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Affordable Care Act

The ACA MarketplaceS

Tracking Insurer Changes in the ACA Marketplaces in 2027

As of June 22, six carriers have announced that they will exit the Marketplaces in plan year 2027, either in some or all states that they are currently offering plans; four carriers have announced they will enter new Marketplaces.

An image of text is an excerpt from Cynthia Cox's quick take which reads, "While the Trump administration attributes this drop in enrollment to their attempts to address fraud, this coverage loss happened at the same time millions of people faced steep increases in their premium payments — often in the double or even triple digits — with the expiration of enhanced tax credits."

ACA Marketplace Enrollment Is Down By 3 Million After Big Jump in Premium Payments

Enrollment dropped 13% following the expiration of enhanced premium tax credits at the beginning of this year. Enrollment fell from a high of 22.1 million people in 2025 to 19.2 million people in February 2026. While the Trump administration attributes this drop in enrollment to their attempts to address fraud, this coverage loss happened at the same time millions of people faced steep increases in their premium payments – often in the double or even triple digits – with the expiration of enhanced tax credits.

POLLING on the ACA

Tracking the Public’s Views on the ACA

While overall opinion of the Affordable Care Act has been more favorable than unfavorable since 2017, there remain deep partisan divides. See how public opinion on the ACA has changed from the inception of the law to the present. This interactive tool highlights key moments when views shifted and trends based on party identification, income, age, gender, and race/ethnicity.

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  • Pulling it Together: On Health Reform, Will All Roads Meet in the Middle?

    Perspective

    A few weeks ago a small group of upset single-payer advocates followed Senator Baucus into the parking garage of our D.C. building as he was arriving to do one of our health reform newsmaker breakfasts, cosponsored by Families USA and the National Federation of Independent Business. They were angry because they feel that single payer is not receiving enough attention in the current debate, and it is true that it is not getting a lot…

  • Liking the Pieces, Not the Package: Contradictions in Public Opinion During Health Reform

    Poll Finding

    Public opinion played a prominent role during the recent health care reform debate. In a published Health Affairs article, Kaiser researchers examine past and present polling and show that opinion tracked with historic patterns and was relatively stable, even if the contentious public debate suggested a volatile public mood in 2009 and 2010. Going forward, the public will begin reacting to reform implementation, primarily by judging it in terms of their perceptions of and experiences…

  • The Independent Payment Advisory Board: A New Approach to Controlling Medicare Spending

    Issue Brief

    In 2010, the Patient Protection and Affordable Care Act authorized the creation of the Independent Payment Advisory Board (IPAB) to help control the growth in Medicare costs. Beginning in 2014, IPAB will issue recommendations to lower Medicare costs in the event that spending exceeds targets established in the health care reform law. This brief explains how the Independent Payment Advisory Board will be structured, the process and timelines for IPAB to make recommendations to achieve…

  • Health Care Use and Chronic Conditions Among Childless Adult Medicaid Enrollees in Arizona

    Issue Brief

    Under the Affordable Care Act (ACA), beginning in 2014, Medicaid eligibility will expand to 133% of the federal poverty level for nearly all individuals. Arizona is one of the few states that already cover adults without dependent children in Medicaid through a longstanding Section 1115 waiver. This report, based on 2007 Medicaid claims data for adult Medicaid enrollees in Arizona, provides an analysis of health care utilization and health conditions for childless adults and compares…

  • Oral Health in the U.S.: Key Facts

    Fact Sheet

    This fact sheet provides data on oral health care coverage and access for children, nonelderly adults and Medicaid beneficiaries, including state-by-state data on measures such as the share of adults who have had a dental visit within the past year. Fact Sheet (.pdf)

  • 2008 Presidential Candidate Health Care Proposals, Side-by-Side Summary

    Other Post

    2008 Presidential Candidate Health Care Proposals: Side-by-Side Summary Voters have identified health care as the leading domestic issue for the government to address and for the presidential candidates to discuss in the 2008 campaign. In particular, voters would like to hear the candidates' positions on reducing the cost of health care and health insurance and expanding coverage to the 47 million uninsured Americans. This side-by-side comparison of the candidates' positions on health care was prepared…

  • Health Care and the Middle Class: More Costs and Less Coverage

    Report

    This analysis paper examines the availability, affordability and stability of the health insurance coverage of the American middle class, defined as those with incomes of $44,000 to $88,000 for a family of four. It also addresses the growing burden of health care costs for the middle class, the adequacy of today's health insurance plans to protect them from large medical bills, and the difference both make as individuals and families make health care decisions for…

  • Explaining Health Reform: Medicare and the New Independent Payment Advisory Board

    Issue Brief

    This brief describes how the new board created under the 2010 health reform law is expected to limit the growth in Medicare spending over time. Starting in 2014, if projected per capita Medicare spending exceeds targets set in the law, the board must recommend ways to reduce Medicare spending, while maintaining quality and access to care for beneficiaries. The board’s recommendations automatically take effect the next year unless Congress adopts an alternative plan to achieve…

  • Explaining Health Reform: Key Changes in the Medicare Advantage Program

    Issue Brief

    This brief examines the changes in the 2010 health reform law affecting the Medicare Advantage program, which gives beneficiaries the option of enrolling in private insurance plans for their Medicare benefits, instead of the traditional fee-for-service program. The reform law will gradually reduce Medicare payments to these plans to bring the average payment closer to the costs of traditional fee-for-service Medicare, while rewarding plans with high-quality ratings. The brief also describes new benefit requirements for…

  • Health Reform Implementation: When Sausage-Making Moves Downtown

    Event Date:
    Event

    Panelists at this briefing examine what's happening behind the scenes to implement the Patient Protection and Affordable Care Act. An overview of federal policymaking and the efforts by stakeholders and others to affect final policies pertaining to the health reform law is provided. The session will look into key tools and levers available to the federal government, including formal rulemaking and other policy processes, as well as efforts by stakeholders and others to affect final…