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 brief estimates the share of adults with pre-existing conditions by metropolitan and micropolitan statistical area (MMSA), and finds that in some areas, nearly four in ten have so-called declinable medical conditions that could lead to denials of individual insurance coverage based on pre-ACA underwriting guidelines.
As Congress presses forward with efforts to repeal and replace the Affordable Care Act, a new interactive map from the Kaiser Family Foundation provides a window into the changes in health insurance coverage and financing in each state under the 7-year-old law. The ACA increased enrollment in health insurance by expanding Medicaid, offering tax credits to low- and middle-income marketplace enrollees and reforming insurance market rules concerning coverage for people with pre-existing health conditions. Map…
Larry Levitt’s August 2015 piece analyzes Affordable Care Act replacement plans proposed by 2016 Republican presidential candidates, and compares them to the health care law. The post is now available at the Los Angeles Times.
In this column for The Wall Street Journal’s Think Tank, Drew Altman discusses why many people may not know whether or not they are benefiting from the Affordable Care Act.
As local, state and federal official debate when and how to reopen schools across the nation, a new KFF analysis estimates nearly 1.5 million teachers have health conditions that put them at higher risk of serious illness if they were to contract COVID-19. This represents nearly one in four (24%) of all teachers around the country, creating challenges for schools trying to provide in-person classroom education safely for students and teachers alike. While children are…
The fate of the Affordable Care Act is again in doubt, with the Supreme Court set to hear arguments in California v. Texas days after the Presidential election. Protections for people with pre-existing conditions are at risk it is worth revisiting what it was like for people with pre-existing conditions to obtain coverage before this law.
Facing a challenge now before the Supreme Court, the Affordable Care Act (ACA) included provisions to protect people with pre-existing conditions from discrimination in the individual employment market. This post explains what pre-existing conditions are and the different estimates for the number of people who have them.
With the death of Justice Ruth Bader Ginsburg, a lawsuit before the Supreme Court to overturn the Affordable Care Act (ACA) suddenly has a much better chance of succeeding. And, that could make protections for people with pre-existing conditions an even bigger campaign issue.
This post examines the implications of Republican voters wanting the Supreme Court to overturn the entire Affordable Care Act, but not the law’s protections for people with pre-existing conditions.
In this perspective published by the Washington Post, KFF Executive Vice President for Health Policy Larry Levitt explains why the popular Affordable Care Act provisions that ensure people with pre-existing conditions can access affordable health insurance can't easily be preserved if other related provisions are overturned.
© 2026 KFF
