2018 Obamacare Health Insurance Exchanges: Competition and Choice Continue to Shrink
The 2018 plan year is the fifth year of operation for the Affordable Care Act (ACA, known as Obamacare) health insurance exchanges. For the third year in a row, insurer participation has declined. Obamacare exchange customers in more than half of all U.S. counties—including all counties in 10 states—have no insurer choice. State-Level Insurer Competition in the Exchanges
Source: heritage.org