November 23, 2015
Source: Health Care Foundation
Originally intended to be a mandatory requirement, the June 2012 Supreme Court ruling effectively made Medicaid expansion optional for states. To finance the expansion, states receive 100 percent federal matching funds through 2016, 95 percent federal match in 2017, 94 percent in 2018, 93 percent in 2019, and 90 percent in 2020 and beyond. As of October 2015, 31 states had adopted the ACA Medicaid expansion.