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New and noteworthy

Affordability Is the Issue Now, But Look for the Uninsured to Make a Comeback

A new column on the uninsured from President and CEO Dr. Drew Altman explains: “The uninsured is not the most politically salient problem in health care now, that’s affordability, nor is it the non-problem some say it is. But it’s coming back. And the problem of the chronically ill uninsured is glaring.” Read more.

Key Facts about the Uninsured Population

The number and share of people without insurance grew in 2024, increasing for the first time since 2019, according to KFF’s analysis of data from the American Community Survey (ACS). This issue brief describes trends in health coverage in 2024, examines the characteristics of the uninsured population , and summarizes the access and financial implications of not having coverage.

More on the uninsured population >>

Data and analysis

The Uninsured 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.

State Health Facts: Health Coverage & the Uninsured

Get data on health insurance status for the population overall and broken down by age, gender, and income. More than 800 up-to-date health indicators at the state level can be mapped, ranked, and downloaded through State Health Facts.

How Many Uninsured Are in the Coverage Gap?

An estimated 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 ACA coverage affordable to them.

Key Facts on Health Coverage of Immigrants

This fact sheet provides an overview of health coverage for immigrants based on data from the 2023 KFF/LA Times Survey of Immigrants. As of 2023, half of likely undocumented immigrant adults and one in five lawfully present immigrant adults reported being uninsured.

Who was uninsured in 2024?

Latest Polling
9.8%

The share of people under age 65 without insurance
62%

The share of uninsured adults who said they were uninsured because coverage is not affordable
59%

The share of uninsured adults who said they or someone living with them had problems paying for health care
39%

The share of uninsured adults who reported delaying or not getting needed care or medication due to cost
Other key facts about the uninsured >>

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  • CHIP TIPS: Citizenship Documentation Changes

    Issue Brief

    This brief, the third in a series, examines changes to citizenship documentation requirements under the Children's Health Insurance Program Reauthorization Act of 2009. The law extends the requirement to document citizenship that applied in Medicaid to CHIP as well. At the same time, it modifies current requirements to reduce the paperwork burden on families and states and helps ensure that eligible children and others are enrolled and receive needed health care without delay. Brief (.pdf)

  • Express Lane Eligibility Efforts: Lessons Learned from Early State Cross-Program Enrollment Initiatives

    Issue Brief

    The Children's Health Insurance Program Reauthorization Act of 2009 (CHIPRA) provides states new options to reach and enroll eligible but uninsured low-income children into Medicaid and CHIP. The law's Express Lane Eligibility (ELE) provisions enable state Medicaid and CHIP agencies to identify, enroll and recertify children by relying on eligibility findings from other programs, such as Head Start or Food Stamps, rather than having to re-analyze eligibility under their own rules. Further, CHIPRA authorizes greater…

  • Controlling Health Insurance Premiums: Perspectives from the States, the Federal Government and Industry

    Event Date:
    Event

    The Affordable Care Act creates a process for states and the Department of Health and Human Services to review “unreasonable” premium increases and provide information to consumers about the process. The rules governing this rate review process went into effect September 1, 2011. This briefing by the Kaiser Family Foundation, held on September 22, 2011, addressed how these new rules might work and what the implications may be for the growth in health insurance premiums…

  • The Arizona KidsCare CHIP Enrollment Freeze: How Has It Impacted Enrollment and Families?

    Issue Brief

    This paper examines the impact on enrollment and families of Arizona's Dec. 21, 2009, decision to freeze enrollment in KidsCare, the state's Children's Health Insurance Program (CHIP). The CHIP enrollment freeze, enacted in response to recession-driven state budget pressures, saved the state $12.9 million in FY 2011, but has also resulted in more than 100,000 children being placed on a waiting list for coverage and the loss of $41 million in federal matching funds. Issue…

  • Health Affairs Article: Medicaid Expansion Under Health Reform May Increase Service Use and Improve Access For Low-Income Adults With Diabetes

    Issue Brief

    This analysis finds that Medicaid’s role in financing diabetes care will grow when many low-income uninsured people with diabetes become eligible for Medicaid as the program expansions under the Affordable Care Act in 2014. Adult Medicaid beneficiaries with diabetes had annual per person health expenditures more than three times higher than adult beneficiaries without the disease -- $14,229 versus $4,568, according to the study. At the same time, many uninsured adults with diabetes are less…

  • A Guide to the Supreme Court’s Affordable Care Act Decision

    Issue Brief

    This policy brief describes the Supreme Court's decision on the Affordable Care Act and looks ahead to the implementation of health reform now that questions about the constitutionality of the law have been resolved. Brief (.pdf)

  • Express Lane Eligibility: How to Enroll Large Groups of Eligible Children in Medicaid and CHIP

    Report

    This issue paper explores the potential for increasing enrollment in children's health insurance programs through "Express Lane Eligibility." Express Lane Eligibility is the accelerated enrollment of low-income uninsured children already participating in other income-comparable publicly funded programs, such as WIC or school lunch, into Medicaid or CHIP. The paper reviews Express Lane Eligibility's potential impact on Medicaid and CHIP enrollment, analyzes different models, discusses key challenges with implementation, and suggests steps states and localities can…

  • The Olmstead Decision: Implications for Medicaid

    Issue Brief

    In June, 1999, the Supreme Court rule in Olmstead v L.C. that states were required to provide services to persons with disabilities in community settings rather than institutions, if certain conditions were met. This Policy Brief provides an overview of the Olmstead case, including the facts, the court ruling, and the disposition of the case. In addition, the brief describes the issues surrounding implementation and the implications this ruling could have for state Medicaid programs.…

  • New Report Looks at Health Care Trends in California Compared to Rest of Nation

    Report

    A new chartbook by the Kaiser Family Foundation shows that on most, though not all indicators, California's health care system fares poorly when compared to the U.S. as a whole. The report, Health Care Trends and Indicators in California and the United States, shows that many more Californians have no health insurance than in the rest of the U.S., but when they do have insurance it tends to be more comprehensive and cost less than…

  • SCHIP Managed Care Contracting

    Report

    The fourth in a series of reports on implementation issues and challenges in the first year of S-CHIP finds that states have been able to enter arrangements with plans for their S-CHIP population fairly easily. REPORT Download