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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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  • CHIP TIPS: Children’s Oral Health Benefits

    Issue Brief

    This brief examines a new requirement under the Children's Health Insurance Program Reauthorization Act of 2009 that state CHIP programs cover comprehensive dental benefits. The reauthorization law also allows states with separate CHIP programs to offer a dental-only plan for children who have other health insurance but lack adequate dental benefits.

  • Toplines: National Survey of Households Affected by Cancer

    Poll Finding

        These toplines provide the complete survey questions and findings from the National Survey of Households Affected by Cancer conducted jointly by USA Today, the Kaiser Family Foundation and the Harvard School of Public Health by telephone between Aug. 1 and Sept. 14, 2006.

  • NPR/KFF/HSPH Survey: Public Views on SCHIP Reauthorization: Summary

    Poll Finding

    This summary provides an overview of the results of an October 2007 survey conducted jointly by NPR, the Kaiser Family Foundation, and the Harvard School of Public Health on the public’s views and opinions of the State Children’s Health Insurance Program and the pending legislation surrounding its reauthorization. Summary (.

  • NPR/Kaiser/Harvard Survey: The Public on Requiring Individuals to Have Health Insurance

    Poll Finding

    This survey conducted jointly by NPR and public opinion researchers at the Kaiser Family Foundation and the Harvard School of Public Health examines how the public views different approaches for expanding health coverage, including provisions that would require individuals to purchase insurance or parents to obtain coverage for their children.

  • The Effects of the Economic Recession on Communities of Color

    Issue Brief

    This issue brief examines some of the challenges associated with employment, daily life and access to health care among racial minorities, who tend to be disproportionately affected by many of the consequences of economic hard times.

  • How Will Uninsured Parents Be Affected By Health Reform?

    Issue Brief

    This brief examines uninsured parents and how they could be affected by health reform, including estimates of how many might qualify for coverage under a Medicaid expansion, how many would be eligible for subsidies and how many would not be eligible for such help. Issue Brief (.

  • How Do M+C Plans Manage Pharmacy Benefits? Implications for Medicare Reform

    Report

    Understanding how Medicare+Choice (M+C) plans manage their drug benefits may generate important lessons for Medicare. This report, based on interviews with both national and regional managed care firms, provides an in-depth look at how plans have managed their M+C outpatient pharmacy benefits in recent years.

  • Retiree Health Trends and Implications of Possible Medicare Reforms – Fact Sheet

    Fact Sheet

    Retiree Health Trends And Implications Of Possible Medicare Reforms September 1997 Approximately 12 million of Medicare's 39 million beneficiaries receive employer-sponsored retiree health benefits as a supplement to their Medicare coverage. In addition, millions of retired workers under age 65 rely on retiree health benefits as their primary source of health insurance coverage.