The United Nations, also referred to as the UN, is an intergovernmental organization founded in 1945 to promote international cooperation and maintain peace and security across the world. Some synonyms for the United Nations include the UNO (United Nations Organization), the World Body, the Global Community, the International Assembly, the International Organization, and the World Organization. The UN consists of 193 member states and is headquartered in New York City. The organization's objectives are to develop friendly relations between nations, promote social progress, and improve living standards around the world. It accomplishes these through various programmes and initiatives addressing key issues such as poverty, conflict, health, and climate change.