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 provide bar chart reveals the amount of

households

in the US by the five categories of their annual

income

in 2007, 2011 and 2015.

Overall

, The

households

earning at least 100,000 displayed the largest figure more than others in both of the three years. Meanwhile, the remainning brackests of

households

presented the relatively steady feature, except to a noticeable fluctuation in 2011. More detail, the largest

group

of

households

with their

income

range

at least 100,000 presented the largest amount in the chart, with a

range

of roughly 30% and about 35% in 2007 and 2015, respectively,

although

there was a slight fluctuation in 2011.

In addition

, in these three years, the middle

income

group

of

households

with its earning

range

between $5,0000 to 99,999, and the lowest

income

group

of

households

of the

range

no more than 49,999 displayed the lowest and second largest result, respectively.

However

, in 2011, the amount of the lowest

income

group

was more than the largest

group

, with its result of nearly 30%, which is more than the number of roughly 27% of the largest

group

.