WASHINGTON – A new study estimates that more than 10 million adults gained health insurance by midyear as the coverage expansion under President Barack Obama's law took hold in much of the country.
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The study published Wednesday in the New England Journal of Medicine found that the share of Americans ages 18 to 64 without insurance dropped by a little more than 5 percentage points.
States that embraced the law's Medicaid expansion saw significant coverage gains among low-income uninsured people. About half the states have expanded.
The law offers subsidized private insurance for middle-class people who don't have access through their jobs and expanded Medicaid for low-income adults.
The latest study results are in line with findings by Gallup and with estimates from the Congressional Budget Office.