Seven states (Alaska, Indiana, Louisiana, Maine, Montana, Pennsylvania, and Virginia) implemented Medicaid expansion between December 2014 and January 2019. Expansion states are designated as such if enrollment began by the start of 2019. Idaho, Utah, and Nebraska implemented Medicaid expansion during calendar year 2020. Missouri and Oklahoma plan to implement expansion in 2021.

Source: Georgetown University Center for Children and Families analysis of U.S. Census Bureau American Community Survey (ACS) 2013-2019 Public Use Microdata Sample (PUMS).