Citizens is the insurer of last resort in Florida and if its reserves are depleted, every policyholder in the state could pay.

The number of policies under Florida’s state-backed Citizens Property Insurance Corporation has dropped to its lowest level in nearly three years as private insurers continue to assume coverage through a state-led depopulation program.

The state’s Citizens Property Insurance Corp. last week shed about 100,000 policies, with its number of customers dropping to the lowest total in nearly three years. Citizens, which was created as an insurer of last resort but ballooned in recent years to become the state’s largest insurer,