Nearly all of the states will require or encourage compliance with health insurance market reforms, and every state will have an exchange (although some have chosen to let the federal government run their marketplaces). According to the Commonwealth Fund, these 10 states have done the most to implement the reform law. They have set up their own exchanges, expanded Medicaid and enacted all or nearly all of the insurance market reforms.
1. California
2. Colorado
3. Connecticut
4. Hawaii
5. Maryland
6. Massachusetts
7. Minnesota
8. New York
9. Oregon
10. Vermont
