Its members, originally the countries that fought against the Axis Powers in the Second World War, now number almost 200 and include most sovereign states of the world. Administration is by a secretariat headed by the Secretary General. The chief deliberative body is the General Assembly, in which each member state has one vote; recommendations are passed but are not binding on members, and in general have had little effect on world politics. The Security Council bears the primary responsibility for the maintenance of peace and security, and may call on members to take action, chiefly peacekeeping action, to enforce its decisions. The UN's headquarters are in New York.