The given bar graph illustrates the rate of households in the United State of America for the following years (2007, 2011, 2015) of their five annual incomes (less than $25,000, $25,000-$49,999, $50,000-$74,999, $75,000-$99,999, and $100,000 or more). The units are measured in millions.
From an overall perspective, the highest annual income was shown in 2015 with $100,000 or more and over 30 millions of households. whereas, the less annual income was in 2011 with less 15 millions and around $75,000-$99,999.
With regards to the year 2007, there were 25 millions of US households with an income less than $25,000 and reached over 25 millions in the year 2011 to decrease slightly in 2015. In addition, there were over 25 millions of US households in 2007 with an income between $25,000-$49,999, increased gradually in 2011 to peak 30 millions and a slight decrease in 2015 to reach less than 30 millions.
In comparison, the annual income of $75,000-$99,999 remained stable at 20 millions over the period given.
However, $100,000 or more annual income reached around 30 millions in the year of 2007, as opposed to the year of 2011 there was a decrease to less than 30 millions and a rapid increase to reach over than 30 millions in the year of 2015.