This document on UNFCCC budget performance for the biennium 2024–2025 covers the reporting period of 1 January 2024 to 31 December 2025 and should be considered in conjunction with document FCCC/SBI/2026/7/Add.1, which will provide an overview of the secretariat’s progress in implementing its work programme for the biennium 2024–2025 against expected results and corresponding performance indicators. Further details on programme delivery, including the outputs planned for and delivered in the reporting period, will be made available on the UNFCCC website. In accordance with the results-based approach, this document informs Parties of actual budget expenditure up to 31 December 2025. In addition, it contains a detailed report on programme delivery within the secretariat.

As at 31 December 2025, total expenditure in the biennium 2024–2025 amounted to EUR 227.2 million, representing 60 per cent of the total integrated budget for 2024–2025, while core budget expenditure stood at 100 per cent.