The bar chat illustrates the number of household by their annual income in the US in three different years (2007, 2011 and 2015) measured in millions. Overall, i can be seen that, despite some fluctuations there is a reasonable increase in annual income over the period.
Firstly, households that earned 100,000 dollars or more stood at around 30 million in 2007, which goes down to 27 million later in 2011, before it bounce back to around 33 million in 2015. while, households with less than 25,000 dollars and those with 25,000-49,000 dollars show similar trend, initiated with 25 million and 27 million in 2007, moved up to reached 29 and 30 million in 2011, before it stumbled down a little bit to around 28 and 29 respectively.
However, 25,000-49,000 dollar annual income household maintained almost the same trend through out period. while a slight downward trend was observed with 50,000-74,999 dollars annual income household in 2011.
