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State Health Policy and Data

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Tracking Insurer Exits and Entries in the ACA Marketplaces. U.S. map shows that as of June 8, 2026, six carriers across 18 states have announced that they will exit the ACA Marketplaces partially or fully for plan year 2027.

Tracking Insurer Participation Changes in the ACA Marketplaces in 2027

As of June 8, six health insurers have announced that they will exit ACA Marketplaces in 18 states next year, potentially leaving hundreds of thousands of ACA enrollees with fewer insurance options. KFF’s new tool tracks changes in ACA insurer participation, including the recently announced exits by Cigna Health, CareSource, PacificSource, Providence Health, Scott and White, and Taro Health.

State by State Data

More than 800 up-to-date, state-level health indicators can be mapped, ranked, and downloaded.

Explore the latest national and state-specific data and policies on women’s health, including health status, insurance coverage, use of preventive services, and more.

Most "dual-eligible" individuals (8.9 million in 2024) are eligible for Medicaid benefits that are not otherwise covered by Medicare, including long-term care.

Use this tool to build a custom report compiling health-related data for a single state or multiple states.

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  • Half of Kentucky Residents Hold Unfavorable Views of the Affordable Care Act, But Seven in Ten, Including Most Republicans, Don’t Want to Scale Back Medicaid Expansion to Cover Fewer People

    News Release

    Half of Residents Want to Keep the State's Insurance Marketplace Kynect, While a Quarter Favor Switching to Federal Healthcare.Gov Marketplace Instead Many Believe Coverage Expansions Have a Negative Impact on the State’s Budget A Kaiser Family Foundation poll of Kentucky residents finds that after much discussion of the issue in the state, health care is the top issue residents want state lawmakers to address, and a strong majority opposes scaling back the state's Medicaid expansion…

  • Analysis of Insurer Participation in 2016 Marketplaces

    Issue Brief

    As Marketplace enrollees begin to shop for coverage starting in 2016, the number of insurance choices available to them is changing in some parts of the country.  In early 2015, an average of 6.1 insurer groups offered coverage in each state, up from an average of 5.0 in 2014.  Since then, some insurers have announced their exit or been required to withdraw from the Marketplaces, most notably a number of nonprofit Consumer Operated and Oriented…

  • The Impact of the Coverage Gap for Adults in States not Expanding Medicaid by Race and Ethnicity

    Issue Brief

    The Affordable Care Act (ACA) expansion of Medicaid to adults with incomes at or below 138% of the federal poverty level (FPL) effectively became a state option following the Supreme Court decision, creating a “coverage gap” for many poor uninsured adults in states that do not expand Medicaid. This brief examines the coverage gap by race and ethnicity.

  • The Affordable Care Act Drove Record Annual Increases in Enrollment and Total Medicaid Spending Nationally in FY 2015, As Newly Eligible Adults gained Coverage in Expansion States

    News Release

    High Federal Match for Adult Expansion Group Contributed to Substantially Slower State Medicaid Spending Growth in Expansion States Compared to Non-Expansion States Survey Also Finds States Relying More on Managed Care, Undertaking Delivery System Reforms The Affordable Care Act’s Medicaid expansion resulted in record increases in Medicaid enrollment and spending nationally in fiscal year 2015, with both rising an average of nearly 14 percent, according to the 15th annual 50-state Medicaid budget survey by the…

  • Putting Medicaid in the Larger Budget Context: An In-Depth Look at Three States in FY 2015 and 2016

    Issue Brief

    This report provides an in-depth examination of Medicaid program changes in the larger context of state budgets in three states: Alaska, California, and Tennessee. These case studies build on findings from the 15th annual budget survey of Medicaid officials in all 50 states and the District of Columbia conducted by the Kaiser Commission on Medicaid and the Uninsured and Health Management Associates (HMA).

  • Medicaid Enrollment & Spending Growth: FY 2015 & 2016

    Issue Brief

    This report provides an overview of Medicaid financing and Medicaid spending and enrollment growth with a focus on state fiscal years 2015 and 2016 (FY 2015 and FY 2016.) Findings are based on interviews and data provided by state Medicaid directors as part of the 15th annual survey of Medicaid directors in all 50 states and the District of Columbia conducted by the Kaiser Commission on Medicaid and the Uninsured (KCMU) survey and Health Management…

  • Medicaid Reforms to Expand Coverage, Control Costs and Improve Care: Results from a 50-State Medicaid Budget Survey for State Fiscal Years 2015 and 2016

    Report

    This report provides an in depth examination of the changes taking place in state Medicaid programs across the country. The findings in this report are drawn from the 15th annual budget survey of Medicaid officials in all 50 states and the District of Columbia conducted by the Kaiser Commission on Medicaid and the Uninsured and Health Management Associates (HMA), with the support of the National Association of Medicaid Directors. This report highlights policy changes implemented…

  • What’s In and What’s Out? Medicare Advantage Market Entries and Exits for 2016

    Issue Brief

    This Issue Brief examines the availability of Medicare Advantage plans nationwide and by state in 2016, and tracks changes in plan availability since 2012. It documents the number and share of Medicare Advantage enrollees affected by plan withdrawals each year, the characteristics of plans that will be entering or exiting the market in 2016, and the potential implications of these changes for Medicare Advantage enrollees.

  • Medicaid: Moving Forward

    Feature

    This slideshow gives a basic overview of the Medicaid program, including how it is financed, whom it covers and the role of Medicaid under the Affordable Care Act (ACA).

  • Faces of Medicaid

    Video

    The "Faces of Medicaid" video series highlights the range of experience and diverse roles that Medicaid plays in the lives of Americans across the U.S. These stories of individuals on Medicaid go beyond statistics and provide insight into the range of personal experiences with the program.