Ukraine: Calibration Assessment Round 4 (2026) - Key Findings from Prioritised Frontline Oblasts, May 2026

Country: Ukraine Source: REACH Initiative Please refer to the attached file. Context and Rationale More than four years after the escalation of the full-scale war in Ukraine¹, the humanitarian situation across the country remains severe, with needs persisting among large segments of the population². Over time, the crisis has increasingly shifted from an acute emergency towards a more protracted and entrenched humanitarian context, as prolonged displacement³, repeated disruptions to essential ser