The bar chart illustrates the figures of families in 5 different groups separated by their earnings in the United states in 3 different years.
Overall, it is clear that the annual income in all five categories had been rised in 2015 compared to first year. Although, it is noticeable that the number of families which have annual income between 75,000 to 99,999 remain constant during the given period.
In 2007, almost 30 millions of American households had yearly income 100,000$ or more, which was the highest amount in that year. Also, nearly 15 millions of families earned half of that figure for the same year. Meanwhile, approximately 72 millions of the US households had income from less than 25,000$ to 74,999$ yearly. Four years after that, the number of households which earned between less than 25,000$ and 25,000-49,999$, rose rapidly until getting to highest record. However, the figures for families with 50,000-74,999$ income remain constant, and families by yearly income between 75.000-99,999$ and 100,000$ or more, had a small decline in numbers.
As regards to the chart, in last year, the number of households with highest amount of income, experienced a dramatic rose and reaching the peak at almost 33 millions. by a little rose, 15 millions of the US people earned 75,000-99,999$, meanwhile the figures for families with 50,000-74,999$ income remain steady. The other two groups, with a slight decrease, stay under 30 millions households.