The bar chart provides information about number of US households, measured in millions, by annual income in the years of 2007, 2011 and 2015.
Looking from an overall prespective it is readibly apparent that annual income of households in US, defined as 50,000 to 74,999 dollars and 75,000 to 99,999 dollars, remained almost stable during the entire period. However, annual income in the ranges of less than 25,000, 25,000 to 49,999, and 100,000 dollars or more showed a gradual growth throught the period, with minor changes in the middle.
The figure of households whose annual income was 100,000 dollars or more declined slightly from around 29 million in 2007 to 27 million in 2011, before becomeing the domiment in 2015 by increasing at around 33 million. On the other hand, anuual income of households in the ranges of less than 25,000 and 25,000 to 49,999 gradually increased from 25 and around 26 million in 2007 to 28 and 29 million in 2011 respectively, before droping to 27 and 28 million in 2015.
In contrast, the households, whose annual income was 50,000 to 74,999 and 75,000 to 99,999, remained almost stable during the entire timeline at around 22 and 15 million respectively. Although, a small drop can be seen in 2011 at 14 million for hoseholds whose annual earning was around 75,000 to 99,999.