States and Federal Aid

The graph below is from taxfoundation.org and shows the degree to which states rely on Federal aid.  The post says:

Mississippi, for instance, relied on federal assistance for 42.9 percent of its revenue in FY 2013, the largest share in the country. Also on the high end are Louisiana (41.9 percent), Tennessee (39.5 percent), South Dakota (39.0 percent), and Missouri (38.2 percent). States with heavy reliance on federal grants-in-aid tend to have a combination of modest tax collections (reducing the denominator) and sizable low income populations (correlating with greater per capita reliance on Medicaid, housing assistance, and other low income and poverty relief programming, and with a greater share of federal education support).