View the Latest: ACA Marketplaces
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The New Ideas Conundrum in Health Policy
From Drew AltmanIn a new column, President and CEO Dr. Drew Altman writes about the "conundrum of health policy ideas" facing Democrats searching for new proposals because of competing, and complex, priorities: rebuilding Medicaid and the ACA after trillion-dollar cuts, reconstructing federal health agencies, and tackling underlying health care costs, when candidates want simple ideas they can campaign on and voters want their costs to come down.
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Claims Denials and Appeals in ACA Marketplace Plans in 2024
Issue BriefThis brief analyzes federal transparency data published by CMS on claims denials and appeals for Marketplace plan offered on HealthCare.gov in 2024, and finds insurers denied 19% of in-network claims. Consumers rarely appeal denied claims.
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After 16 Years, Partisans Still View the Affordable Care Act Very Differently
Quick TakeOn the 16th anniversary of the Affordable Care Act’s (ACA) passage, most of the public (61%) view the law favorably, though opinions and debates remain as partisan as ever....As voters continue to grapple with the affordability of coverage and care, the partisan legacy of the ACA will almost certainly figure into debates about health care costs this fall.
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A Note on How the War in Iran May Affect Health Care in the Midterms
From Drew AltmanIn a new column, Dr. Drew Altman, KFF’s President and CEO, discusses the impact of the war in Iran and rising gas prices on voter concerns about health care costs. He writes: “Recently, we saw health care costs rise to the top of the public’s list of economic worries, ahead of food, housing, utility costs and the cost of gas….Expect gas prices to rise and health care costs to fall on the list of affordability worries while the war in Iran lasts, but then to return to the top or near the top when President Trump decides to declare the major hostilities over, the Strait of Hormuz is open, and gas prices come down….health care costs have staying power as one of the top voter concerns.”
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KFF Follow-Up Survey of Marketplace Enrollees: Following End of Enhanced Credits, Half of Marketplace Enrollees Now Say Costs Are a Lot Higher, Most Expect to Cut Back on Basic Household Expenses to Afford Coverage
News ReleaseFollowing the expiration of the enhanced premium tax credits for people with Affordable Care Act (ACA) Marketplace plans, a new KFF follow-up survey of the same Marketplace enrollees KFF surveyed in 2025 finds half (51%) of returning enrollees say their health care costs are “a lot higher” this year compared to last year, including four in ten who specifically say their premiums are “a lot higher.”
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Cost Concerns and Coverage Changes: A Follow-Up Survey of ACA Marketplace Enrollees
Poll FindingThis KFF survey is a follow-up survey of adults who had ACA Marketplace insurance in 2025. The survey examines the cost concerns and coverage changes that these 2025 Marketplace enrollees are experiencing following the expiration of the enhanced premium tax credits. The survey finds that half of returning enrollees say their health care costs are “a lot higher” and most expect to cut back on basic household expenses to afford coverage.
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Number of Insurers Participating in the Individual Health Insurance Marketplaces
State Health Facts Indicator -
Calculadora del Mercado de Seguros Médicos
FeatureEsta calculadora ilustra las primas (el costo mensual de su seguro) y subsidios para las personas que compran seguro médico por su propia cuenta en el mercado de seguros de salud (o de intercambio) creado por la Ley de Cuidado de Salud a Bajo Precio (Affordable Care Act, ACA, en inglés).
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Health Insurance Marketplace Calculator
FeatureThe Health Insurance Marketplace Calculator, updated with 2025 premium data, provides estimates of health insurance premiums and subsidies for people purchasing insurance on their own in health insurance exchanges (or “Marketplaces”) created by the Affordable Care Act (ACA).