ونظراً لنجاح نشر متطوعي الأمم المتحدة وإدراجهم في صلب الأنشطة، ازداد تقدير أدائهم المهني ازدياداً سريعاً وازداد كذلك اعتماد المفوضية عليهم إلى مستوى يتجاوز ما يمكن توقعه عادة من "متطوعين".
As deployment of international UNVs proved successful and became mainstreamed, appreciation of their professional performance grew apace, as well as UNHCR's reliance on them to a level beyond what could normally be expected of “volunteers.” UNHCR also increasingly resorted to national UNVs, whose deployment is simpler and less costly in comparison to that of international UNVs.