The chart below shows the number of households in the US by theis annual income in 2007, 2011, and 2015. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The bar chart illustrates the number of citizens in four different groups which are categorised by their income in the years 2007, 2011 and 2015. The unit on the Y-axis is shown in millions.

Overall

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,

it is clear that

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individuals mostly earned incomes around $0-49,999 and more than $100,000.

Moreover

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, only several people who are in the $75,000-$99,999 group. Looking in the first group, less than $25,000, was 25 and noticeably rose up to just under 30 in the next four years,

besides

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, it minimally dropped to nearly 28 in 2015. The second group, $25,000-$49,000, had the same trajectory as the previous. It started at 27 and went up to 30 before slightly jumping down to 29

at the end

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of the record.

Additionally

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, the $50,000-$74,999 section stayed constant throughout the period.

Furthermore

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, the volume of individuals who had $75,000-$99,999 fluctuated from approximately 15 in 2007 to exactly 15 in 2015.

Lastly

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, the population of highest salary citizens was roughly 30 in 2007 and

then

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dramatically oscillated to 33 in the

last

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year.