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Health Policy in Brief

An RWJF Collection

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Why the Individual Mandate Matters

What would the ACA look like if its individual mandate were stripped off? A report shows that the number of uninsured would be cut 50 percent if the mandate is left in place—20 percent without the mandate.

This paper compares cost and coverage estimates for the nonelderly population if the ACA were implemented as passed, but the individual mandate was eliminated. For ease of comparison, these scenarios are simulated as if they were fully implemented in 2010.

Key Findings

  • The number of uninsured would be cut by 27.8 million with the mandate, but by 10.1 million without the mandate.

  • Government spending on acute care for the nonelderly would increase by $69 billion under the ACA but would still rise by $50 billion if the mandate were eliminated. The latter situation occurs because without the mandate the government is still covering the less healthy uninsured.

  • Uncompensated care would decline by $42.4 billion under the ACA, but by $14.7 billion under reform without a mandate because of the large number of people remaining uninsured.

  • Overall health system spending would increase by $53.1 billion, or 4.5 percent, under the ACA and would decrease by $10.2 billion, or 0.9 percent, if the mandate were dropped.

The authors contend that, based on their findings, the individual mandate is an essential component of the overall package, working with the Medicaid expansion, insurance exchanges, premium subsidies, and market reforms to achieve the law’s goal of greatly reducing the number of uninsured. The finding that uncompensated care costs are much higher without the mandate suggests that individuals who would be uninsured without the mandate are essentially free riders shifting the costs of their care onto the rest of society.

This paper was prepared by researchers at the Urban Institute as part of the Quick Strike Series.

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