PI is always applied on the first Monday falling on or after 6 April. PI this year will be 1.7%, which will be applied from 6 April 2020.
PI is based on the rate of Consumer Prices Index (CPI) in the year to the preceding September.
PI is also used, where applicable, for the revaluation of the final average salary used in the calculation of final salary pensions, as well as for the revaluation of additional pension elections and the annual revaluation of career average pension for deferred members.