ACA enrollment plunges by 4.6 million as older adults brace for open enrollment

As open enrollment for Affordable Care Act plans approaches on November 1, millions of Americans are finding themselves priced out of individual coverage [Medicare Rights Center]. A new analysis from health policy research organization KFF reveals that more than 4.6 million fewer people were enrolled in individual marketplace plans as of June 2026 compared to the same time last year [Medicare Rights Center].

The dramatic decline follows the expiration of enhanced premium tax credits at the close of 2025, when Congress opted not to renew the financial relief that had cushioned healthcare expenses for years [Medicare Rights Center]. For millions of households, the loss of these credits has translated into abrupt, double-digit rate hikes, forcing painful trade-offs between household budgets and comprehensive medical protection.

The fallout from expired tax credits

The financial protections now lost were originally established during the COVID-19 pandemic to assist low- and middle-income families with escalating insurance premiums [Medicare Rights Center]. When those temporary federal subsidies lapsed at the end of 2025, the cushion disappeared almost overnight [Medicare Rights Center].

Policy researchers had anticipated a substantial contraction in coverage. Prior estimates from KFF suggested that without the extended assistance, more than 22 million enrollees faced potential premium increases averaging 75 percent nationwide [Medicare Rights Center]. In rural regions, where provider networks are narrower and baseline medical costs are frequently higher, average rate hikes were projected to reach 90 percent [Medicare Rights Center]. The current drop of 4.6 million enrollees confirms that many consumers simply could not absorb the higher out-of-pocket costs and dropped their policies altogether [Medicare Rights Center].

Older adults caught in the coverage bridge

The timing and severity of these price spikes fall particularly hard on adults between the ages of 50 and 64 [Medicare Rights Center]. Under standard insurance rating rules, older consumers are charged significantly higher baseline premiums than younger adults. For individuals in their fifties and early sixties who do not have access to employer-sponsored health insurance, marketplace plans serve as a vital bridge before becoming eligible for Medicare at age 65 [Medicare Rights Center].

Both KFF and AARP previously cautioned that this age group would bear the heaviest burden if the enhanced subsidies expired [Medicare Rights Center]. Because people in this demographic are more likely to manage chronic health conditions, loss of coverage carries steep physical and financial consequences. Going without preventive care, routine screenings, or regular prescriptions during these critical pre-retirement years can disrupt health stability right before transitioning onto Medicare.

Preparing for the November open enrollment window

With open enrollment set to launch on November 1, prospective and returning enrollees face a challenging marketplace landscape [Medicare Rights Center]. Navigating options will require a careful review of household budgets, plan networks, and benefit designs.

For those preparing to shop for coverage, advocates recommend taking several concrete steps before the deadline:

• Review local plan options: Even without enhanced subsidies, standard premium tax credits remain available for qualifying income brackets. Comparing plans on Healthcare.gov can reveal whether a different tier offers more manageable monthly expenses [Medicare Rights Center].
• Check prescription formularies: If you manage a chronic condition, confirm that your specific medications and trusted physicians remain covered under any prospective plan to avoid unexpected out-of-pocket costs.
• Seek non-profit navigator assistance: Navigators and certified application counselors provide free, unbiased guidance to help individuals review subsidy eligibility and understand plan limitations.

While the national drop in enrollment reflects a difficult policy shift, taking an active, informed approach during the upcoming enrollment window remains the most dependable way to preserve essential care.