All corners of the United States help headline anew poll from Gallup that examines changes touninsured rates since January 2014, when PPACA's individual mandate provision took effect. Arkansas andKentucky saw the sharpest decline in uninsured adult residents,with decreases of 10.1 and 8.5 percent respectively. Rounding outthe top five states were Delaware (a -7.2 percent change),Washington state (-6.1 percent) and Colorado (-6.0 percent).

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These states may span the length of a U.S. map, but they do have a few commonalities: Allfive chose to expand Medicaid, and four of the five set up theirown state-based health insurance exchanges. (Arkansas has astate-federal partnership exchange.) Across the board, states thatenacted both of these measures have seen a steeper decline inuninsured rates than states that have not: 4 percent across 21states versus just 2.2 percent across the 29 states that eitherhost a federal exchange or have declined to expand Medicaid.

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These improved insured rates come at a cost, of course. Aprimary objection for states that have chosen not to expandMedicaid is the massive amount of resources a more robust programwill consume. States like Utah have negotiations underway with theCenters for Medicare and Medicaid Services (CMS) to reach moreflexible terms for what an expanded program might look like. If asolution is reached, it may help serve as a blueprint for otherstates reluctant to commit to the expense of more Medicaidenrollees, but eager to provide improved access to healthcare.

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Notably, Kansas (with a federal exchange and no Medicaidexpansion) was the only state to see a significant rise in thepercentage of uninsured, with a growth rate of 5.1 percent. It wasnot the only state that saw any increase, however: Iowa, with bothof these PPACA-approved measures in place, has 0.6 percent moreuninsured adults now than it did at the start of the year.

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Read on to see where each state stands at the mid-yearpoint.

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Note: This data, collected as part of the Gallup-Healthways Well-Being Index, are based onrespondents' self-reports of health insurance status based on thequestion, “Do you have health insurance coverage?”

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Alabama

% Uninsured, 2013: 17.7

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% Uninsured, midyear 2014: 15.1

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Change in uninsured (pct. pts.): -2.6

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Medicaid expansion AND state/partnership exchange in2014: No

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Alaska

% Uninsured, 2013: 18.9

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% Uninsured, midyear 2014: 16.2

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Change in uninsured (pct. pts.): -2.7

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Medicaid expansion AND state/partnership exchange in 2014:No

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Arizona

% Uninsured, 2013: 20.4

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% Uninsured, midyear 2014: 17.2

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Change in uninsured (pct. pts.): -3.2

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Medicaid expansion AND state/partnership exchange in2014: No

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Arkansas

% Uninsured, 2013: 22.5

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% Uninsured, midyear 2014: 12.4

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Change in uninsured (pct. pts.): -10.1

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Medicaid expansion AND state/partnership exchange in2014: Yes

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California

% Uninsured, 2013: 21.6

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% Uninsured, midyear 2014: 16.3

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Change in uninsured (pct. pts.): -5.3

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Medicaid expansion AND state/partnership exchange in2014: Yes

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Colorado

% Uninsured, 2013: 17.0

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% Uninsured, midyear 2014: 11.0

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Change in uninsured (pct. pts.): -6.0

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Medicaid expansion AND state/partnership exchange in2014: Yes

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Connecticut

% Uninsured, 2013: 12.3

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% Uninsured, midyear 2014: 7.4

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Change in uninsured (pct. pts.): -4.9

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Medicaid expansion AND state/partnership exchange in2014: Yes

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Delaware

% Uninsured, 2013: 10.5

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% Uninsured, midyear 2014: 3.3

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Change in uninsured (pct. pts.): -7.2

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Medicaid expansion AND state/partnership exchange in 2014:Yes

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Florida

% Uninsured, 2013: 22.1

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% Uninsured, midyear 2014: 18.9

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Change in uninsured (pct. pts.): -3.2

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Medicaid expansion AND state/partnership exchange in2014: No

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Georgia

% Uninsured, 2013: 21.4

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% Uninsured, midyear 2014: 20.2

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Change in uninsured (pct. pts.): -1.2

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Medicaid expansion AND state/partnership exchange in2014: No

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Hawaii

% Uninsured, 2013: 7.1

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% Uninsured, midyear 2014: 6.9

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Change in uninsured (pct. pts.): -0.2

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Medicaid expansion AND state/partnership exchange in 2014:Yes

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Idaho

% Uninsured, 2013: 19.9

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% Uninsured, midyear 2014: 16.6

