[1] The organisation is fully operated by volunteers who have left high school and are under the age of 25,[2] over 15,000 young people participate in UN Youth Australia’s programs, activities and events each year.

Each year in January, a delegation of secondary school students tours the United States, meeting US and UN officials in Washington, D.C. and New York.

Also in January, UN Youth Australia sends a delegation of 16 secondary school students to visit the United Nations Office in Vienna as part of a European tour focusing on international relations, modern history, and organisations in Europe relevant to global politics.

Also in July, the organisation sends a delegation of secondary school students on the Aotearoa Leadership Tour which promotes interculturalism and engagement between indigenous and non-indigenous young Australians through a tour of New Zealand focusing on Māori culture and Maori-Pākehā relations, organised in close collaboration with UN Youth New Zealand.

In 2015, UN Youth Australia began the Middle East Experience program, in which secondary school delegates tour 2 countries in the region.