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State Health Policy and Data

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Change in February effectuated enrollment, by state, 2025-2026

How Marketplace Enrollment Changed in 2026

This analysis examines how enrollment in the ACA Marketplaces has changed in 2026. Marketplace enrollment fell this year in every state except New Mexico—the only state to fully replace the enhanced premium tax credits that expired last year with a state-funded subsidy.

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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  • Analysis Estimates 5.1 Million People Fall into the Affordable Care Act’s “Family Glitch”

    News Release

    A new KFF analysis estimates 5.1 million people nationally fall into the Affordable Care Act’s “family glitch” that occurs when a worker receives an offer of affordable employer coverage for themselves but not for their dependents, making them ineligible for financial assistance for marketplace coverage. The so-called glitch occurs because the ACA prohibits people with an offer of affordable employer coverage from purchasing subsidized coverage through the ACA marketplace. Under current rules, the affordability of…

  • The ACA Family Glitch and Affordability of Employer Coverage

    Issue Brief

    This analysis estimates that 5.1 million people fall into the Affordable Care Act's "family glitch," which occurs when a worker receives an offer of affordable employer coverage for themselves but not for their dependents, making them ineligible for financial assistance for marketplace coverage. It explores the demographic characteristics of this group, including state-level estimates.

  • New Incentive for States to Adopt the ACA Medicaid Expansion: Implications for State Spending

    Issue Brief

    The American Rescue Plan Act of 2021 encourages non-expansion states to take up the expansion by providing an additional temporary fiscal incentive for states to newly implement the ACA Medicaid expansion. This brief provides illustrative estimates of the net fiscal benefit to states from these incentives relative to state costs under the expansion.

  • Medicaid Spending and Enrollment Trends Amid the COVID-19 Pandemic – Updated for FY 2021 & Looking Ahead to FY 2022

    Issue Brief

    Even as the COVID-19 vaccine roll-out is accelerating across the country, the public health and economic effects of the pandemic continue to put pressure on Medicaid spending and enrollment. In mid-February 2021, the Kaiser Family Foundation (KFF) and Health Management Associates (HMA) fielded a two-part rapid, mini-survey of Medicaid directors in all 50 states and the District of Columbia as a follow-up to the annual Medicaid Budget Survey conducted last summer. This brief provides insights…

  • How are States Addressing Racial Equity in COVID-19 Vaccine Efforts?

    Issue Brief

    This brief reviews information available through state websites and publicly available vaccine distribution plans to provide greater insight into how states are addressing equity through vaccine allocation and distribution strategies, outreach and communications efforts, and data collection and reporting. It provides a snapshot and examples of state efforts in these areas.

  • States Have Made Progress in Vaccinating Older Adults Against COVID-19 in Recent Weeks, But No State Has Vaccinated At Least Half of its Older Population

    News Release

    Twenty-two states and the District of Columbia have vaccinated at least one-third of their residents who are 65 and older against COVID-19, an updated KFF analysis finds, but no state has crossed the threshold of vaccinating 50 percent or more of its older population. The share of adults 65 and older who have received at least one dose of a vaccine ranges from 49 percent in North Carolina to 27 percent in Pennsylvania. (The relatively low…

  • Two New Analyses: House COVID-19 Relief Plan Would Temporarily Lower Marketplace Premiums for Millions and More than Offset Short-Term State Costs to Expand Their Medicaid Programs

    News Release

    The House COVID-19 relief proposal would temporarily lower what millions of Marketplace enrollees and uninsured potential enrollees would pay toward premiums and would provide states that have not expanded their Medicaid programs a financial boost that would more than offset their costs initially, two new KFF analyses find. The analyses assess two parts of the House plan aimed at expanding access to affordable health coverage by expanding the Affordable Care Act’s tax credits for people…