The escalation of the war in Ukraine began on 24 February 2022, causing thousands of civilian casualties; destroying civilian infrastructure, including hospitals, and triggering the fastest- growing displacement crisis in Europe since World War II. The demographic profile of Ukraine, combined with the implementation of martial law and conscription policies, led to an awareness of gender- and age-related factors within the regional humanitarian response that recognised the pre-crisis situation of persons of all genders and diversities and how the war and subsequent regional crisis were compounding the risks that they face.