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Change in uninsured (pct. pts.): -3.3

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Medicaid expansion AND state/partnership exchange in 2014:No

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Illinois

% Uninsured, 2013: 15.5

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% Uninsured, midyear 2014: 12.3

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Change in uninsured (pct. pts.): -3.2

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Medicaid expansion AND state/partnership exchange in 2014:Yes

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Indiana

% Uninsured, 2013: 15.3

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% Uninsured, midyear 2014: 15.0

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Change in uninsured (pct. pts.): -0.3

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Medicaid expansion AND state/partnership exchange in 2014:No

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Iowa

% Uninsured, 2013: 9.7

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% Uninsured, midyear 2014: 10.3

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Change in uninsured (pct. pts.): 0.6

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Medicaid expansion AND state/partnership exchange in 2014:Yes

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Kansas

% Uninsured, 2013: 12.5

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% Uninsured, midyear 2014: 17.6

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Change in uninsured (pct. pts.): 5.1

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Medicaid expansion AND state/partnership exchange in 2014:No

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Kentucky

% Uninsured, 2013: 20.4

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% Uninsured, midyear 2014: 11.9

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Change in uninsured (pct. pts.): -8.5

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Medicaid expansion AND state/partnership exchange in 2014:Yes

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Louisiana

% Uninsured, 2013: 21.7

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% Uninsured, midyear 2014: 18.4

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Change in uninsured (pct. pts.): -3.3

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Medicaid expansion AND state/partnership exchange in 2014:No

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Maine

% Uninsured, 2013: 16.1

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% Uninsured, midyear 2014: 13.3

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Change in uninsured (pct. pts.): -2.8

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Medicaid expansion AND state/partnership exchange in 2014:No

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Maryland

% Uninsured, 2013: 12.9

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% Uninsured, midyear 2014: 8.4

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Change in uninsured (pct. pts.): -4.5

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Medicaid expansion AND state/partnership exchange in 2014:Yes

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Massachusetts

% Uninsured, 2013: 4.9

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% Uninsured, midyear 2014: 4.9

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Change in uninsured (pct. pts.): 0.0

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Medicaid expansion AND state/partnership exchange in 2014:Yes

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Michigan

% Uninsured, 2013: 12.5

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% Uninsured, midyear 2014: 11.9

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Change in uninsured (pct. pts.): -0.6

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Medicaid expansion AND state/partnership exchange in 2014:Yes

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Minnesota

% Uninsured, 2013: 9.5

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% Uninsured, midyear 2014: 8.8

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Change in uninsured (pct. pts.): -0.7

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Medicaid expansion AND state/partnership exchange in 2014:Yes

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Mississippi

% Uninsured, 2013: 22.4

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% Uninsured, midyear 2014: 20.6

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Change in uninsured (pct. pts.): -1.8

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Medicaid expansion AND state/partnership exchange in 2014:No

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Missouri

% Uninsured, 2013: 15.2

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% Uninsured, midyear 2014: 15.1

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Change in uninsured (pct. pts.): -0.1

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Medicaid expansion AND state/partnership exchange in 2014:No

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Montana

% Uninsured, 2013: 20.7

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% Uninsured, midyear 2014: 17.9

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Change in uninsured (pct. pts.): -2.8

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Medicaid expansion AND state/partnership exchange in 2014:No

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Nebraska

% Uninsured, 2013: 14.5

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% Uninsured, midyear 2014: 13.4

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Change in uninsured (pct. pts.): -1.1

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Medicaid expansion AND state/partnership exchange in 2014:No

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Nevada

% Uninsured, 2013: 20.0

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% Uninsured, midyear 2014: 16.0

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Change in uninsured (pct. pts.): -4.0

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Medicaid expansion AND state/partnership exchange in 2014:Yes

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New Hampshire

% Uninsured, 2013: 13.8

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% Uninsured, midyear 2014: 12.4

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Change in uninsured (pct. pts.): -1.4

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Medicaid expansion AND state/partnership exchange in 2014:No

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New Jersey

% Uninsured, 2013: 14.9

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% Uninsured, midyear 2014: 11.8

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Change in uninsured (pct. pts.): -3.1

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Medicaid expansion AND state/partnership exchange in 2014:No

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New Mexico

% Uninsured, 2013: 20.2

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% Uninsured, midyear 2014: 15.2

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Change in uninsured (pct. pts.): -5.0

