“In the past 50 years, the nature and shape of religion in Australia has changed dramatically. ... In the 2011 Census, Australia became at the same time both less religious and more religious. While a rising number declared they have “no religion” (22%), the number declaring a religion also increased significantly” (Bouma, 2017).
“Christianity was introduced to Australia by the first British settlers in the late 18th century. The Church of England (also known as the Anglican Church) began operating immediately and held a religious monopoly over the country. Eventually, other Christian denominations emerged, particularly the Catholic Church” (CulturalAtlas, n.d.).
Through immigration other religions have slowly merged to become part of the Australian history.
“For thousands of years prior to the arrival of Europeans, northern Sydney was occupied by different Aboriginal clans” (AboriginalHeritageOffice, n.d.).