The provided bar chart presents data on the number of households in the U.S. and their yearly earnings for the years 2007, 2011, and 2015.
Overall, various trends can be observed in the proportion of U.S. households and their income over this time period. Notably, families earning more than $100,000 showed the highest numbers, while the proportion of households earning between $75,000 and $99,999 indicated the lowest figures over the three years.
In detail, the number of households earning $100,000 or more fluctuated over the eight-year period, culminating at approximately 34 million households in 2015. Similarly, the category of households earning between $75,000 and $99,999 started with nearly 15 million in 2007 and ended at exactly 15 million at the close of the bar chart.
Regarding households with annual earnings between $25,000 and $49,999, there was a slight increase of approximately 3 million by 2011, reaching a peak of 28 million before ultimately settling at just over 26 million. The number of families earning less than $25,000 experienced a substantial surge, reaching 28 million in 2011 and remaining unchanged over the next four years. This figure was significantly higher than that of households earning between $25,000 and $49,999, which stood at around 10 million.