2027 COLA Net Increase After Medicare Part B (3.6% Raise)

Table comparing the gross 2027 Social Security COLA raise with the net increase after the projected Medicare Part B premium, for benefits from $1,000 to $4,000 a month

To find your 2027 COLA net increase after Medicare Part B, take the 3.6% raise and subtract the projected $6.60 rise in the Part B premium. On a $2,000 monthly benefit, that works out to $72 more before Medicare and about $65.40 more in your deposit starting January 2027. The average retired worker's benefit goes from $2,095 to $2,170. That's about $75 more before Medicare and roughly $68 more after it.

Last updated: October 24, 2026 · By Syed Kaja Moinudeen

Key takeaways
  • Social Security announced a 3.6% COLA for 2027 on October 14, 2026. It's the largest since 2023 and starts with January 2027 payments.
  • The 2026 Medicare Trustees Report projects the standard Part B premium will rise from $202.90 to about $209.50, an increase of $6.60. CMS sets the official figure in the fall.
  • After Part B, the net raise is roughly $29 on a $1,000 benefit, $65 on $2,000 and $137 on $4,000.
  • The maximum federal SSI payment rises to $1,029 for an individual and $1,544 for a couple. The January SSI payment arrives December 31, 2026.
  • Higher earners who pay IRMAA surcharges, and anyone whose Part D premium is deducted from their check, will net less.

The 2027 COLA in 30 Seconds: 3.6%, About $75 More on Average, Starting January 2027

The SSA 2027 COLA fact sheet confirms a 3.6% cost-of-living adjustment. It's based on the rise in the CPI-W from the third quarter of 2025 to the third quarter of 2026. Last year's COLA was 2.8%.

In plain numbers, the average retired worker goes from about $2,095 a month to about $2,170. That's roughly $75 more per check, or about $900 more over the year before Medicare comes out.

The raise applies to benefits for December 2026, which are paid in January 2027. If your January deposit doesn't look bigger, check your payment date before you worry. The dates are covered below.

How the 2027 Medicare Part B Premium Eats Into Your Raise ($202.90 Now, About $209.50 Projected)

Most retirees on Medicare have the Part B premium taken straight out of their Social Security payment. So any premium increase comes off the top of your COLA.

The current standard premium is $202.90 a month. That figure comes from the CMS 2026 Medicare premiums fact sheet, and it was a $17.90 jump from $185 in 2025. For 2027, the 2026 Medicare Trustees Report, as summarized by KFF, projects about $209.50. That's an increase of $6.60.

That is much gentler than last year. A $17.90 jump against a 2.8% COLA ate a big slice of many 2026 raises. A $6.60 increase against a 3.6% COLA leaves most of the 2027 raise intact.

One caution: $209.50 is a projection, not the official premium. CMS usually announces the final number in the fall. We'll update this post and the table below when it does.

2027 Net COLA Table: Gross vs. Take-Home Increase at $1,000, $1,500, $2,000, $2,500, $3,000 and $4,000 Benefits

The table assumes you pay the standard Part B premium through your Social Security check and have no other deductions. "Gross benefit" means your benefit before Medicare is taken out. The 2027 Part B figure is the Trustees' $209.50 projection.

2026 gross benefit 2027 gross benefit (+3.6%) Gross raise 2026 deposit (after $202.90) 2027 deposit (after $209.50) Net raise
$1,000$1,036$36.00$797.10$826.50$29.40
$1,500$1,554$54.00$1,297.10$1,344.50$47.40
$2,000$2,072$72.00$1,797.10$1,862.50$65.40
$2,500$2,590$90.00$2,297.10$2,380.50$83.40
$3,000$3,108$108.00$2,797.10$2,898.50$101.40
$4,000$4,144$144.00$3,797.10$3,934.50$137.40

Over a full year, the net raise on a $2,000 benefit comes to about $785. On a $1,000 benefit it's about $353. SSA rounds benefit amounts, so your exact figure may differ by a few cents to a dollar.

How to Calculate Your Own Net Raise in 3 Steps (Using Your SSA COLA Notice in my Social Security)

  1. Find your gross benefit. Use your monthly amount before Medicare and tax withholding, not the deposit that hits your bank. It's listed on your benefit statement and on your COLA notice.
  2. Multiply by 0.036. For example, $1,850 × 0.036 = $66.60. That's your gross raise.
  3. Subtract every deduction that changes. Start with the Part B increase ($6.60 projected). Then subtract any change in a Part D or Medicare Advantage premium you have withheld, plus any change in IRMAA. In this example, $66.60 − $6.60 = $60.00 net.

