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 where relevant.

The bar chart illustrates the number of residents in the US in four levels of their earnings during a year, in 2007, 2011 and 2015.

Overall

, in 2015, people earned more money, compared to the other two years. And fewer majority of households had higher

level

salaries in 2011 in

this

comparison.

According to

the figure, in 2007 the number of people with more than $100,000 of annual income was about 30

million

, which diminished by about 2

million

, four years later.

However

,

this

majority had a notable rise and reached about 33

million

in 2015. The second

level

of salary, which is 75,000 to 99,999 in US Dollars, fluctuated around 15

million

residents.

In addition

, the number of households with yearly earnings of $50,000 to $74,999 stabilized in mentioned years. As can be seen, the population of people who earned between $25,000 and $49,999 was about 26

million

in 2007, and it increased sharply by about 4

million

in 2011, but it experienced a slight diminish and accounted for about 28

million

in 2015. The fifth

level

contained the occupants with the lowest wage, which was less than $25,000 it was 25

million

in 2007 and changed almost the same as the fourth

level

.