Here are the 10 states with the least competitive commercial health insurance markets, according to the report.
1. Alabama
2. Hawaii
3. Michigan
4. Delaware
5. Louisiana
6. South Carolina
7. Alaska
8. Illinois
9. Nebraska
10. North Dakota
Data used in the AMA study was based on 2012 commercial enrollment in fully and self-insured plans and participation in consumer-driven health plans.
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