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The ACA Marketplace

2025 KFF Marketplace Enrollees Survey

In 2025, 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.

Cost Concerns and Coverage Changes: A Follow-Up Survey of ACA Marketplace Enrollees

Following 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 10 who specifically say their premiums are “a lot higher.”

new and noteworthy
POLLING

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.
DATA

Marketplace Enrollment is Down in 2026—But All of the Data Isn’t in Yet

ANALYSIS

Higher Premium Payments or Higher Deductibles: The ACA's Tradeoffs

QUIZ

Test Your Knowledge of the Affordable Care Act

ANALYSIS

Competition Increased in Individual Market But Fell in Fully Insured Group Markets

Timely insights and analysis from KFF staff

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  • New Kaiser 50-State Survey Provides Data on States’ Medicaid and Children’s Health Insurance Program Eligibility Levels and Enrollment, Renewal and Cost-Sharing Policies as of January 2015

    News Release

    A new survey from the Kaiser Family Foundation provides a comprehensive look at where states stand with their Medicaid and Children’s Health Insurance Program (CHIP) eligibility levels and enrollment, renewal and cost-sharing policies as of January 2015, one year into implementation of the Affordable Care Act’s major coverage provisions.

  • Kaiser Health Policy Tracking Poll: December 2014

    Feature

    With many of the Affordable Care Act’s (ACA) major provisions taking effect this past year, the December Kaiser Health Tracking Poll finds that many Americans are aware of the main parts of the law and, with the exception of the individual mandate, at least 6 in 10 feel favorably towards them. The poll finds the vast majority of the uninsured don’t know the deadline to enroll, most expect to get health insurance in the next few months, and nearly two-thirds say they don’t think they’ll have to pay a fine, or don’t know if they will, for not having coverage this year.

  • Kaiser Health Tracking Poll: September 2015

    Feature

    As the Centers for Medicare & Medicaid Services prepares to finalize a plan to pay physicians for discussing end-of-life treatment options with Medicare patients, this month’s Kaiser Health Tracking Poll finds that about 8 in 10 of the public favors Medicare and private insurance covering such discussions and about 9 in 10 say doctors should have these discussions with their patients. However, relatively few (17 percent) say they’ve had such discussions with a doctor or other health care provider, while half of the public says they would want to have such a discussion. Overall, opinion of the health care law has remained divided with similar shares reporting favorable views (41 percent) and unfavorable views (45 percent), with opinion starkly divided by party. The Kaiser Health Policy News Index also finds that the 2016 presidential election is the most widely followed news story included in this month’s Index, placing far ahead of health policy news stories.

  • Kaiser Health Tracking Poll: August 2015

    Feature

    With renewed discussion of the high cost of prescription drugs recently, the August Kaiser Health Tracking poll finds that most Americans feel that drug costs are unreasonable and that drug companies put profits before people. At the same time, the public largely values the role prescription drug companies play, with most saying that prescription drugs developed in the past two decades have made the lives of people in the U.S. better, including about 4 in 10 who say a lot better. When it comes to their views of the Affordable Care Act (ACA) this month, the American public remains divided in their opinion of the law. Those who favor repeal are divided on whether the law should be replaced with a Republican-sponsored alternative or if it should be repealed and not replaced

  • Kaiser Health Tracking Poll: March 2016

    Feature

    The March Kaiser Health Tracking Poll finds that health care is one of many issues that will be important to voters in the Presidential election, trailing concerns about the economy and jobs but leading concerns about immigration. Health care ranks higher for Democratic voters than for Republican and independent voters and is a higher priority for women than for men. Health care costs remain on the forefront of the minds of both the uninsured and voters, with nearly half of uninsured Americans saying that cost is the main reason they haven’t gotten health insurance and voters mentioning cost when asked what specifically about health care will affect their presidential vote. In light of the two women’s health cases before the Supreme Court, this month’s survey examines how the public, and women specifically, feel about the state of women’s reproductive health policy. About one-third of Americans say ‘there is a wide-scale effort to limit women’s reproductive health choices and services, such as abortion, family planning, and contraception’ and a majority of Democratic voters name Hillary Clinton as the candidate for president they trust to represent their view of women’s reproductive health choices and services, while Republican voters don’t coalesce around any one candidate.

  • Health and Health Coverage in the South: A Data Update

    Issue Brief

    This brief provides key data on the South and the current status of health and health coverage in the South to provide greater insight into the health needs in the region and the potential coverage gains that may be achieved through the ACA. It includes data on the uninsured, Medicaid expansion and eligibility for coverage.

  • Kaiser Health Tracking Poll: January 2016

    Feature

    Despite the ongoing debate between Republican lawmakers and President Obama on the future of the 2010 health care law, the January Kaiser Health Tracking Poll finds the Affordable Care Act (ACA) is only one of many issues that may impact voting decisions. While there has been recent focus on improving the value of health care, those with insurance under 65 years old largely say the health care services they receive are at least a good value for what they pay for them. Also, in the final days of the 2016 open enrollment period, many uninsured are largely disengaged from the health care system and opportunities for coverage, with large majorities being unaware of the date for the upcoming deadline to enroll or of the fine for not having health insurance in 2016.

  • Data Note: Abbreviated January 2016 Health Tracking Poll Topline

    Feature

    This is an abbreviated topline for the upcoming January 2016 Kaiser Health Tracking Poll.  It contains the survey questions addressed in Drew Altman's column, "Candidate Policy Plans Resonate More With Democrats. Here’s Why," for The Wall Street Journal's Think Tank.

  • Kaiser Health Tracking Poll: June 2016

    Feature

    The June Kaiser Health Tracking Poll examines attitudes on the Affordable Care Act and provides an in-depth analysis of two of the biggest health policy stories of the month: the Zika virus outbreak and reports about the rising costs of ACA health insurance premiums.