United Nations (UN)The UN's stated aims are facilitating cooperation in international law and security, economic development, social progress, human rights, and the achievement of world peace. With 191 member countries, the UN is composed of the General Assembly, Security Council, Economic and Social Council, Secretariat, and International Court of Justice, along with the UN System - 12 independent organizations such as the IMF, plus UN offices, programs, and funds such as the UN High Commissioner for Refugees.