According to the South African Institute of Race Relations, white percapitapersonalincome is nearly eight times higher than that of black South Africans.
Among the 20 areas where percapitapersonalincome fell furthest, six were in Texas, where declines in energy prices slowed oil and gas drilling activity.
After Michigan adopted its income tax, it personalincomepercapita fell from 129.97% of the U.S. average to 88.8% by 2009, a decline of 41 percentage points.