cost of living adjustment (COLA) COLA Limits adjusted annually cost-of-living adjustments cost of living adjustment (COLA) website $36,000 in 2015, 2016, and 2017 $18,000 in 2015, 2016 and 2017 cost-of-living adjustments $37,000 in 2018 and 36,000 in 2015 - 2017 cost-of-living adjustments cost of living adjustments IRS Limits $36,000 in 2015 and 2016 cost-of-living adjustments benefit contribution limitations $18,000 in 2015, 2016 and 2017 after-tax 401k contributions up to the IRS limit of $54,000 $36,000 in 2015, 2016, and 2017 cost-of-living increases $18,000 in 2015, 2016 and 2017 cost-of-living adjustments cost-of-living adjustments $36,000 in 2015, 2016, and 2017 dollar limitation $18,000 in 2015 and 2016 cost of living adjustment (COLA) cost of living adjustment (COLA)