The chart illustrates the data of US households according to their annual income in three different years 2007, 2011, and 2015.
Overall, residencies across all income brackets in this country experienced an upward trend throughout the period, expect for those earning between $50,000 and $74,999, whose revenue remained unchanged. Notably, families earning between $75,000 and $99,999 a year were consistently at the bottom of the list.
In 2007, those with annual compensations under $25,000 numbered just over 25 million, a figure considerably higher than $50,000-$74,999 (21 million) and $75,000-99,999 (14 million) but beneath those earning $25,000-$49,999 (27 million) and over $100,000 (29 million). Four years later, there was a decline for the wealthiest homes to 26 million, the next wealthiest to 14 million and noticeable rises of around 3 million for the lower income brackets. Only the middle-income group was unchanged throughout the surveyed time period.
By 2015, the number of very wealthy households had surged to 33 million while the two lowest earning demographics fell slightly by about a million each to finish around 26 million. There was a moderate rise for the second highest earning households to end the period at precisely 15 million in total.