 In the decades immediately following the Second World War, Australia received a large wave of immigration from across Europe, with many more immigrants arriving from Southern and Eastern Europe than in previous decades.Since the end of the White Australia policy in 1973, Australia has pursued an official policy of multiculturalism, and there has been a large and continuing wave of immigration from across the world, with Asia being the largest source of immigrants in the 21st century.In the 2016 Australian census, the most commonly nominated ancestries were