Mary Johnson forecasts a 4.7% Social Security COLA for 2027, which would rank as the fourth-highest increase in 36 years.
A higher COLA signals elevated inflation, so retirees gain no real purchasing power because the raise simply offsets rising costs.
The final 2027 COLA hinges on CPI-W readings from July through September, with the SSA set to make its official announcement in October.
A recent study identified one single habit that doubled Americans’ retirement savings and moved retirement from dream, to reality. Read more here.
When the Social Security Administration (SSA) announced last year that benefits would be getting a 2.8% cost-of-living adjustment, or COLA, for 2026, many retirees were disappointed. But next year’s raise is shaping up to be a lot more substantial.

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A bout of elevated inflation has reset 2027’s COLA forecast. And if one expert is correct, Social Security recipients could be in line for their fourth-highest raise in 36 years.
What the current COLA projection looks like
In May, the Consumer Price Index for Urban Wage Earners and Clerical Workers (CPI-W) increased 4.4% on an annual basis. The CPI-W is the index used to calculate Social Security COLAs.
Following that reading, Mary Johnson, a seasoned independent Social Security analyst, increased her 2027 COLA forecast to 4.7%. That’s a big jump from Johnson’s 4.2% projection a month prior.
If Social Security’s 2027 COLA does end up coming in at 4.7%, it would be the fourth-highest raise announced in 36 years. Only these COLAs came in higher:
7% announced in 2022
9% announced in 2021
8% announced in 2008
A larger Social Security COLA isn’t necessarily a good thing
A 4.7% COLA might seem like something to celebrate. But it actually signals a less favorable economic reality for retirees on fixed incomes.
The purpose of Social Security COLAs is to help seniors who collect benefits keep up with rising costs. When prices for everyday goods increase, benefits are adjusted upward to preserve Social Security recipients’ buying power.
Read: Data Shows One Habit Doubles American’s Savings And Boosts Retirement
Most Americans drastically underestimate how much they need to retire and overestimate how prepared they are. But data shows that people with one habit have more than double the savings of those who don’t.
The only way for Social Security COLAs to be well above average is for inflation to run hot. That’s what’s been happening in the wake of the Middle East crisis.
Soaring oil prices are not only hurting consumers at the pump, but across the broad economy. When it costs more to transport goods, the cost of just about everything has the potential to go up.