Here's the short answer. The biggest single reason: the extra premium tax credits that lowered Marketplace premiums starting in 2021 were temporary, and they have now expired. With smaller tax credits, more of the monthly premium falls on you — even if your plan's sticker price barely changed. Your income, age, plan choice, and normal yearly rate changes matter too. The good news: most enrollees still qualify for help. In 2026, tax credits still cover about 91% of the lowest-cost plan premium, on average, for eligible HealthCare.gov enrollees.
What the Extra Credits Did — and What Ended
In 2021, the American Rescue Plan temporarily boosted Marketplace premium tax credits in two big ways:
- Bigger credits at every income level. No one had to pay more than 8.5% of household income for the benchmark plan, and people with the lowest incomes could get plans with the full premium covered.
- Credits above the old income cutoff. Before the boost, households earning more than 400% of the federal poverty level got no tax credit at all — the "subsidy cliff." The temporary law removed that cliff.
Those enhancements were always temporary, and they have expired. That returns the tax-credit math to the older, less generous rules — so many people's share of the premium jumped at renewal even where the plan itself changed little.
How Much Less Help Are People Getting?
It depends heavily on your income and age. One official example: for a 50-year-old earning twice the poverty level, tax credits cover 81% of the benchmark plan premium in 2026, down from 93% in 2025. Across HealthCare.gov, the average premium after tax credits for the lowest-cost plan was projected at $50 a month for 2026 — a $13 increase from 2025 — for enrollees who qualify for credits. People with incomes above 400% of the poverty level can be hit hardest, because under the older rules that income level got no credit at all.
Other Reasons Your Bill May Have Jumped
- Your plan's rates went up. Insurers reset premiums every year, and your age also moves you up the rate table.
- Your income estimate changed. Tax credits are based on your projected household income and the local benchmark plan. If your income rose — or you didn't update your application — your credit shrinks.
- You were auto-renewed. If you let the Marketplace re-enroll you automatically, you may have missed a cheaper plan. Also, under a 2025 federal rule, some people auto-re-enrolled in fully subsidized plans without eligibility verification had their advance tax credit reduced by $5 a month until they confirmed their information.
- Verification rules tightened. Since 2025, the Marketplace requires more income and eligibility verification before paying subsidies, so missing paperwork can cost you your credit.
What You Can Do
- Update your Marketplace application. Report your current income and household size. Your credit is only as accurate as your numbers.
- Compare plans instead of auto-renewing. During Open Enrollment (for 2026 coverage, it ran November 1, 2025 – January 15, 2026), you can switch to a cheaper plan in your area. Outside Open Enrollment, a life event like losing other coverage may open a Special Enrollment Period.
- Respond to every Marketplace notice. Missing a verification request can shrink or end your tax credit.
- Check whether you now qualify for other programs. If your income dropped, you or your kids might qualify for Medicaid or CHIP instead.
- Get free help. Marketplace Navigators and certified assisters help at no cost — legitimate assisters never charge you to enroll. Start at HealthCare.gov or your state's marketplace.
Common Questions
Is the "subsidy cliff" at 400% of the poverty level back?
The temporary extra credits that removed the cliff have expired. Under the older rules, households above 400% of the federal poverty level weren't eligible for premium tax credits. Congress can change this at any time, so confirm the current-year rules on HealthCare.gov before you assume anything about your own eligibility.
Did my insurance company do this to me?
Probably not by itself. Insurers do adjust rates yearly, but the sharp jump most subsidized enrollees saw comes from smaller tax credits, not just plan pricing. Your bill reflects the plan's premium minus your credit — when the credit shrinks, your share grows.
Should I drop coverage since it costs more?
Going uninsured has real risks — one hospital stay can cost far more than a year of premiums. Before dropping coverage, compare every plan tier in your area, check Medicaid and CHIP eligibility, and talk to a free Navigator. If you're near 65, see Turning 65 — Medicare may be around the corner.
Where do I see exactly why my credit changed?
Your Marketplace eligibility notice spells out your household income figure, your credit amount, and any data-matching issues. Log in to your HealthCare.gov or state marketplace account and read the most recent notice. If something looks wrong, you can update your application or appeal the eligibility decision.