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How Much and Why ACA Marketplace Premiums Are Going Up in 2026

This analysis of initial rate filings from all 50 states and DC shows ACA Marketplace insurers are proposing a median premium increase of 18% for 2026, more than double last year’s 7% median proposed increase. The analysis includes proposed rate changes by state and insurer.

Data and analysis

The Uninsured Population and Health Coverage

This Health Policy 101 chapter examines the share of the United States population who are uninsured, highlighting their demographics and the challenges they face because of the lack of coverage.

How Many Uninsured Are in the Coverage Gap?

This analysis estimates that 1.4 million uninsured individuals in the 10 states without Medicaid expansion, including many working adults, people of color, and those with disabilities, remain in the “coverage gap,” ineligible for Medicaid or for tax credits that would make coverage ACA's Marketplaces affordable to them.

Key Facts about the Uninsured Population

The number of people ages 0-64 who were uninsured held steady at 25.3 million in 2023, although the number of uninsured children rose from 3.8 million to 4.0 million. Most uninsured people are in low-income families and have at least one worker in the family.

How the Unwinding Affected Enrollees

Over half who were disenrolled say they put off needed medical care while trying to renew Medicaid. Overall, 19% of adults who had Medicaid prior to the start of unwinding say they were disenrolled at some point in the past year. Of this group, a large majority (70%) were left at least temporarily uninsured.

The uninsured: How costs affect care and health, 2023

Latest Polling
8%

Percent of adults who reported not having health insurance
55%

Percent of uninsured adults who reported delaying or forgoing some form of health care due to cost
19%

Percent of uninsured adults who report that they or a family member had difficulty paying medical bills
38%

Percent of uninsured adults who reported not having a usual source of care (vs. 8% of insured adults)
Peterson-KFF Health System Tracker

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  • How Many Uninsured Adults Could Be Reached If All States Expanded Medicaid?

    Issue Brief

    As more people lose their jobs and accompanying ESI, more may fall into the coverage gap, particularly starting in 2021 after unemployment benefits expire for many who have lost their jobs and incomes are likely to drop below the minimum threshold for marketplace subsidies. This analysis estimates how many uninsured adults—including those uninsured even before the pandemic and those who could become uninsured as a result of it— could become eligible for Medicaid if states that have not yet expanded the program do so.

  • From the Federal Response to COVID-19 to Ongoing Efforts to Repeal the ACA and Proposals for Lowering Drug Prices, President Trump Has an Extensive Record on Health Care

    News Release

    Since taking office in 2017, President Trump has laid down an extensive record on health care, including his response to the COVID-19 pandemic, his early and ongoing efforts to repeal and replace the Affordable Care Act, his annual budget proposals to curb spending on Medicare and Medicaid, his executive orders and other proposals to lower…

  • Eliminating the ACA: What Could It Mean for Medicaid Expansion?

    Policy Watch

    The debate over filling the Supreme Court seat previously held by Ruth Bader Ginsburg has brought renewed attention to the possibility of the Affordable Care Act (ACA) being overturned under the court challenge in California v. Texas, currently scheduled to be heard shortly after the election this November. The expansion of Medicaid was a central component of the ACA, and 39 states have now adopted the ACA expansion into their Medicaid programs. Because Medicaid is administered by states, under federal guidelines, there may be some confusion about how overturning the federal law would affect state Medicaid programs.

  • A Reconfigured U.S. Supreme Court: Implications for Health Policy

    Issue Brief

    U.S. Supreme Court decisions shape health policy in important ways. The nomination of Judge Amy Coney Barrett, if confirmed, is expected to establish a solid 6:3 conservative majority that could affect case outcomes in several areas. This issue brief considers the potential implications of a reconfigured Court for health policy issues, including those already on the Court’s docket for the coming term and those that the Court may choose to consider in this term or in the future.

  • The Language of Health Care Reform

    Perspective

    Published in the Jan. 19 edition of JAMA, this article from KFF Executive Vice President for Health Policy Larry Levitt lays out the major health policy challenges that will confront President-elect Biden and potential approaches to major reform.

  • Millions of Uninsured Americans are Eligible for Free ACA Health Insurance

    Policy Watch

    Amid the ongoing pandemic and high unemployment, this poste xamines how many uninsured people would be eligible for free health insurance during in a typical year, including those who qualify for Medicaid or for tax credits that cover the full cost of an ACA Marketplace plan.

  • Hispanic People are Facing Widening Gaps in Health Coverage

    Policy Watch

    New analysis shows that, in 2019, the number of uninsured continued to increase for the third year in a row. Much of the coverage loss between 2018 and 2019 was among Hispanic people, and these data point to significant increased barriers to health care for Hispanic people.