The chart below shows the number of households in the US by their 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 US

households

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in five annual

income

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categories: less than $25,000, $25,000–$49,999, $50,000–$74,999, $75,000–$99,999, and $100,000 or more in the

years

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2007, 2011, and 2015.

Overall

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, the data indicates that

households

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earning $100,000 or more experienced a consistent increase,

while

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those earning less than $25,000 showed a decline. The other

income

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groups fluctuated slightly over the three

years

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. In 2007,

households

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earning less than $25,000 were around 27

million

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, but

this

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figure steadily decreased to roughly 24

million

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in 2015.

Conversely

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,

households

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earning $100,000 or more rose significantly from approximately 24

million

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in 2007 to 30

million

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in 2015, making it the largest

income

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group by the end of the period. The $25,000–$49,999 and $50,000–$74,999

income

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categories remained relatively stable, fluctuating slightly over the

years

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but showing no major trends. Meanwhile, the $75,000–$99,999 group experienced minor growth, reaching close to 16

million

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by 2015. In conclusion, the chart highlights a growing trend in higher-

income

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households

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over the

years

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, with a corresponding decline in lower-

income

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groups.