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Inflation - Consumer Price Index
Frequently Asked Questions
CPI Historical Statistics
CPI Forecasts
COLA Calculations

How City of Seattle Cost-of-Living Adjustments (COLAs) are Calculated

Annual cost-of-living adjustments (COLAs) for most City labor contracts are based on changes in the consumer price index (CPI). Currently, COLAs used in City labor contracts are determined by one of the following three measures:

  • Percent change in Seattle CPI-W for 12 months ending in June
    For an example see:
    Excel File | PDF File

The Citys labor contracts ( identify the specific measures that apply.

Last updated: December 7, 2005

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