Analysis of Medicare Advantage (MA) enrollment data from March 2015 and March 2016 showed that national enrollment in MA and other prepaid plans increased from 16.7 to 17.6 million enrollees (from 31.1% to 31.5% of eligible beneficiaries). This 5.5% national growth rate is significantly lower than that seen in previous years. During the same period, non-metropolitan enrollment in MA and other prepaid plans increased from 2.1 to 2.2 million enrollees (from 21.2% to 21.8% of eligible beneficiaries). The non-metropolitan growth rate of 5.3% is also significantly lower than that seen in previous years.