families

. These situations had small changes in 2011 and 2015. Only the

number

of

households

with an annual

income

of more than 100000$ had a decreasing trend in 2011 in comparison with

households

with an annual

income

of less than 50000$ , but they came back in the first position again in 2015.