The chart illustrates the number of households in the US, according to their annual incomes for the years 2007, 2011, and 2015.
Overall,what stands out from the chart is that almost all groups experienced an upward trend in household numbers over the period, except for the household earning from $50,000 to $74,999 which remained stable.
To begin with, in 2007, the family had income more than $100.000 which was reported to be nearly 30 million. After four years, this figure slightly declined to about 28 million before growing to approximately 33 million, making it the highest number in the period. Additionally, the income range of $25,000-$49,999, soared from nearly 26 million to 38 million between 2007 and 2015. Similarly, household earning under $25,000 witnessed negligible rise from 25 million to 27 million over the period. Additionally, the $50,000-$74,999 bracket also saw an upward trend, rising from around 10 million in 2007 to nearly 13 million in 2015.
In contrast, the middle-income group was reported to have over 20 million in 2007. This figure remained unchanged to 2015 which was the lowest number in the report.