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The Bureau of Labor Statistics began publishing a consumer price index (CPI) called the Chained Consumer Price Index for All Urban Consumers, effective with release of July data on August 16, 2002. Designated the C-CPI-U, the index supplements the existing indexes already produced by the BLS: the CPI for All Urban Consumers (CPI-U) and the CPI for Urban Wage Earners and Clerical Workers (CPI-W). For more information go to http://www.bls.gov/cpi/superlink.htm.
Each year with the release of the January CPI, seasonal adjustment factors are recalculated to reflect price movements from the just-completed calendar year. This routine annual recalculation may result in revisions to seasonally adjusted indexes for the previous 5 years.
Revised seasonally adjusted indexes are available here ftp://ftp.bls.gov/pub/special.requests/cpi/revseas_2001cpi.txt. Seasonally adjusted indexes in our LABSTAT database have also been updated. Use one of the tools in the Create Customized Tables section to retrieve historical series.
For information about changes in our seasonal aggregation, please see the Technical Note titled Aggregation on Dependently Adjusted Seasonally Adjusted Series http://www.bls.gov/cpi/cpisatn2001.pdf
Soon after the publication of September CPI data on October 18th, 2002, the Social Security Administration (SSA) announced the annual increase in its benefit payments for the coming year. This change will mean automatic increases in payments from Social Security's Old-Age, Survivors, and Disability Insurance (OASDI) and Supplemental Security Income (SSI) programs. The increase will be effective with December 2002 payments received in January 2003. Specific information on the size of the increase is available on the SSA website at http://www.ssa.gov/OACT/COLA/COLA.sum.html.
Values for some series--both CPI for All Urban Consumers (CPI-U) and CPI for Urban Wage Earners and Clerical Workers (CPI-W)--have been revised. The revisions cover the period from January 2000 through August 2000. These revised values were loaded into the LABSTAT database at 10 a.m. EDT on Thursday, September 28, 2000. See http://www.bls.gov/cpi/cpirev01.htm for more information, and for links to tables containing the revised index values.
Future Schedule for Expenditure Weight Updates in the Consumer Price Index
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