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

The graph gives data about the number of households in the United States by their annual salary in three different years, 2007, 2011 and 2015.

Overall

Linking Words

, we can see that the biggest figures for houses are reached by the lowest salaries , but

then

Linking Words

by the highest ones. Over the years, it has had a slow evolution;

however

Linking Words

, it has increased. The incomes of most households get ahead of each other as time goes by. In 2007, people with an annual salary of $100,000 or more achieved almost 30

million

Use synonyms

houses,

then

Linking Words

individuals with an income of less than $25,000 and $49,999 had between 25 and 27

million

Use synonyms

.

Finally

Linking Words

, the ones with a salary which goes from $50,000 $74,999 have 21m and from $75,000 to $99,999, only 14m. In 2011, individuals with an annual wage from less than $25,000 to $49,999 overtook those with more than $100,000, achieving between 28 and 30

million

Use synonyms

homes . The others stay very similar. In 2015, the richest part of the population took the first place with 33

million

Use synonyms

,

while

Linking Words

the others continued staying in a similar situation.