How Many Uninsured Are in the Coverage Gap and How Many Could be Eligible if All States Adopted the Medicaid Expansion?

Ten years after the implementation of the Affordable Care Act’s (ACA) coverage options, ten states have not adopted the Medicaid expansion, leaving 1.5 million uninsured people without an affordable coverage option. States that have not implemented the expansion have uninsured rates that are nearly double the rate of expansion states (14.1% compared to 7.5%).