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Data confidence level: 
Given that the Commonwealth of Australia was colonized by Britain in the late 18th century, it is no surprise that there is a large percentage of the Australian population who have British ancestry. However, the largest wave of British immigrants settled in Australia in the 18th and mid-19th centuries. Since then, immigration in Australia is much more diverse. This trend was sparked by the first big wave of European and Asian immigrants during the gold rush of the 1850s. Today, migration procedures have become stricter and international political circumstances are different, which has created a change in immigration patterns around the world. The percentage of people who presently immigrate from the United Kingdom is therefore far less than in former times, and certainly does not represent the number of Australians with British ancestry.
This FACT indicates the number of people born in the United Kingdom per 100,000 persons in each Australian city. According to the results of the 2016 Census, the city with the highest proportion of UK Born people is Perth, at 10,251 per 100,000. The city with the least is Melbourne, at 3,599 per 100,000.
