Affordable Care Act insurance premiums are set to rise sharply next year if Congress doesn't intervene.

That's because enhanced subsidies that have reduced costs for millions of enrollees in health plans purchased through the ACA marketplace in recent years are set to expire after 2025. (The ACA is also referred to as Obamacare.)

The disappearance of these enhanced premium tax credits — a so-called " subsidy cliff " — would cause average premiums to rise by about 75%, according to KFF, a nonpartisan health policy research group. That would amount to more than $700 in additional premium payments per year, on average, KFF found.

The vast majority — about 22 million — of the total 24 million people with a health plan via the ACA marketplace received a premium tax credit in 2025, ac

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