Perhaps sign-ups on the Affordable Care Act's exchanges are lagging, but, as explained in this article by Sabrina Tavernise, in states that have accepted the Act's medicaid expansion, the Act is providing health insurance to many people who previously lacked it. "In West Virginia," for example, "where the Democratic governor agreed to expand Medicaid eligibility, the number of uninsured people in the state has been reduced by about a third."
