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The ACA MarketplaceS

Tracking Insurer Changes in the ACA Marketplaces in 2027

As of June 22, six carriers have announced that they will exit the Marketplaces in plan year 2027, either in some or all states that they are currently offering plans; four carriers have announced they will enter new Marketplaces.

An image of text is an excerpt from Cynthia Cox's quick take which reads, "While the Trump administration attributes this drop in enrollment to their attempts to address fraud, this coverage loss happened at the same time millions of people faced steep increases in their premium payments — often in the double or even triple digits — with the expiration of enhanced tax credits."

ACA Marketplace Enrollment Is Down By 3 Million After Big Jump in Premium Payments

Enrollment dropped 13% following the expiration of enhanced premium tax credits at the beginning of this year. Enrollment fell from a high of 22.1 million people in 2025 to 19.2 million people in February 2026. While the Trump administration attributes this drop in enrollment to their attempts to address fraud, this coverage loss happened at the same time millions of people faced steep increases in their premium payments – often in the double or even triple digits – with the expiration of enhanced tax credits.

POLLING on the ACA

Tracking the Public’s Views on the ACA

While overall opinion of the Affordable Care Act has been more favorable than unfavorable since 2017, there remain deep partisan divides. See how public opinion on the ACA has changed from the inception of the law to the present. This interactive tool highlights key moments when views shifted and trends based on party identification, income, age, gender, and race/ethnicity.

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  • Data Note: Abbreviated January 2016 Health Tracking Poll Topline

    Feature

    This is an abbreviated topline for the upcoming January 2016 Kaiser Health Tracking Poll.  It contains the survey questions addressed in Drew Altman's column, "Candidate Policy Plans Resonate More With Democrats. Here’s Why," for The Wall Street Journal's Think Tank. DATA NOTE Download

  • Medicaid Expansion Spending and Enrollment in Context: An Early Look at CMS Claims Data for 2014

    Issue Brief

    This issue brief analyzes spending and enrollment data made available by CMS through the MBES. It breaks out spending and enrollment for the new adult group (Group VIII) that gained coverage in states that adopted the ACA Medicaid expansion. It looks at spending and enrollment for the new adult group in calendar year 2014, putting such data in the context of overall Medicaid spending and enrollment and examines trends across expansion states.

  • States with Section 1115 ACA Expansion Waivers, December 2015

    Feature

    This slide shows the current status of state decisions to use Section 1115 waivers to expand Medicaid. A total of 31 states including DC have adopted the ACA Medicaid expansion, including 6 states with ACA 1115 ACA expansion waivers. AZ has a pending waiver application that seeks changes to its expansion. MT and NH’s waivers will take effect on 1/1/16. PA originally expanded through a waiver but subsequently transitioned to a state plan amendment. TN…

  • Bernie Sanders, Hillary Clinton, and Medicare for All

    News Release

    In his latest column for The Wall Street Journal’s Think Tank, Drew Altman explores the differing positions of presidential candidates Hillary Clinton and Bernie Sanders on a single payer or Medicare-for-all health care system and whether Democratic voters consider it an important factor in the 2016 primaries. All previous columns by Drew Altman are online.

  • Bernie Sanders, Hillary Clinton, and Medicare for All

    From Drew Altman

    In this column for The Wall Street Journal’s Think Tank, Drew Altman explores the differing positions of presidential candidates Hillary Clinton and Bernie Sanders on a single payer or Medicare-for-all health care system and whether Democratic voters consider it an important factor in the 2016 primaries.

  • Kaiser Health Tracking Poll: December 2015

    Feature

    The ACA’s third open enrollment will come to a close at the end of January and the December Kaiser Health Tracking Poll finds that only 7 percent of the uninsured correctly identify this as the deadline to enroll in coverage. With Democratic presidential candidates debating the idea of Medicare-for-all, which involves creating a national health plan in which all Americans would get their insurance through an expanded version of the Medicare program, most Democrats like…

  • Few Uninsured Know Date of Pending Deadline for Obtaining Marketplace Coverage; Many Say They Will Get Coverage Soon, Though Cost is a Concern

    News Release

    Most Democrats Like Medicare-for-All, But Very Few Say the Issue Will Drive Their Votes in the 2016 Elections Similar to Last Month, More Hold Unfavorable Views of the ACA than Favorable Ones The Affordable Care Act's third open enrollment period will end on Jan. 31, but the latest Kaiser Health Tracking Poll finds that only a small share of people without health insurance realize it. Just 7 percent of the uninsured correctly identify January as…

  • Survey of Kentucky Residents on State Health Policy

    Poll Finding

    This survey of Kentucky residents gauges their views on health care policy in the state, including their preferences for the future of the Medicaid expansion and the state-based health insurance marketplace, Kynect. Kentucky has received national attention as the only Southern state to fully embrace the Affordable Care Act, though the state elected a new governor in November 2015 who campaigned on rolling back the Medicaid expansion and ending Kynect.