This Briefing Paper examines how UN peace operations are using casualty data to enhance the implementation of key elements of their mandates, including the protection of civilians (PoC), the promotion and protection of human rights, and conflict prevention, thereby contributing to achieving UN Sustainable Development Goal (SDG) 16.1: ‘Significantly reduce all forms of violence and related deaths rates everywhere’. It argues that, in the absence of data from state institutions, UN peace operations can be…