Impact of Medicaid expansion on mortality in the U.S. 2014-2017, by state

Cumulative impact of Medicaid expansion on mortality among older adults in the U.S. from 2014 to 2017, by state

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Release date

November 2019


United States

Survey time period


Age group

55-64 years

Supplementary notes

Note: Older adults are those aged 55 to 64 at the onset of the study period, 2014.
Omits the District of Columbia, Massachusetts, New York, and Vermont, because they expanded Medicaid prior to 2014 and are therefore excluded from the analysis.

* Some states expanded Medicaid to low-income adults effective after January 1, 2014: Michigan (April 2014), New Hampshire (August 2014), Pennsylvania (January 2015), Indiana (February 2015), Alaska (September 2015), Montana (January 2016), Louisiana (July 2016), Virginia (January 2019), and Maine (January 2019). In these states, estimates represent lives saved over the first four years with expansion fully in effect.
** Estimates for Idaho, Nebraska, and Utah are lives lost from 2014 to 2017. These states have adopted Medicaid expansion but have yet to implement it.

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