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

The bar chart compares the yearly earnings of US

families

for the years 2007, 2011, and 2015. The currency unit was USD.

Overall

, the maximum

number

of

families

earned 1

million

dollars

or more (which is the highest figure) in all these time periods

whereas

the least

number

of households received half or 25000

dollars

less than the highest income. It is clear from the picture that, in 2007, just under 30

million

houses pocketed 100,000 or more

dollars

. Though the

number

of

families

decreased by approximately 3

million

in 2011, the brood

number

soared again in 2015 and picked at slightly below 35

million

.

However

, more interestingly, the

number

of earners remained almost identical earning 75k USD to 99k USD in these three years when the

number

was around 15m.

On the other hand

, the second highest proportion of

families

(a little above 25m) was rewarded by 25000 to 49999 thousand

dollars

while

the

number

remained almost the same for 50k to 75k yearly benefits.