As of 2023, Australia has the largest Mandaean population in the world, followed by Sweden (which has the largest Mandaean population in Europe) and the United States.
[1] The Sydney metropolitan area in Australia has the largest Mandaean diaspora community in the world.
[2] The community is centered in Greater Western Sydney suburbs such as Fairfield, Liverpool,[3] and Penrith.
[5] The Sabian Mandaean Association of Australia has purchased land by the banks of the Nepean River at Wallacia, New South Wales, where Wallacia Mandi is currently being built.
[8] Religious affairs are managed by the Mandaean Synod of Australia.