The provided image illustrates 3 graph from year 2007,2011, and 2015 depicting thethe annual income of US household in millions. Starting with the year 2007, the majority of US household nearly 30 million are earning $100,000 or more. The second place has been backed by nearly 27 million households, earning about $25000-$49000 annualy, further the third place goes to 25 million households earning less than $25000. Last 2 places goes to nearly 20 million and 15 million households, earning about $50000-$74999 and $75000-$99999 respectively.
In year 2011 their is a massive increase in the number of households earning $25000-$49000 increasing to nearly 30 million households, highest among other. Households below $25000 have also been increased nearly 28 million. Surprisingly their seems no change in the household number of earning $50k-$74k , maintining a nearly 21 households. There has been a decrease in number of household earning more than $100k dropping to nearly 27 million households. The least has been again turned out to be 14 million households earning $75k-$99k showing a decrease in households number as compared to 2007.
Lastly in year 2015 The majority has once again became the $100k and over earning households, nearly 33 million. Their has been a small decrease in household earning less than $25k now becoming nearly 27 million. The third majority has been nearly 27 million households, earning $25k-$49k also making a decrease as compared to 2011. The $50k-74$k households still hold the population of about 21 million. Lastly the least number of households have been backed by nearly 16 million household having an annual income of $75k-$99k.