During 2015, the growth in both individual-market and employer-group coverage resulted in a net increase in private-market coverage of 2 million individuals. For individual-market policies, enrollment increased by a bit more than 1.12 million individuals. For the employer-group-coverage market, enrollment in fully insured plans declined by 932,000 individuals, while enrollment in self-insured plans increased by 1.86 million individuals. The net effect of those changes was an increase of 926,000 in the number of individuals with employer-sponsored coverage in 2015.
Public program enrollment in Medicaid and the Children’s Health Insurance Program (CHIP) increased by almost 2.77 million individuals in 2015. As in 2014, the change in Medicaid enrollment in 2015 differed notably between states that adopted the ACA’s Medicaid expansion and states that did not. States with the ACA’s Medicaid expansion in effect experienced Medicaid enrollment growth of almost 2.13 million people, while in the states without the expansion in effect, Medicaid enrollment grew by 640,000 individuals.
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