The number of people insured under the ACA in each state varies. But the state with the largest number of residents on marketplace insurance plans is Florida. About 4.7 million Florida residents are covered through these plans, representing 27% of the state’s under-65 population, compared to the national average of 8.8%. Of those on marketplace plans, 98% receive a subsidy at some level. There are several reasons why this rate is so much higher in Florida than elsewhere.
