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Errors in Weights Used to Calculate the Chained Consumer Price Index

BLS identified several errors with the weights used to calculate the Chained Consumer Price Index for the first quarter of 2013 through the fourth quarter of 2014. Because the indexes are chained, the 2015 indexes are also affected.

BLS plans to correct the data with the publication of December 2015 indexes on January 20, 2016. The corrected values will be flagged in the database and will be footnoted on the associated publication tables. BLS does not intend to reissue the associated CPI Detailed Reports or News Releases.

The following published indexes, all for the U.S. city average, are affected:

Chained Consumer Price Indexes affected by incorrect expenditure weights, Quarter 1 2013–Quarter 4 2014
Item title Series ID

All items

SUUR0000SA0

Housing

SUUR0000SAH

Shelter

SUUR0000SAH1

Fuels and utilities

SUUR0000SAH2

Household furnishings and operations

SUUR0000SAH3

Transportation

SUUR0000SAT

Private transportation

SUUR0000SAT1

Medical care

SUUR0000SAM

Medical care commodities

SUUR0000SAM1

Medical care services

SUUR0000SAM2

Recreation

SUUR0000SAR

Education and communication

SUUR0000SAE

Education

SUUR0000SAE1

Communication

SUUR0000SAE2

Services

SUUR0000SAS

Commodities

SUUR0000SAC

Durables

SUUR0000SAD

Nondurables

SUUR0000SAN

All items less food and energy

SUUR0000SA0L1E

Energy

SUUR0000SA0E

 

Last Modified Date: January 5, 2016