Affordable Care Act

The ACA Marketplace

2025 KFF Marketplace Enrollees Survey

About one in three ACA enrollees said they would be “very likely” to look for a lower-premium Marketplace plan If their premium payments doubled, according to a KFF survey conducted in 2025.

New AND NOTEWORTHY

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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  • Medicaid and Community Health Centers: The Relationship Between Coverage for Adults and Primary Care Capacity in Medically Underserved Communities

    Issue Brief

    Community health centers play an important role in providing care to uninsured and low-income individuals living in medically underserved communities. They rely on many different revenue sources and, over time, Medicaid has become a central source of funding for most health centers. To better understand how Medicaid influences health center practice, this paper compares the strength of health centers in states that have expanded Medicaid coverage for adults to health centers states with more limited…

  • Health Insurance Market Reforms: Pre-Existing Condition Exclusions

    Fact Sheet

    Insurers pursue multiple strategies to reduce the cost of covering enrollees with pre-existing conditions, or medical conditions and health problems that existed before the individual enrolled in a health plan. One strategy, the pre-existing condition exclusion, allows insurers to refuse to cover any costs associated with care for a pre-existing condition permanently or over a period of time. Beginning January 1, 2014, insurers in the individual and group markets will be prohibited from imposing pre-existing…

  • Covering The ACA May Be Almost As Hard As Implementing It

    From Drew Altman

    This Pulling It Together was adapted from a column I published earlier this week in Politico, with a new introduction added. You can read the original Politico column here. The implementation of the ACA is news and the public will demand information about it. Journalists and news organizations have an obligation to cover this story.  As Kaiser CEO I serve as the publisher of our non-profit news service, Kaiser Health News, and also as the head…

  • Mapping the Effects of the ACA’s Health Insurance Coverage Expansions

    Interactive

    The Foundation originally released this interactive tool in February 2012.  More recent analysis of the Affordable Care Act's potential impact on each state's uninsured population can be accessed through this interactive tool and these individual state reports. The Affordable Care Act includes several provisions that allow many individuals across the U.S. to be eligible for Medicaid or for federal tax credits to subsidize the cost of insurance. The analysis below and zip code tool estimate…

  • Ensuring the Health Care Needs of Women: A Checklist for Health Exchanges

    Issue Brief

    To inform the development of the state health insurance Exchanges under the Affordable Care Act, this checklist identifies key coverage, affordability and access issues that are important for women. Based on lessons learned from women’s health research and the Massachusetts experience, the checklist considers essential health benefits, implementation of no-cost preventive services including contraception, provider networks and affordability, outreach and enrollment efforts, and the importance of including gender and other demographic characteristics in data collection…

  • Women’s Health Quiz: Health Coverage and the Affordable Care Act

    Feature

    Health insurance coverage is a critical factor in making health care accessible to women—women with health coverage are more likely to obtain needed preventive, primary, and specialty care services. Test your knowledge of women’s health coverage and the effect of the Affordable Care Act on women with our ten-question quiz.

  • Testimony: Wellness Programs and Nondiscrimination Under Employer-Sponsored Group Health Plans

    Issue Brief

    This testimony by the Foundation's Karen Pollitz before the Equal Employment Opportunity Commission included background on wellness programs, wellness incentives and nondiscrimination since 1996, and questions and issues related to proposed regulations governing the design and application of wellness programs offered in conjunction with employer-sponsored group health plans.

  • How Will Health Reform Impact Young Adults?

    Issue Brief

    Adults ages 19 to 29 have the highest uninsured rate of any age group in the United States. The 13.7 million uninsured people in this age group comprise nearly a third of the overall uninsured population.  Most provisions in health reform do not specifically target young adults, but because of their high uninsured rate they will be one of the groups that is most affected by the new law. This paper explains the key ways in…