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The three largest ancestries in the City of Sydney in 2021 were English, Australian and Chinese.

Ancestry defines the cultural association and ethnic background of an individual going back three generations. Ancestry is a good measure of the total size of cultural groups in the City of Sydney regardless of where they were born or what language they speak.

Ancestry data, should be combined with data on Birthplace, Language Spoken at Home and Religion for a more complete picture of the City of Sydney's ethnic characteristics.

Please note that the "Australian Aboriginal" and "Torres Strait Islander" categories in this topic are not directly comparable from 2021 to previous years, due to a change in the wording of the question. In 2021, these options were marked boxes on the question rather than write-in options. The "Aboriginal and Torres Strait Islander Origin" question is still considered a more reliable count for this group, and can be found on the Population summary page.

Please note: Due to changes in ABS rules around perturbation and additivity of data to protect the confidentiality of individuals, counts of ancestry groups and totals derived from them may differ slightly from those published by the ABS. For more information see notes on data confidentiality.

Q:

Derived from the Census question:

'What is the person's ancestry?'

Multi-response

Ancestry - Totals
City of Sydney - Total persons (Usual residence)20212001Change
Ancestry totalsNumber%Greater Sydney %Number%Greater Sydney %2001 to 2021
Not stated16,0705.94.723,98318.36.6-7,914
Total responses271,005----131,139----+139,866
Total people211,645----128,520----+83,124
Source: Australian Bureau of Statistics, Census of Population and Housing 2001 and 2021. Compiled and presented by .id (informed decisions).
Please refer to specific data notes for more information
Ancestry - Ranked by size
City of Sydney - Total persons (Usual residence)20212001Change
AncestryNumber%Greater Sydney %Number%Greater Sydney %2001 to 2021
English53,01625.023.832,37225.227.6+20,643
Australian35,61616.822.325,10219.528.8+10,514
Chinese35,57216.810.611,6359.16.3+23,936
Irish22,54710.77.715,46412.09.3+7,082
Scottish15,7897.56.03,8033.02.5+11,986
Italian8,3473.94.33,0812.44.2+5,265
German6,9063.32.33,9473.12.5+2,959
Thai6,2933.00.69070.70.2+5,385
Indian5,4802.64.51,2671.01.7+4,213
Indonesian4,0581.90.61,1420.90.3+2,916
Show all (128 entries)

Excludes ancestries with fewer than 10 responses (multi-response).

Dominant groups

Analysis of the ancestry responses of the population in City of Sydney in 2021 shows that the top five ancestries nominated were:

  • English (53,016 people or 25.0%)
  • Australian (35,616 people or 16.8%)
  • Chinese (35,572 people or 16.8%)
  • Irish (22,547 people or 10.7%)
  • Scottish (15,789 people or 7.5%)

In combination these five ancestries account for 162,540 responses in total, or 76.80% of all responses.

The major differences between the ancestries of the population in the City of Sydney and Greater Sydney were:

  • A larger percentage of people with Chinese ancestry (16.8% compared to 10.6%)
  • A larger percentage of people with Irish ancestry (10.7% compared to 7.7%)
  • A smaller percentage of people with Australian ancestry (16.8% compared to 22.3%)
  • A smaller percentage of people with Lebanese ancestry (0.9% compared to 3.3%)

Emerging groups

The largest changes in the reported ancestries of the population in this area between 2001 and 2021 were:

  • Chinese (+23,936 persons)
  • English (+20,643 persons)
  • Scottish (+11,986 persons)
  • Australian (+10,514 persons)

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