The Camp Coordination and Camp Management (CCCM) Cluster in Yemen, led by UNHCR, is responsible for providing consistent oversight and up-to-standard service delivery at all sites hosting internally displaced persons (IDPs). It is estimated that more than 30 per cent of the displaced population in Yemen—some 1.2 million IDPs—are living in various settlements, although to date only 1,345 IDP hosting sites (some 440,000 IDPs or 65,583 households) have been identified. Assessments are ongoing to locate the rest and to provide coordinated and standardized services to all IDPs at hosting sites.