For CSRS retirees:

(09/17/14) The 2015 CSRS retiree COLA is based on the third quarter (July, August, September) average CPI-W index in 2014 over the 2013 third quarter average. After the second quarter of 2014, the third quarter of the 2015 COLA adjustment period, the quarterly index has risen by 1.7%.

For FERS retirees:

(09/17/14) The 2015 FERS retiree COLA is based on the third quarter (July, August, September) average CPI-W index in 2014 over the 2013 third quarter average.  However, if the CPI-W quarterly average increases 3% or more, they subtract 1%.  A 5% increase in the quarterly CPI-W average results in a 4% adjustment.  If the quarterly average increases from 2% to 3%, benefits increase by 2%.  A CPI-W quarterly average increase of 2% or less will increase benefits by the change in the CPI-W quarterly average. After the second quarter of 2014, the third quarter of the 2015 COLA adjustment period, the quarterly index has risen by 1.7%.

For Social Security recipients:

(09/17/14) The 2015 Social Security COLA is based on the third quarter (July, August, September) average CPI-W index in 2014 over the 2013 third quarter average. After the second quarter of 2014, the third quarter of the 2015 COLA adjustment period, the quarterly index has risen by 1.7%.

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