You don't have to rely on math alone. Per SSA's 2027 COLA announcement, people with a personal my Social Security account can see their COLA notice in the Message Center starting in late November. That's up to three weeks before the paper notice. To see it online, you must create an account and enroll in paperless notices by November 18. Everyone else gets the notice by mail in December. The notice lists your new benefit, your exact deductions and your payment dates. Medicare enrollees will also see their 2027 premium there starting in late November.

The Hold-Harmless Rule: Who Is Protected If Part B Rises Faster Than Your COLA (and Who Isn't)

The hold-harmless provision stops your net Social Security payment from going down because of a Part B increase. The Medicare Rights Center's explainer describes how it works. If the dollar increase in your Part B premium is larger than the dollar increase in your benefit, your premium increase is capped at the size of your raise.

In 2027 the rule will barely come into play. A 3.6% COLA beats a $6.60 premium increase for anyone whose benefit is above about $184 a month. Last year was different: according to AARP, only people with benefits of $639 or less were protected from the full 2026 increase.

Not protected under the rule:

  • People enrolling in Part B for the first time in 2027.
  • Higher-income beneficiaries who pay an income-related surcharge (IRMAA).
  • People who don't have the Part B premium deducted from their Social Security check.
  • People in a Medicare Savings Program. They lose nothing, though, because the state keeps paying their premium.

Higher Earners: How IRMAA Surcharges and Part D Premiums Shrink the 2027 Raise Further

If your income is higher, you pay more than the standard Part B premium. You also pay an extra Part D amount. These income-related monthly adjustment amounts (IRMAA) use a two-year lookback, so 2027 surcharges will be based on your 2025 tax return. The 2027 brackets and amounts are not out yet. Here are the 2026 tiers from the CMS 2026 fact sheet for reference:

2024 MAGI (single) 2024 MAGI (joint) 2026 Part B monthly Part D add-on
$109,000 or less$218,000 or less$202.90$0
Over $109,000 to $137,000Over $218,000 to $274,000$284.10$14.50
Over $137,000 to $171,000Over $274,000 to $342,000$405.80$37.50
Over $171,000 to $205,000Over $342,000 to $410,000$527.50$60.40
Over $205,000 to under $500,000Over $410,000 to under $750,000$649.20$83.30
$500,000 or more$750,000 or more$689.90$91.00

IRMAA works like a cliff. Go $1 over a threshold and you pay the full surcharge for that tier. The surcharges are tied to the standard premium, so they'll rise in 2027 along with it. A retiree in the top tier could see several times the standard $6.60 increase come out of their raise.

Did your income drop because of retirement, a cut in work hours, divorce or the death of a spouse? You can ask SSA to use your newer, lower income by filing Form SSA-44. See SSA's lower IRMAA page.

Part D costs are also changing. Kiplinger reports that under CMS's 2027 parameters, the out-of-pocket cap rises from $2,100 to $2,400 and the standard deductible rises from $615 to $700. If your drug plan premium is withheld from your check, any increase comes out of your COLA too.

SSI and Dual Beneficiaries: New $1,029 / $1,544 Maximums and Why the January Payment Arrives Dec 31

SSA's SSI federal payment page sets the 2027 maximums:

  • Individual: $1,029 a month, up $35 from $994.
  • Couple: $1,544 a month, up $53 from $1,491.

SSI is normally paid on the 1st. January 1, 2027 is a federal holiday, so the January payment goes out on Thursday, December 31, 2026. That means two SSI deposits land in December and none in January. Budget for it.

Some people get both Social Security and SSI. For them, the Social Security raise counts as income. SSA ignores the first $20 of unearned income each month (the general income exclusion described in SSA's Red Book) and counts the rest against SSI. So when your Social Security goes up, your SSI payment can go down. Your combined total generally grows by about the $35 increase in the federal maximum, not by 3.6% of both checks. State supplements vary.