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Medicaid expansion AND state/partnership exchange in 2014:Yes

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New York

% Uninsured, 2013: 12.6

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% Uninsured, midyear 2014: 10.3

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Change in uninsured (pct. pts.): -2.3

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Medicaid expansion AND state/partnership exchange in 2014:Yes

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North Carolina

% Uninsured, 2013: 20.4

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% Uninsured, midyear 2014: 16.7

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Change in uninsured (pct. pts.): -3.7

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Medicaid expansion AND state/partnership exchange in 2014:No

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North Dakota

% Uninsured, 2013: 15.0

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% Uninsured, midyear 2014: 13.0

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Change in uninsured (pct. pts.): -2.0

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Medicaid expansion AND state/partnership exchange in 2014:No

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Ohio

% Uninsured, 2013: 13.9

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% Uninsured, midyear 2014: 11.5

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Change in uninsured (pct. pts.): -2.4

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Medicaid expansion AND state/partnership exchange in 2014:No

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Oklahoma

% Uninsured, 2013: 21.4

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% Uninsured, midyear 2014: 17.5

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Change in uninsured (pct. pts.): -3.9

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Medicaid expansion AND state/partnership exchange in 2014:No

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Oregon

% Uninsured, 2013: 19.4

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% Uninsured, midyear 2014: 14.0

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Change in uninsured (pct. pts.): -5.4

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Medicaid expansion AND state/partnership exchange in 2014:Yes

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Pennsylvania

% Uninsured, 2013: 11.0

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% Uninsured, midyear 2014: 10.1

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Change in uninsured (pct. pts.): -0.9

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Medicaid expansion AND state/partnership exchange in 2014:No

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Rhode Island

% Uninsured, 2013: 13.3

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% Uninsured, midyear 2014: 9.3

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Change in uninsured (pct. pts.): -4.0

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Medicaid expansion AND state/partnership exchange in 2014:Yes

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South Carolina

% Uninsured, 2013: 18.7

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% Uninsured, midyear 2014: 16.8

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Change in uninsured (pct. pts.): -1.9

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Medicaid expansion AND state/partnership exchange in 2014:No

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South Dakota

% Uninsured, 2013: 14.0

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% Uninsured, midyear 2014: 11.3

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Change in uninsured (pct. pts.): -2.7

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Medicaid expansion AND state/partnership exchange in 2014:No

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Tennessee

% Uninsured, 2013: 16.8

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% Uninsured, midyear 2014: 14.4

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Change in uninsured (pct. pts.): -2.4

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Medicaid expansion AND state/partnership exchange in 2014:No

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Texas

% Uninsured, 2013: 27.0

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% Uninsured, midyear 2014: 24.0

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Change in uninsured (pct. pts.): -3.0

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Medicaid expansion AND state/partnership exchange in 2014:No

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Utah

% Uninsured, 2013: 15.6

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% Uninsured, midyear 2014: 15.6

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Change in uninsured (pct. pts.): 0.0

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Medicaid expansion AND state/partnership exchange in 2014:No

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Vermont

% Uninsured, 2013: 8.9

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% Uninsured, midyear 2014: 8.5

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Change in uninsured (pct. pts.): -0.4

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Medicaid expansion AND state/partnership exchange in 2014:Yes

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Virginia

% Uninsured, 2013: 13.3

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% Uninsured, midyear 2014: 13.4

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Change in uninsured (pct. pts.): 0.1

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Medicaid expansion AND state/partnership exchange in 2014:No

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Washington

% Uninsured, 2013: 16.8

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% Uninsured, midyear 2014: 10.7

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Change in uninsured (pct. pts.): -6.1

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Medicaid expansion AND state/partnership exchange in 2014:Yes

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West Virginia

% Uninsured, 2013: 17.6

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% Uninsured, midyear 2014: 11.9

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Change in uninsured (pct. pts.): -5.7

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Medicaid expansion AND state/partnership exchange in 2014:Yes

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Wisconsin

% Uninsured, 2013: 11.7

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% Uninsured, midyear 2014: 9.6

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Change in uninsured (pct. pts.): -2.1

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Medicaid expansion AND state/partnership exchange in 2014:No

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Wyoming

% Uninsured, 2013: 16.6

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% Uninsured, midyear 2014: 12.8

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Change in uninsured (pct. pts.): -3.8

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Medicaid expansion AND state/partnership exchange in 2014:No

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