In the 2011 census released by the Australian Bureau of Statistics (ABS), figures show that 2, 087, 758 claimed some Irish Ancestry, making up 10.4%of the 2011 census population of Australia.
The 2006 census shows that 1,803, 736 claimed Irish ancestry making up 9.1% of the population at that time therefore showing that those claiming Irish ancestry has increased to 1.3% in the 5 years between the two censuses.
Of the 2.1 million who claimed Irish ancestry in the 2011 census, 12.9% were first-generation, 13.9% were second-generation and 73.2% were third-generation. Of the people who claimed Irish ancestry, 80.4% also claimed another ancestry.
The whole population of Australia increased from 19.8 million in 2006 to 12.5 million in 2011.