CIMA pass rates come out every quarter.
Certificate level pass rates cover period from 1 December 2018 to 31 January 2020.
Objective test pass rates cover period from 1 May 2018 to 30 April 2019. The new pass rates have not been made available due to the launch of the 2019 Professional Qualification.
The case study exam pass rates are as noted.
Information from CIMA website.