Impact of first ACA open enrollment on adult uninsured rate by age group 2014

This statistic displays the percentage of U.S. adults without health insurance before and after the first ACA open enrollment 2013-2014, by age group. From July to September 2013, 28 percent of adults between 19 and 34 years of age were uninsured. After the first enrollment period of the Affordable Care Act between October 2013 until March 2014, the share of uninsured working-age adults decreased dramatically. During this time, approximately 14 million citizens chose a private insurance or enrolled in Medicaid.

Impact of the first ACA open enrollment on the rate of U.S. adults without health insurance 2013-2014, by age group

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Release date

July 2014


United States

Survey time period

July to September 2013; April to June 2014

Number of respondents

2013 n=6,132; 2014 n=4,425

Age group

19-64 years

Method of interview

Telephone interview

Supplementary notes

* The Affordable Care Act’s (ACA) first open enrollment period for health insurance coverage lasted from October 2013 through March 2014.

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Statistics on "Americans without health insurance"

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