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The ACA MarketplaceS

Change in February effectuated enrollment, by state, 2025-2026

How Has ACA Marketplace Enrollment Changed Across States in 2026?

ACA Marketplace enrollment fell this year in every state except New Mexico, which was the only state to fully replace the enhanced premium tax credits that expired last year with a state-funded subsidy, according to a new KFF analysis of effectuated enrollment data. The Marketplace enrollment decline—the first in seven years—follows several years of rapid enrollment growth and coincides with the end of the enhanced federal subsidies.

How Much and Why ACA Marketplace Premiums Are Going Up in 2027

ACA Marketplaces insurers are proposing a median premium increase of 15% in 2027, according to KFF’s updated analysis of 276 insurers with publicly available filings across all 50 states and the District of Columbia. This is the second consecutive year of double-digit premium hikes. Last year’s median nationwide proposed rate change was 18%, and the median finalized rate change was 20%. While this proposed rate change is lower than last year, it represents the second-highest requested rate change since 2018, as premium growth had been relatively flat in this market for several years.

About the ACA

Promotional image for KFF video How Affordable is the Affordable Care Act

Did the Affordable Care Act Make Health Care More Affordable?

The expiration of the ACA’s enhanced premium tax credits at the start of 2026, combined with rising insurer premiums, put a spotlight on health care affordability that extends beyond Marketplace enrollees. KFF’s Cynthia Cox examines the ACA’s record and the broader underlying question it raises: what’s a fair price for Americans people to pay for health care?

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  • ACA Coverage Expansions and Low-Income Workers

    Issue Brief

    This brief highlights low-income workers and the impact of ACA coverage expansions on this population. Low-income workers may not have access to jobs that provide full-time, full-year employment or jobs with comprehensive benefit packages, including health insurance. Medicaid plays an important role in providing health coverage for low-income workers, and coverage expansions implemented under the ACA have produced substantial coverage gains for low-income workers and a corresponding reduction in the uninsured. However, low-income workers in…

  • Early Analysis of 14 Major Cities Finds Benchmark Silver Plan Premiums in ACA Marketplaces Estimated to Rise 10 Percent on Average in 2017

    News Release

    A Kaiser Family Foundation analysis of Affordable Care Act proposed marketplace rates finds benchmark silver plan premiums are projected to increase 10 percent in 2017 on average across 14 major metropolitan areas. Based on proposed rate filings in 13 states plus the District of Columbia where complete information is currently available, the analysis assesses how premiums for the second lowest-cost silver plan – which is the basis for enrollees’ tax credits -- would change in…

  • Two Year Trends in Medicaid and CHIP Enrollment Data: Findings from the CMS Performance Indicator Project

    Issue Brief

    This brief provides an overview of recent trends in Medicaid and CHIP enrollment as of January 2016, based on data from the Centers for Medicare and Medicaid Services (CMS) produced as part of its Performance Indicator Project. The project was designed to provide timely data on Medicaid and CHIP eligibility and enrollment that are intended to help strengthen data-driven program management and oversight efforts at both the national and state level. They also provide insight…

  • Comparison of Medicare Provisions in Recent Bills and Proposals to Repeal and Replace the Affordable Care Act

    Issue Brief

    Repealing and replacing the Affordable Care Act is a top priority of the Trump Administration and the Republican leadership, which could have implications for the Medicare program. This brief provides a side-by-side comparison of the Medicare-related provisions in six bills and proposals that would repeal the ACA, excluding proposals that would not directly affect Medicare.

  • ACA Medicaid Expansion Drove Nationwide Increase in Health Coverage for People with HIV, First National Analysis Finds

    News Release

    As Congress moves to repeal the Affordable Care Act, a new analysis from the Kaiser Family Foundation provides the first national estimates of changes in health coverage for people with HIV since the law was implemented. It finds that rolling back the law’s Medicaid expansion could significantly impact coverage for people with HIV. Nationwide, Medicaid coverage for people with HIV in care rose six percentage points between 2012 to 2014, when ACA coverage expansions took…

  • Listening to Trump Voters with ACA Coverage: What They Want in a Health Care Plan

    Issue Brief

    President Donald Trump and Republicans in Congress are moving to follow through on their campaign promise to repeal and replace the Affordable Care Act (ACA). To gain a better understanding of the personal experiences of Trump voters with health coverage provided through the ACA and the changes they hope to see in the health system moving forward, the Kaiser Family Foundation (KFF) held focus groups in December 2016 with Trump voters in cities in three…

  • What is at Stake for Health and Health Care Disparities under ACA Repeal?

    Issue Brief

    This brief describes health and health care disparities today, highlights recent advancements in reducing disparities under the Affordable Care Act (ACA), and discusses how the American Health Care Act (AHCA) and proposed reductions in discretionary funding may affect ongoing efforts to address disparities.