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Obamacare Premiums Are Set to Rise 13% in 2027. Here Is Why the Problem May Get Worse.
By Bear Creek Staff, . Bear Creek Capital Network.
Average premiums on the Obamacare marketplaces, the insurance exchanges created by the Affordable Care Act (ACA), are on track to rise 13% in 2027, according to an analysis by KFF, a health research group, flagged by Marginal Revolution. The Trump administration released 2027 pricing for 30 states whose markets are run by the federal government; KFF used that data alongside state-level figures to calculate the nationwide figure.
The cheapest bronze plans, which carry high deductibles, will run about $700 a month for a single 50-year-old, according to Ms. Cox of KFF, as cited by Marginal Revolution.
What is driving the increase
CNBC reported, also drawing on KFF data, that insurers participating in the ACA marketplace had proposed a median 15% premium increase for 2027. CNBC noted that if finalized, this would mark the second consecutive year of double-digit premium hikes for marketplace enrollees. The 13% figure is KFF's calculated average from published prices across federal and state markets; the 15% figure is the median of insurer proposals at an earlier stage of the rate-filing process.
CNBC also reported that average out-of-pocket premium payments for ACA enrollees jumped 58% in 2026 alone, rising to $178 per month from $113, according to KFF. The expiration of enhanced premium subsidies, along with other policies tied to what CNBC described as the "big beautiful" legislation, is a factor CNBC cited behind the projected 2027 increases.
The mandate problem
Marginal Revolution's Tyler Cowen offered a structural explanation. When the individual mandate, the requirement that most Americans carry health insurance or pay a penalty, carried real financial penalties, the ACA was deeply unpopular and generated significant political backlash, Cowen wrote. The mandate spread costs by requiring healthier, lower-risk people to enroll. During his first term, President Trump relaxed enforcement of the mandate, which Cowen argues temporarily stabilized the ACA politically while creating a longer-term problem: as premiums rise, healthier people have less reason to sign up, which pushes costs higher for those who remain.
Cowen describes this as an adverse selection problem, meaning that when healthier people leave an insurance pool, the remaining enrollees tend to be sicker and more expensive to cover, which in turn pushes premiums higher still. The ACA was designed with the mandate as a check on that dynamic; without effective enforcement, Cowen argues, the exchanges face growing instability.
What to watch
Two things will shape how far this goes. First, whether the enhanced subsidies are extended: CNBC identified their expiration as a key factor in what enrollees actually pay out of pocket. Second, enrollment figures for 2027, which will show whether the premium increases are accelerating the exit of healthier enrollees from the pool.
For now, the trade-off is straightforward: enrollees who stay in the marketplace face higher premiums and, for those on bronze plans, high deductibles; those who leave give up coverage but avoid the cost. Whether the pool stabilizes or continues to shrink depends largely on the subsidy and enrollment numbers that emerge over the next year.
Sources
1. As predicted, the ACA exchanges seem not to be stable, marginalrevolution.com
2. Your health insurance premiums may take a big jump in 2027 here's why, cnbc.com
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