More than a decade after its enactment, tens of millions of people nationwide rely on coverage options created through the Affordable Care Act of 2010 (ACA). The law has survived multiple court challeges at the U.S. Supreme Court and repeated attempts by Republicans in Congress to repeal it. Subsequent legislation has scaled back some aspects of the law and expanded others, including by the COVID-19 relief bill, the American Response Plan Act of 2021. This page highlights relevant analysis about the ACA and proposed and enacted changes to it..

For information about ACA Marketplace Open Enrollment, including fact sheets and 300+ FAQs, visit our collection of resources on Understanding Health Insurance.

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How ACA Marketplace Premiums Are Changing by County in 2022

Premiums for ACA Marketplace benchmark silver plans are decreasing on average across the U.S. in 2022. However, premium changes vary widely by location and by metal level, including premium increases in a number of counties and plans.

More Than 6 in 10 of the Remaining 27.4 Million Uninsured People in the U.S. are Eligible for Subsidized ACA Marketplace Coverage, Medicaid or the Children’s Health Insurance Program

Recent policy attention has focused on efforts to reduce the number of uninsured people in the U.S. by expanding eligibility for coverage assistance, including enhanced premium subsidies in the Affordable Care Act (ACA) Marketplace and filling the Medicaid “coverage gap.” A new KFF analysis shows that a majority of the…

Ten Changes to Watch in Open Enrollment 2022

Even as the ninth annual Open Enrollment period gets underway, the Affordable Care Act (ACA) Marketplaces continue to evolve and important changes are expected. This issue brief discusses what changes to watch out for in the coming enrollment period.

KFF Health Tracking Poll – October 2021: Home And Community Based Services And Seniors’ Health Care Needs

The October KFF Health Tracking Poll explores experiences with unpaid caregiving, and favorability of expansion of home and community based services (HCBS). It also examines experiences with difficulty affording and putting of health care services among seniors, favorability of the ACA and experience with determining eligibility for lower cost insurance as part of the COVID relief package.

The Inequity Of The Medicaid Coverage Gap and Why It Is Hard To Fix It

In this column for the JAMA Health Forum, Larry Levitt explores why the Medicaid “coverage gap” still exists in 12 states that have not expanded their Medicaid programs under the Affordable Care Act, why it matters, and why eliminating it could prove challenging.

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Filling the need for trusted information on national health issues, the Kaiser Family Foundation is a nonprofit organization based in San Francisco, California.