The chat illustrate the annual income of the household members living in United States. The units are measured in millions.
Overall, the chart depicts the constant income earned by the people over the span of years. There is a slight increase in the various categories of income, but the increase is insignificant. From that we can learn that this sector has not been developed over time.
In the year 2007 the people lying in the slap of less than $25,000 were 25 Million (M), which gradually increased to 29M, and then decreased to 27M in the year 2015. Talking about the group of $25,000-$49,999, the graph shows a bell shape curve as it climbs up to 30M from 26M in 2017 and the climbed back to 28M in 2015. Whereas the bracket of $50,000-$74,999 remained almost constant to 21M, and the slap of $75,000-$99,999 consist of least number of people, in 2007 the income of 14M household lye between this kind, which decreased to 13M in 2011, and after that it climbed back to 15M in 2015
On the other hand, the range of $100,000 consist the most number of citizens. In 2007 it was at 29M which increased to 33M in 2015 with a little decline in 2011at 27M