Payment Dates: When the 2027 COLA First Hits Your Bank Account

Per SSA's 2027 payment schedule:

  • Birthday on the 1st–10th: Wednesday, January 13, 2027.
  • Birthday on the 11th–20th: Wednesday, January 20, 2027.
  • Birthday on the 21st–31st: Wednesday, January 27, 2027.
  • Paid on the 3rd (benefits started before May 1997, or you get both Social Security and SSI): January 3 falls on a Sunday and January 1 is a holiday, so the payment moves up to Thursday, December 31, 2026.
  • SSI: December 31, 2026.

Keep More of Your Raise: Medicare Open Enrollment (Oct 15 – Dec 7) Moves, Medicare Savings Programs and Tax Withholding

Medicare Open Enrollment runs from October 15 to December 7, 2026. Changes take effect January 1, 2027, according to AP coverage of the 2027 season. A $65 raise disappears quickly if your drug plan's premium jumps $40. Use this checklist:

  1. Read your Annual Notice of Change. Look for changes to the premium, the deductible and the drug list for 2027.
  2. Compare Part D plans on Medicare.gov. Enter your actual prescriptions. With the deductible rising to $700, two plans that look the same on premium alone can end up hundreds of dollars apart.
  3. Weigh Medicare Advantage "giveback" plans carefully. Some plans reduce your Part B premium, and the amount varies by county. Johns Hopkins researchers note these plans can come with narrower networks and access trade-offs. Check copays and doctors before you switch.
  4. Check Medicare Savings Programs. If your income and savings are modest, a Medicare Savings Program (QMB, SLMB or QI) can pay your full Part B premium, which turns the entire COLA into take-home money. You apply through your state Medicaid office, and some states use limits above the federal ones. QI enrollees must reapply every year. Free help is available from your State Health Insurance Assistance Program (SHIP).
  5. Review tax withholding. A bigger check can mean a bigger tax bill. Using Form W-4V, you can have 7%, 10%, 12% or 22% withheld from your benefit. See SSA's withholding page.
  6. Appeal IRMAA if your income fell. File Form SSA-44 after a qualifying life-changing event.

Still working and saving in a 401(k) while you plan your claiming date? Our guide to the Roth catch-up rule for 2027 explains a separate change that affects higher earners age 50 and up.

Frequently Asked Questions

How much will my Social Security check increase in 2027?

Multiply your gross monthly benefit by 3.6%. A $1,500 benefit rises $54 and a $2,000 benefit rises $72 before Medicare. After the projected $6.60 increase in the Part B premium, those deposits grow by about $47.40 and $65.40.

When will the 2027 COLA show up in my check?

Most retirees see it in the January 2027 payment, which arrives on January 13, 20 or 27 depending on birth date. SSI recipients and people paid on the 3rd of the month get their January payment early, on December 31, 2026, because January 3 falls on a Sunday and January 1 is a federal holiday.

Will the Part B premium be final in November?

The $209.50 figure is a projection from the 2026 Medicare Trustees Report. CMS normally publishes the official premium in the fall, and your 2027 premium will also appear in your my Social Security Message Center starting in late November. We will update the table when CMS releases it.

Is the COLA taxable?

The raise is part of your Social Security benefit, so it follows the normal rules. Up to 50% of benefits can be taxable when combined income exceeds $25,000 for single filers or $32,000 for joint filers, and up to 85% above $34,000 or $44,000. Those thresholds are not adjusted for inflation, so COLAs push more retirees over them over time.

Does the COLA affect the new $6,000 senior deduction?

Not directly. Taxpayers 65 and older can claim an extra $6,000 deduction for tax years 2025 through 2028. It phases out by 6 cents per dollar of modified adjusted gross income above $75,000 for single filers or $150,000 for joint filers. A COLA only matters if your taxable benefits push your income into that phase-out range.

Does the hold-harmless rule protect me in 2027?

Only in rare cases. With a 3.6% COLA and a projected $6.60 Part B increase, anyone whose benefit is above about $184 a month gets a raise larger than the premium increase. The rule also does not cover new Part B enrollees, people paying IRMAA, or people who don't have the premium deducted from their check.

How do SSI recipients get the 2027 increase?

The federal SSI maximum rises to $1,029 for an individual and $1,544 for a couple, up from $994 and $1,491. The higher January 2027 payment is deposited on December 31, 2026. If you also receive Social Security, your Social Security raise counts as income, so your SSI payment may change by a different amount.

Sources

Disclaimer: This article is educational information only. It is not financial, tax or legal advice. Check your own figures with SSA, Medicare or a qualified professional.

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