Social Security COLA Forecasts Point to Larger 2027 Increase, but Final Figure Remains Uncertain

The Senior Citizens League currently projects a 3.8% cost-of-living adjustment, while other estimates range near 3.6% to 3.7%. The official increase will depend on third-quarter CPI-W data that have not yet been fully released.

Updated August 11, 2026

Social Security beneficiaries could receive a larger cost-of-living adjustment in 2027 than they received this year, but the final increase remains uncertain and will be determined by inflation data released over the next two months.

The Senior Citizens League, a nonpartisan advocacy organization for older Americans, currently projects a 3.8% Social Security cost-of-living adjustment, or COLA, for 2027. AARP has estimated an increase of about 3.6%, while independent Social Security and Medicare analyst Mary Johnson has recently put her estimate at 3.7%. All of those forecasts are above the 2.8% adjustment that took effect for Social Security beneficiaries in January 2026.

Those figures are forecasts, not an announced benefit increase. The Social Security Administration does not set the annual COLA based on a discretionary decision by the White House or Congress. The adjustment is calculated automatically under federal law using the Consumer Price Index for Urban Wage Earners and Clerical Workers, known as the CPI-W, produced by the Bureau of Labor Statistics.

That distinction is important because the debate over the economy has become highly political ahead of the 2026 midterm elections. In an August 9 interview on CNN, National Economic Council Director Kevin Hassett argued that workers had experienced stronger real-income gains under President Donald Trump. Hassett specifically said a typical construction or manufacturing worker had seen salary gains of roughly $3,000 to $4,000 and later said the typical overall worker was about $1,000 ahead after adjusting for inflation. The broader claim in some reports that average American workers generally are earning $3,000 to $4,000 more therefore overstates what Hassett said.

Social Security's annual COLA is a separate issue. It is intended to prevent inflation from eroding the purchasing power of benefits. Under the statutory formula, the government compares the average CPI-W for July, August and September with the average for the corresponding third quarter used as the previous COLA base. If the index has risen, benefits are increased by the percentage change, rounded to the nearest tenth of a percentage point.

For 2026, the Social Security Administration calculated a 2.8% COLA based on the increase in the CPI-W from the third quarter of 2024 through the third quarter of 2025. SSA estimated that the average monthly benefit for all retired workers would rise from $2,015 to $2,071 in January 2026 as a result of that adjustment.

More recent SSA statistics have put the average retired-worker benefit at roughly $2,081 per month in spring 2026. Using that figure only as an illustration, a 3.8% COLA would add about $79 per month, bringing the average to roughly $2,160 before considering individual circumstances or deductions such as Medicare premiums. Actual increases differ from person to person because each beneficiary's payment is different.

The original estimate of a roughly $77 monthly increase was based on an average benefit of about $2,026. That benefit figure is no longer the best benchmark for 2026. Even small changes in the base amount can change the estimated dollar increase, which is why percentage forecasts are generally more reliable than a single projected dollar figure before the official COLA is known.

As of August 11, 2026, the calculation period itself is still incomplete. The Bureau of Labor Statistics is scheduled to release July 2026 CPI data on August 12. August data are scheduled for September 11, and September data are scheduled for October 14. That means none of the three published CPI reports needed to complete the third-quarter COLA calculation was available as of August 11.

The most recent available inflation report covered June. BLS said the CPI-W was 3.5% higher than a year earlier in June, even though the index declined 0.5% from May on a not-seasonally-adjusted basis. Energy prices fell sharply during the month, with gasoline prices down 9.7% from May, but energy remained substantially more expensive than a year earlier. Those swings help explain why COLA forecasts can change significantly from one month to the next.

A higher COLA can provide meaningful cash-flow relief to retirees, disabled workers, survivors and other Social Security beneficiaries, but it should not automatically be interpreted as a gain in purchasing power. The purpose of the adjustment is to compensate for inflation. A larger COLA usually means that the prices used to calculate the index have also risen more quickly.

That tradeoff is particularly important for retirees who devote a large share of their budgets to housing, food, utilities and medical costs. Even when the Social Security adjustment roughly tracks measured inflation, a beneficiary's personal expenses can rise faster or slower than the CPI-W depending on where that person lives, what health care is required and how much of the household budget goes toward energy or housing.

The formula itself has also remained a subject of policy debate. The CPI-W reflects spending patterns for urban wage earners and clerical workers, not specifically for retirees. The Bureau of Labor Statistics separately publishes a research index for Americans age 62 and older, commonly called the R-CPI-E. Advocates for changing the Social Security formula argue that an elderly-focused index may better reflect categories such as medical care and housing that can take up a larger share of older households' budgets.

BLS, however, describes the elderly index as a research measure and notes methodological limitations. It is not the index currently used to calculate Social Security COLAs. Changing the statutory formula would require federal policy action; it is not something the Social Security Administration can simply substitute during the annual calculation.

Another source of uncertainty is energy. Oil and gasoline prices have been unusually volatile in 2026 amid the conflict involving Iran and disruptions surrounding the Strait of Hormuz. The original report suggested oil prices were falling as the Trump administration moved closer to a final agreement with Iran. That description is not accurate as of August 11. Reuters reported that oil prices rose that day as U.S.-Iran negotiations remained stalled, with Brent crude around $88 per barrel and U.S. crude above $82.