Chicago's uneven distribution of wealth is a motivating factor for violence. Statistics from the 2009 American Community Survey show that the average white person in Chicago earns $63,625 annually. According to the same study, blacks in Chicago made an average of $28,725, which equates to 45 cents on the dollar compared to the average white person's salary. To say that this leaves blacks at a disadvantage would be a gross understatement.
Think Progress published a study conducted by the Harvard University School of Public Health that showed a connection to homicide rates and income inequality in each state and the District of Columbia. In every instance where income equality was higher, so was the murder rate. The study highlighted that "74 percent of the variance in murder rates and half of the aggravated assaults" could be explained by income inequality. Furthermore, A World Bank study also asserted that this truth is widespread— uneven distribution of wealth and resources were linked to higher homicide rater across the globe.
Income inequality has been on the rise in the U.S. since 1979, and as long as the gap between the rich and the poor remains, the homicide rate in Chicago will likely continue to climb.