Social Security COLA

If you want to know more about the COLA formula, read my July 24, 2017, article: The Formula: How Much Will Social Security Benefits Increase In 2018?

In short, the COLA is based on an unusual inflation index – CPI-W – and is determined by averaging the indexes for July, August and September and comparing that number with the same average for last year. The CPI-W index for September 2017 was set at 240.939, completing the equation needed to set the January 2018 COLA. Here are the numbers, which set the new COLA at 2.0%:

Social Security COLA

 

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