BEA Will Update PCE Inflation Method on September 30
New calculations for the PCE price index will debut alongside August data to improve accuracy in measuring key service sectors.
Updated on Sept. 28, 2026 in Inflation
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The Bureau of Economic Analysis will publish its Personal Consumption Expenditures Price Index for August on September 30, 2026. This release will implement a methodological update designed to improve the accuracy of pricing trends.
Why it matters
Policymakers prefer PCE data because it is broader and updates more frequently than the Consumer Price Index. The bureau is adjusting its methodology to mitigate distortions in sectors like software and legal services.
The Cleveland Fed estimates August headline PCE inflation at 3.8 percent, up from 3.7 percent in July. Methodological adjustments could reduce annual core inflation by up to 40 basis points, potentially slowing the rate to 2.9 percent.
The players
Bureau of Economic Analysis
This is a primary federal agency within the U.S. Department of Commerce responsible for producing national economic accounts.
Federal Reserve
This is the central banking system of the United States that manages monetary policy and sets interest rates.
Cleveland Fed
This is one of the 12 regional banks that make up the Federal Reserve System and produces various economic inflation estimates.
The details
The updated methodology incorporates data from federal budget numbers, IRS income information, and the Census Bureau Annual Integrated Economic Survey. These changes are being applied retroactively to the first quarter of 2021 to ensure consistent longitudinal comparisons.
Timeline
Q1 2021: Retroactive effective date for updated PCE methodology.
September 2026: Federal Reserve implemented a quarter-point interest rate increase.
September 30, 2026: Publication of August PCE data and methodology update.
October 2026: Next Federal Reserve policy meeting.
Macro View
The Personal Consumption Expenditures Price Index is a standard metric for measuring inflation trends across the U.S. economy. This update modifies the calculation framework of the index itself to improve data precision compared to historical cycles.
The methodological shift may alter the inflation figures that influence Federal Reserve interest rate decisions, which directly impact mortgage and loan costs for families. More accurate inflation reporting helps the public understand long-term shifts in the cost of living.
The takeaway
The Bureau of Economic Analysis is updating its data collection to provide a more precise view of service sector pricing. Readers should watch for how these revised figures influence the Federal Reserve’s upcoming interest rate strategy in October.
What happens next
The Bureau of Economic Analysis will release the updated August data on September 30, 2026, followed by the next Federal Reserve policy meeting in October 2026.
Further reading
For more information on current price indices, visit the Inflation section.
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Will the upcoming inflation data cause the Federal Reserve to pause interest rate hikes?
