Consumer Price Index

The Consumer Price Indexes (CPI) program produces monthly data on changes in the prices paid by urban consumers for a representative basket of goods and services.

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Consumer Price Index

August 19, 2014
On a seasonally adjusted basis, the Consumer Price Index for All Urban Consumers increased 0.1 percent in July after rising 0.3 percent in June. The index for all items less food and energy rose 0.1 percent in July, the same increase as in June. More...
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All Urban Consumers (Current Series)
(Consumer Price Index - CPI)
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Urban Wage Earners and Clerical Workers (Current Series)
(Consumer Price Index - CPI)
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All Urban Consumers (Chained CPI)
(Consumer Price Index - CPI)
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Average Price Data
(Consumer Price Index - CPI)
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Department Store Inventory Price Index
(Consumer Price Index - CPI)
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How BLS Measures Price Change in the Consumer Price Index for:

CPI Frequently Asked Questions

Frequently Asked Questions

  1. What is the CPI?
  2. How is the CPI used?
  3. Whose buying habits does the CPI reflect?
  4. Is the CPI a cost-of-living index?
  5. Does the CPI measure my experience with price changes?
  6. How is the CPI market basket determined?
  7. What goods and services does the CPI cover?
  8. How are CPI prices collected and reviewed?
  9. How is the CPI calculated?
  10. How are taxes treated in the CPI?

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CPI Special Notices

Notices

Revised Seasonal Indexes

UPDATED 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. BLS made available recalculated seasonally adjusted indexes, as well as recalculated seasonal adjustment factors, for the period January 2009 through December 2013, on Tuesday, February 18, 2014.

For information on seasonal adjustment in the CPI, including revised indexes, seasonal factors, methodology, and actions taken in 2013, see our page on seasonal adjustment.

Social Security COLA

Soon after the publication of September CPI data each October, the Social Security Administration (SSA) announces the annual change in its benefit payments for the coming year for Social Security's Old-Age, Survivors, and Disability Insurance (OASDI) and Supplemental Security Income (SSI) programs. Specific information on how the Social Security Administration uses the CPI to determine cost-of-living adjustments can be found at http://www.ssa.gov/OACT/COLA/colasummary.html.

CPI Published Numbers

Effective with the release in February 2007 of the January 2007 Consumer Price Index (CPI), the Bureau of Labor Statistics (BLS) began to publish its consumer price indexes rounded to three decimal places. Percent changes will be calculated from the three decimal place indexes. Those percent changes will continue to be published to one decimal place. For additional information, please see "Publishing Consumer Price Indexes to Three Decimal Places: Questions and Answers".

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