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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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  • Expansions in Public Health Insurance and Crowd-Out: What the Evidence Says

    Report

    Enactment of the Children's Health Insurance Program has been accompanied by concerns that new coverage will "crowd out" private health insurance coverage. Part of the Kaiser Incremental Health Reform Project, this paper reviews existing empirical literature on the magnitude of crowd-out and discusses implications for CHIP.

  • Medicaid and the Elderly

    Other Post

    Long-Term Care Spending In 1993, Medicaid spent $25.5 billion for long-term care services for elderly beneficiaries (Figure 5). This represents 58 percent of the $44 billion Medicaid spent on long-term care services for all population groups. The majority of spending was for care delivered in nursing facilities (84 percent) and ICFs-MR (2 percent).

  • Health Insurance Coverage in America: 2001 Data Update

    Report

    Health Insurance Coverage in America: 2001 Data Update This chartbook provides year 2001 data on health insurance coverage, with special attention to the uninsured. It includes trends and major shifts in coverage and a profile of the uninsured population. Chartbook A link to additional state-specific data on the uninsured at State Health Facts.

  • Health Insurance Coverage of Low-Wage Workers

    Fact Sheet

    This fact sheet summarizes the reasons why low-wage workers are less likely to have employer-sponsored health insurance than workers with higher incomes and therefore, are more likely to be uninsured.

  • Participation in Welfare and Medicaid Enrollment – Issue Paper

    Report

    Participation in Welfare and Medicaid Enrollment September 1998 The number of families receiving cash assistance through Aid to Families with Dependent Children (AFDC) or Temporary Assistance to Needy Families (TANF) programs has decreased dramatically in recent years. From March 1994 to March 1998, caseloads fell by 35%, declining from 5 million to 3.2 million families.

  • Uninsured Rate Among the Nonelderly Population, 1972-2018

    Feature

    uninsured-rate-among-the-nonelderly-population-1972-2018Q1white Download Source CDC/NCHS, National Health Interview Survey, reported in http://www.cdc.gov/nchs/health_policy/trends_hc_1968_2011.htm#table01 and https://www.cdc.gov/nchs/data/nhis/earlyrelease/Insur201808.pdf.

  • 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 (.

  • Warning: Inadequate Low-Income Subsidy Design Can Cause Problems for Health Care Reform

    Other Post

    Warning: Inadequate Low-Income Subsidy Design Can Cause Problems for Health Care Reform This report examines potential adverse consequences of low-income subsidy systems contained in the leading health care reform approaches including: work disincentives as a result of high marginal taxrates; employer incentives to drop coverage; and loss of coverage due to budgetary control mechanisms.