Southern Governors Hurting Their Own - The map shows the 23 states that have chosen not to expand Medicaid coverage under the Affordable Care Act, even though the federal government pays almost the entire bill. The pie chart shows that 79 percent of the people who will be denied health care coverage because of state refusal to expand Medicaid live in the south. The information comes from a new Kaiser study, The Impact of the Coverage Gap in States not Expanding Medicaid by Race and Ethnicity.