Proposed Provision: Starting December 2017, compute the COLA using a chained version of the consumer price index for wage and salary workers (CPI-W). We estimate this new computation will reduce the annual COLA by about 0.3 percentage point, on average.

OASDI Cost Rates and Income Rates
(as a percentage of taxable payroll)

  Income Rates Cost Rates
Year Present Law Provision Present Law Provision
201612.912.914.014.0
201712.912.913.713.7
201813.013.013.913.8
201913.013.014.013.9
202013.013.014.114.0
202113.013.014.314.1
202213.013.014.514.3
202313.113.014.814.5
202413.113.115.014.8
202513.113.115.315.0
202613.113.115.515.1
202713.113.115.615.3
202813.213.115.815.4
202913.213.116.015.5
203013.213.216.115.6
203113.213.216.215.7
203213.213.216.315.8
203313.213.216.415.9
203413.213.216.515.9
203513.213.216.515.9
203613.213.216.616.0
203713.213.216.616.0
203813.213.216.616.0
203913.213.216.616.0
204013.213.216.615.9
204113.213.216.615.9
204213.213.216.515.9
204313.213.216.515.8
204413.213.216.515.8
204513.213.216.415.8
204613.213.216.415.7
204713.213.216.415.7
204813.213.216.415.7
204913.213.216.415.7
205013.213.216.415.7
205113.213.216.415.7
205213.213.216.415.7
205313.213.216.415.7
205413.213.216.415.7
205513.213.216.515.8
205613.213.216.515.8
205713.313.216.615.9
205813.313.216.615.9
205913.313.216.716.0
206013.313.216.716.0
206113.313.216.816.1
206213.313.216.816.1
206313.313.216.916.1
206413.313.216.916.2
206513.313.217.016.2
206613.313.217.016.3
206713.313.217.116.3
206813.313.217.116.4
206913.313.317.216.4
207013.313.317.216.5
207113.313.317.316.5
207213.313.317.316.6
207313.313.317.316.6
207413.313.317.416.6
207513.313.317.416.6
207613.313.317.416.6
207713.313.317.416.6
207813.313.317.416.6
207913.313.317.416.6
208013.313.317.416.6
208113.313.317.416.6
208213.313.317.416.6
208313.313.317.416.6
208413.313.317.416.7
208513.313.317.516.7
208613.313.317.516.7
208713.313.317.516.8
208813.313.317.616.8
208913.313.317.616.8
209013.313.317.716.9
209113.313.317.716.9
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