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Affordable Care Act

The ACA MarketplaceS

How Has Marketplace Enrollment Changed Across States in 2026?

Following several years of rapid enrollment growth in the ACA Marketplaces that corresponded with temporary enhanced premium tax credits, enrollment fell for the first time in seven years in 2026, when those tax credits expired. Every state except for New Mexico saw a drop in Marketplace enrollment from 2025 to 2026. State-based Marketplaces that run their own enrollment platforms, including those that partially offset the enhanced tax credits, generally saw lower drops in enrollment.

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Did the Affordable Care Act Make Health Care More Affordable?

The expiration of the ACA’s enhanced premium tax credits at the start of 2026, combined with rising insurer premiums, put a spotlight on health care affordability that extends beyond Marketplace enrollees. KFF’s Cynthia Cox examines the ACA’s record and the broader underlying question it raises: what’s a fair price for Americans people to pay for health care?

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  • Kaiser Health Tracking Poll: October 2012

    Feature

    The October Health Tracking Poll finds, one week before the presidential election, the economy remains the primary concern on voters' minds, but health policy issues remain in the mix. The new survey finds that roughly a third of likely voters name the Affordable Care Act (37%), Medicare (36%), and Medicaid (30%) as "extremely important" to their vote, compared to half (52%) who say the same about the economy and jobs. But separate health care issues…

  • Kaiser Health Tracking Poll: July 2012

    Feature

    July's second Health Tracking Poll reports in further depth on public opinion toward the Affordable Care Act (ACA) in the wake of last month's key Supreme Court decision. When it comes to the individual mandate, the Court’s verdict that the controversial provision is constitutional as a tax appears to have had little impact on opinion, with upwards of six in ten viewing the mandate unfavorably whether it is described as "tax" or as a "fine."…

  • Program Integrity in Medicaid: A Primer

    Issue Brief

    Medicaid covers more than 60 million Americans and accounts for about one in six dollars spent on health care in the United States. Multiple agencies at the state and federal levels are involved in efforts to prevent waste, fraud and abuse in the program and ensure appropriate use of taxpayer dollars, and many program integrity initiatives are yielding positive results. The Affordable Care Act (ACA) builds on earlier efforts through the Deficit Reduction Act to…

  • States Getting a Jump Start on Health Reform’s Medicaid Expansion

    Issue Brief

    One of the primary goals of the Affordable Care Act (ACA) is to decrease the number of uninsured through a Medicaid expansion to nearly all individuals with incomes up to 133 percent of the federal poverty level (FPL) ($14,856 for an individual or $25,390 for a family of three in 2012) and the creation of new health insurance exchanges. These coverage expansions, which will take effect in 2014, will eventually cover about 32 million uninsured…

  • Kaiser Health Tracking Poll — July 2011

    Feature

    Health care, and particularly Medicare and Medicaid, continue to play a role in the national discussion over the federal budget deficit. In the midst of this debate, the latest Kaiser Health Tracking poll finds that Americans of all political stripes see a role for both spending reductions and tax increases as part of an overall deficit reduction strategy. Still, few are willing to support major spending reductions in Medicare, and a large majority believes the…

  • Kaiser Health Tracking Poll — April 2011

    Feature

    As Congress and the president debate different approaches to reducing the deficit, the April Kaiser Health Tracking Poll indicates that initial public reaction is fairly evenly split when a premium support/voucher program like the one in House Budget Committee Chairman Paul Ryan’s "Path to Prosperity" proposal is described, but seniors prefer to keep the current Medicare system by a 2‐to‐1 margin. Meanwhile, public opinion on the health reform law remains remarkably steady. The April poll…

  • Federal Core Requirements And State Options In Medicaid: Current Policies And Key Issues

    Fact Sheet

    Medicaid is a jointly financed partnership between the federal government and states. The federal-state financing and administrative structure of Medicaid provides a framework of federal core requirements along with broad state options for program design and administration. This issue brief presents an overview of the current Medicaid program framework, with a focus on eligibility, benefits and cost sharing, care delivery and provider payment, long-term services and supports, and dual eligibles, as well as key issues…

  • Health Reform and the Tea Party Movement

    Feature

    With much media discussion of the role that the Tea Party will play in the upcoming Congressional midterm elections, this data note takes a closer look at Tea Party supporters using the most recent Health Tracking Poll data from September. While 57 percent of voters who do not support the Tea Party movement view the health reform law "very" or "somewhat" favorably, 57 percent of Tea Party supporters view the law "very" unfavorably, and another…

  • Kaiser Health Tracking Poll — January 2010

    Feature

    The January Kaiser Health Tracking Poll finds that Americans are divided over congressional health reform proposals, but also that large shares of people, including skeptics, become more supportive after being told about many of the major provisions in the bills. The poll, conducted before the Massachusetts Senate vote, finds opinion about the legislation is split, with 42 percent supporting the proposals, 41 percent opposing them and 16 percent withholding judgment. But majorities reported feeling more…

  • Americans Are Divided About Health Reform Proposals Overall, But the Public, Including Critics, Becomes More Supportive When Told About Key Provisions

    News Release

    MENLO PARK, Calif. – A new Kaiser Family Foundation poll finds that Americans are divided over congressional health reform proposals, but also that large shares of people, including skeptics, become more supportive after being told about many of the major provisions in the bills. The January Kaiser Health Tracking Poll, conducted before the Massachusetts Senate vote, finds opinion is divided when it comes to the hotly debated legislation, with 42 percent supporting the proposals in…