"Membership in the United Nations is open to all peace-loving states which accept the obligations of the Charter and, in the judgement of the Organization, are willing and able to carry out these obligations. The admission of any such State to membership in the United Nations will be effected by a decision of the General Assembly upon the recommendation of the Security Council." Article 4, Chapter 2, United Nations Charter Member States of the United Nations Growth in United Nations membership, 1945-2003 Permanent Missions to the United Nations - New York Permanent Missions to the United Nations - Geneva Permanent Missions to the United Nations - Vienna Home pages of Permanent Missions to the UN - New York Information for Delegations Non-Member States Maintaining Permanent Observer Missions at UN Headquarters Intergovernmental Organizations, and other Organizations or Entities having received a standing invitation to participate as observers in the sessions and the work of the General Assembly and maintaining permanent offices at Headquarters.