The chart below illustrates the number of households in the US by their Annual income between 2007, 2011, and 2015.
Overall, it is clearly that had fluctuative movement from each households every year, excluded $50.000-$74.999 because it group had stable remaind. However, $100.000 or more is highest in 2007 than fall in 2011 but steady high in 2015. While both of Less than $ 25.000 and $25.000-$49.999 had the same movement, in 2007 they low than $100.000 or more but in 2011 they more higher than $100.000 or more but fall in 2015 and make it in the same position in 2007. Whereas $75.000-$99.999 had the lower more than others in 2007, 2011, and 2015.
In 2007, $100.000 or more had around 29 million household, this make it more higher than others but in 2011 $25.000 – $49.999 had 29 million household that made it in the first position and $100.000 or more fall in third position at 27 million household. But, in 2015 $100.000 or more increased about 34 million household and it made in highest position. Moreover, $50.000-$74.999 had remaind stable approximantely 21 million household every years whereas, $75.000-$99.999 more lower than other every years around 14 million in 2007 and increased 15 million in 2015.