Insurer participation in the Obamacare exchanges has declined by 27 percent since the year before the Affordable Care Act took effect, according to a report from the Heritage Foundation.

Three hundred ninety-five insurers offered individual market coverage in 2013, just before the Affordable Care Act took effect, according to the report. That number dropped to 253 in 2014 and ticked up to 305 in 2015. The number of insurers dropped again to 287 in 2016, a decline of 27 percent from the 395 participating insurers in 2013.

“Another measure is to assess changes in insurer participation on a state-by state basis,” the report stated. “Relative to 2015, 45 percent of the states (22 states and the District of Columbia) have fewer insurers offering exchange coverage in 2016, while only 10 states have more insurers offering ACA exchange coverage.”

The report analyzed the number of unique carriers offering exchange coverage in one or more states over the years. “By that metric, insurer exchange participation not only declined in 2016, but also is now less than in 2014,” the report states. “At the national level, the number of carriers offering exchange coverage in one or more states was 154 in 2014, increasing to 155 in 2015, but declining to 137 in 2016.”

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