The bar chart illustrates the number of households in the US by their annual income in 2007, 2011 and 2015.
Overall, it can be clearly seen that the number of households earning $100,000 or more increased over the period, while the number of households earning $25,000-$49,999 decreased over the period. In addition, the $50,000-$74,999 remained stable across the period.
In detail, in 2007, the number of households earning started at about 25 million in less than $25,000. Then it increased gradually to just below 30 million in 2011, after that in 2015, it slightly decreased to 26 million. In 2007, the number of households earning was 23 million in $25,000-$49,999, then it slightly rose to 30 million in 2011. However, in 2015, it slowly declined to 26 million. After that, the number of households earning remained unchanged at 21 million in $50,000-$74,999 through three years. In 2007, number of households earning was 14 million in $75,000-$99,999, while in 2011 it slightly declined to 13 millions. In contrast, in 2015 reached to 30 millions. Finally, the number of households earning was 29 million in 2007 in $100,000 or more, after that it declined to 25 million. However, in 2015, it reached to peack point and it was just below 35 million.
