Obamacare and You: If You Have a Pre-Existing Condition
This short explainer highlights the changes for people with pre-existing health conditions coming under the Affordable Care Act, also known as Obamacare.
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 short explainer highlights the changes for people with pre-existing health conditions coming under the Affordable Care Act, also known as Obamacare.
Greater Share Like Preventive Services, MLR Than Are Aware Of Them Download Source Kaiser Family Foundation Health Tracking Poll (conducted August 7-12, 2012)
Many Elements Of Health Reform Law Continue To Be Popular Across Parties Download Source Kaiser Family Foundation Health Tracking Poll (conducted February 29-March 5, 2012)
Health-Insurance-Exchanges-or-Marketplaces-HEALTHREFORM Download
Every summer, health insurers submit rate filings to state regulators detailing expectations and justifying premium rate changes for ACA-regulated health plans for the coming year. With the enhanced premium tax credits set to expire at the end of 2025, consumers can expect increases in how much they pay for coverage. KFF examines 23 early insurer premium filings from Vermont, Oregon, Washington, and Washington, DC, which include an additional 4 percent increase in premiums, on average,…
This chart examines individual market enrollment data from 2011 through 2025, when enrollment reached a record high of 25.2 million people. Affordable Care Act (ACA) Marketplace enrollment increased following the enactment of enhanced premium tax credits in 2021, as more individuals became eligible for subsidies.
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. Majorities of Democrats (91%), independents (80%), and Republicans (63%) say the enhanced tax credits should be extended by Congress, as do more than half (56%) of…
In his latest column, KFF’s President and CEO Dr. Drew Altman looks at why the issue of extending the enhanced ACA tax credits has languished in Congress without clear direction, despite its importance to the 24 million people who get their coverage in the ACA Marketplaces today and the potentially significant role the issue could play in the midterms if the credits are not extended.
The ACA Marketplace Open Enrollment season begins November 1, and with it comes looming changes to the enhanced premium tax credits, increases in out-of-pocket premium payments, new Marketplace eligibility rules, and more. Read our analysis of what these and other changes could mean for new and returning enrollees.
© 2026 KFF