The bar graph illustrates the number of houses in the US regarding to their yearly income in the different years 2007, 2011 and 2015.
Overall, anuual income which is less than 25000$ had approximately the highest number of households over the observed period, whileas the salary which is 100000$ or more recorded the lowest values.
In 2007, the salary which is less than 25000$ had the smallest number of households which is 25 millions, in comparison to the other two years, 2011 and 2015, which had nearly 27 millions and 26 millions, respectively. For the incomes between 25000 and 50000 and 100000 or more, the number of houses fluctuated slightly overall the given period, reached a peak of 30 millions and nearly 34 millions houses, respectively.
On the other hand, the both bars represent the incomes which ranging between 50000 and 100000, remained steady over the observed period, ranging between 15 and 20 millions of households.
