population: 22,609,054 economy: Mixed, Free market Economy relations with the US: diplomatic language: No official languages, though English is most commonly spoken. religion: Christianity, Roman Catholicism, Anglican, Other. traditions and customs: Folklore, Head-to-toe clothing, Anzac Day, Seafood meals, Vegemite. natural resources: bauxite, coal, iron ore, copper, tin, gold, silver, uranium, nickel, tungsten, rare earth elements, mineral sands, lead, zinc, diamonds, natural gas, petroleum. government: Federal parliamentary democracy and constitutional monarchy famous people: Nancy Bird, Marcus Clarke, Sir Robert Helpmann, Mary Gilmore, Kylie Minogue.