Actuarial Value
Actuarial value represents what a plan pays on average across a standard population, not what it pays for any individual. A plan with 70% actuarial value (Silver tier) means the insurer covers 70% of the total expected costs for a typical group of enrollees, while members collectively pay 30% through deductibles, copays, and coinsurance. Individual experience varies widely: a healthy person who rarely uses care may pay very little out of pocket, while someone with high medical needs may reach the out-of-pocket maximum. The ACA requires all marketplace plans to fit into defined actuarial value ranges corresponding to the metal tiers.
Example
Two Silver plans both have 70% actuarial value but achieve it differently. Plan A has a $3,000 deductible and 20% coinsurance. Plan B has a $1,500 deductible but 30% coinsurance and higher copays. Both cover 70% of costs on average, but your actual spending depends on how you use care.
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