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 shows information about the income of US households from 2007 to 2015

Overall,the households whose income values around $50,000 to $99,999 had been stable for 8 years while the groups below $49,999 and above $100,000 experienced volatility. However,the $75,000 to $99,999 wasn't as noticeable, while those with income of over $100,000 had a larger number

During 2007,there were 25 million households with income less than $25,000, while those earning between $25,000 and $49,000 were slightly higher. And by 2015, both increased to approximately 28 million households

The number of households within the $50,000 to $99,999 income range was lower in comparison. The figures remained consistent throughout the years with around 21 million households in the $50,000 to $74,000 group and around 15 million for the $75,000 to $99,999 group

And the highest income group,over $100,000,went through the most drastic change. This group came from nearly 30 million to hit peak at around 34 million in 2015,despite the slight decrease in 2011

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