You are here Home Reports for government 2025 Methodology Review Consultation Consultation Main navigation In this section Reports for government 2025 Review Consultation What is a methodology review? 2023 Update 2022 Update 2021 Update 2020 Review 2019 Update 2018 Update 2017 Update 2016 Update 2015 Review On 14 February 2023, the Commission issued a discussion paper on the proposed approach and work program for the 2025 Methodology Review. Proposed Approach and Work Program pdf (1.2 MB)