Projections now point to a potentially larger Social Security cost-of-living adjustment for 2027, which has some retirees weighing whether to start benefits sooner to capture a bigger COLA. Financial planners say that, for most people, postponing benefits still leads to a higher long-term payout thanks to built-in credits and the way annual increases compound.
How Social Security COLAs are set
Social Security payments are increased each year through a cost-of-living adjustment tied to inflation measures. The Social Security Administration normally announces the official COLA in October, based on third-quarter inflation data.

Recent estimates have placed the 2027 COLA in the neighborhood of 3.4%–3.6%, up from the 2.8% increase beneficiaries received in 2026. Large COLAs in 2022 and 2023 — 5.9% and 8.7% respectively — showed how volatile annual adjustments can be when inflation spikes.
| Year | COLA |
|---|---|
| 2022 | 5.9% |
| 2023 | 8.7% |
| 2026 | 2.8% |
| 2027 (projection) | 3.4%–3.6% (est.) |
Why waiting to claim often wins out
Delaying benefits increases your monthly payment by a fixed percentage each year up to age 70. For people born in most recent cohorts, waiting beyond full retirement age adds roughly 8% per year in delayed retirement credits.
That higher base amount then receives future COLAs, so postponing not only raises your starting benefit but also enlarges every subsequent inflation adjustment. Over time, those compounding effects can make a substantial difference.
- Age 62: Earliest eligible age — benefit reduced compared with full retirement age.
- Full retirement age (FRA): Typically 66 or 67 depending on birth year — you receive 100% of your primary insurance amount (PIA).
- Age 70: Maximum monthly benefit — delayed credits stop accruing after 70, so most people who can afford to wait delay to this age for the largest guaranteed payout.
Financial counselors advise running scenarios rather than reacting emotionally to a larger-than-expected COLA. A year-by-year review lets retirees weigh changes in health, savings, and family circumstances before committing.
Illustrative example: how compounding works
To show the mechanics, consider a hypothetical claimant with a primary insurance amount (PIA) of $3,000 at full retirement age. The following table compares rough monthly payouts at different claiming ages and how cumulative COLAs can widen the gap over time (this example uses historical COLAs through 2026 and a flat future assumption for illustration).

| Claiming age | Base monthly benefit (no COLAs) | Estimated benefit after COLAs |
|---|---|---|
| 62 | $2,250 | $2,250 |
| Full retirement age (≈66) | $3,000 | $3,205 |
| 70 | $3,960 | $5,091 |
In this scenario, delaying from 62 to 70 increases the starting benefit by roughly three-quarters. That larger sum also becomes the base for every future COLA, so the nominal advantage grows with each yearly adjustment.
Policy risks and what could change
The backdrop to these decisions includes longer-term funding concerns. Social Security’s retirement trust fund is projected to be exhausted in roughly six years; if lawmakers do not act, benefits would be paid only from incoming payroll tax revenue, which could reduce payments for beneficiaries.
Proposals to address the shortfall range from changes to tax and benefit formulas to options that would alter how COLAs are calculated. For example, some fiscal watchdogs have suggested targeted caps on annual increases for the highest-benefit recipients. Any such reforms would require Congressional action and are not automatic.
Practical steps for claim decisions
Most planners recommend treating the claiming choice as a financial decision, not a knee-jerk reaction to a single projected COLA. Practical steps include:
- Model benefits at multiple claiming ages to see long-term income outcomes;
- Factor in health status, life expectancy, and spousal survivor needs;
- Use Social Security statements or verified calculators to compare scenarios;
- When possible, consider delaying the higher-earning spouse to boost survivor protection.
Advisors repeatedly urge clients not to rush simply to capture a one-time, larger COLA. For many retirees, the guaranteed increase from delaying — and the subsequent compounding of future COLAs — outweighs the short-term gain of claiming immediately.
With the official 2027 COLA still pending, the best course for most people is to model several outcomes and revisit the decision annually rather than make a permanent choice under pressure.
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Jordan Keller specializes in analyzing the US financial markets. With concrete recommendations, he helps you secure and boost your investments by providing strategies that adapt to market fluctuations.