This publication aims to provide Member States with a concise overview of the latest developments regarding SMR technology worldwide. It explores SMRs under development, their potential growth trajectory, and the lifecycle of SMR development from concept to decommissioning. It also examines the unique global role the IAEA plays in supporting the establishment of sustainable nuclear power programmes and in catalysing technology development and deployment in Member States including through efforts such as the SMR Platform and the Nuclear Harmonization and Standardization Initiative (NHSI). Most data presented in this publication come from the 2024 update to the ARIS database. Publications on the status of SMR technology developments have been published in 2011, 2012, 2014, 2016, 2018, 2022 and 2024.