Research Terms of Reference - Multi Sector Needs Assessment - UKR2609, Ukraine (May 2026)

Country: Ukraine Source: REACH Initiative Please refer to the attached file. 2. Rationale 2.1 Background Four years after the escalation of the war in Ukraine since February 2022, the humanitarian crisis has become increasingly protracted, while continuing to evolve in scale, severity, and geographic distribution. As of early 2026, an estimated 3.9 million people remain internally displaced across Ukraine,2 while and estimated of 4.2 million people have returned to their areas of origin,3 and 5.