The United Nations Association of the United States of America (UNA-USA) is a membership organization dedicated to inform, inspire, and mobilize the American people to support the ideals and vital work of the United Nations. For 70 years, UNA-USA has worked to accomplish its mission through its national network of chapters, youth engagement, advocacy efforts, education programs, and public events. UNA-USA is a program of the United Nations Foundation. UNA-USA and its sister organization the Better World Campaign represent the single largest network of advocates and supporters of the United Nations in the world.