The independent source for health policy research, polling, and news.
KFF’s policy research provides facts and analysis on a wide range of policy issues and public programs.
KFF designs, conducts and analyzes original public opinion and survey research on Americans’ attitudes, knowledge, and experiences with the health care system to help amplify the public’s voice in major national debates.
KFF Health News is a national newsroom that produces in-depth journalism about health issues and is one of the organization’s core operating programs.
This was published as a Wall Street Journal Think Tank column on November 19, 2014. Kaiser Family Foundation calculations of how many Americans could lose subsidies in 2016 depending on the Supreme Court’s ruling in King v. Burwell. The Supreme Court is expected to rule next year on King v.
The 2023 Affordable Care Act (ACA) Open Enrollment period will run from November 1, 2022 to January 15, 2023 in most states, longer in some state-based marketplaces. This policy watch examines nine changes that may affect what enrollees pay for coverage, the size of tax credits for those eligible, and other changes that could affect enrollees' experiences.
Given recent news about some high-cost prescription drugs and the debate about who should pay for them, this month’s Kaiser Health Tracking Poll has a special focus on the issue. Nearly three-quarters of the public think that the cost of prescription drugs is unreasonable. Americans place much of the blame with the drug companies saying they set prices too high and that company profits are a major factor in drug pricing. The poll also finds that most of the public still hasn’t heard much about the Supreme Court case on whether people in states with federal marketplaces are eligible for financial assistance to purchase health insurance. Most feel that Congress and states should act if the Court rules for the plaintiffs, but there is no agreement among partisans.
Key provisions of the 2010 Affordable Care Act (ACA) create new Marketplaces for people who purchase insurance directly and provide new premium tax credits to help people with low or moderate incomes afford that coverage. This analysis estimates that about 17 million people who are now uninsured or who buy insurance on their own (“nongroup purchasers”) will be eligible for premium tax credits in 2014. This issue brief provides national and state estimates for tax credit eligibility for people in these groups.
As the Supreme Court hears cases challenging the constitutionality of parts of the Affordable Care Act, a relatively small share of the public thinks the Supreme Court’s decision will have a lot of impact on their family (28 percent).
The Affordable Care Act (ACA) requires private health insurers to cover recommended preventive services such as colonoscopies without any patient cost-sharing. This report finds that confusion over whether colon cancer screenings are preventive care or treatment means patients sometimes receive unexpected bills for the procedure. The report examines cost-sharing practices for colorectal screenings through interviews with experts and officials in the medical and insurance industries.
This report was co-authored by The Kaiser Family Foundation, American Cancer Society, and National Colorectal Cancer Roundtable.
The August Kaiser Health Tracking Poll finds that even though 32 million uninsured Americans will gain health insurance under the ACA, only about half of non-elderly Americans currently without coverage say they are familiar with the chief components in the law designed to achieve this goal.
The 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).
With the Affordable Care Act’s (ACA) enhanced premium tax credits set to expire at the end of 2025, a large majority (77%) of the public favor Congress extending the credits while about one in five (22%) say they should let them expire, the latest KFF Health Tracking Poll finds.
This analysis and interactive map illustrate how much more enrollees in Affordable Care Act (ACA) Marketplace plans would pay in premiums at the congressional district level if the enhanced subsidies were to expire in 2026 as under current law. The tool presents scenarios for an older couple who would lose subsidy eligibility due to their income level and for a single person with a $31,000 income. It also presents net average premium payment increases in each district in states that use Healthcare.gov.
© 2026 KFF