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

The given chart illustrates the

number

of American

families

by their yearly income in three different years (2007, 2011, and 2015).

Overall

, in 2015, annual earnings in the US increased compared with the

number

in 2007.

To begin

with, in 2007, people who got less than $25,000 started at 25

million

families

, meanwhile, in 2015, the family earned more, and the total climbed up to more than 25

million

. The total of

families

that had annual earnings of around $25,000-$49,999 witnessed an increase in 2015. The same

number

saw on the family had income around $50,000-$74,999.

Furthermore

,

families

with a salary of $75,000-$99,000 slightly rose to 15

million

.

Finally

, the

number

of US households earning more than $100,000 dramatically showed up to approximately 35

million

.

However

, the

number

of American

families

in 2011 fluctuated, and the highest was shown by people with incomes around $25,000 -$49,000,

while

the lowest saw by groups with incomes around $75,000-$99,000.