A comparison of U.S. Census data for 2013 and 2014, released in early 2016, shows that a greater portion of Americans in each state had health insurance in the more recent year. Nearly 8.5 million individuals gained health insurance coverage between 2013 and 2014. In 2014, all the provisions of the Affordable Care Act designed to increase access to affordable insurance were in place for states. Some states, however, decided not to expand income eligibility for Medicaid to 138 percent of the federal poverty level as the Supreme Court ruled in 2012 was the prerogative of the states, not Congress. The states that showed the greatest increase in coverage between 2013 and 2014 were states that expanded Medicaid income eligibility.