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City of KnoxCommunity profile

City of Knox

Five year age groups

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In 2021, there were 52,576 people born overseas living in the City of Knox, with largest age group being 35 to 39 year olds in 2021.

The Age Structure of the overseas born population in the City of Knox provides key insights into the level of demand for age based services and facilities such as child care and language services. Overseas-born populations may have a quite different age profile to the general population, depending on when the main groups migrated. For instance in a student area they are likely to be younger, however an area which received a lot of post-war migration may have an older population.

Five year age groups present a classic age profile of the population. Each age group covers exactly five years, which enables direct comparison between each group.

To get a more complete picture the City of Knox's overseas-born Age Structure should be viewed in conjunction with Household Types and Dwelling Types.

Q:

Derived from the Census question:

'What is the person's date of birth or age?'

Five year age groups
City of Knox - born overseas20212016Change
Five year age groups (years)Number%City of Knox - Total populationNumber%City of Knox - Total population2016 to 2021
0 to 41780.35.32830.65.8-105
5 to 97871.55.97611.65.9+26
10 to 141,1402.25.81,2122.65.8-72
15 to 191,6413.15.91,5873.46.4+54
20 to 241,8593.56.11,7183.76.6+141
25 to 292,2734.36.02,6305.76.4-357
30 to 344,1317.96.73,9288.46.8+203
35 to 395,35010.27.23,9928.66.7+1,358
40 to 444,9229.46.83,6447.86.8+1,278
45 to 494,1717.96.73,8238.27.2+348
50 to 544,0777.86.84,1849.07.2-107
55 to 594,3838.36.74,1378.96.8+246
60 to 644,3778.36.23,9138.46.1+464
65 to 693,9427.55.43,5077.55.2+435
70 to 743,4216.54.62,4685.33.6+953
75 to 792,3694.53.21,9964.32.7+373
80 to 841,8213.52.41,3602.91.9+461
85 and over1,7343.32.21,3753.02.0+359
Total people52,576100.0100.046,518100.0100.0+6,058
Source: Australian Bureau of Statistics, Census of Population and Housing 2016 and 2021. Compiled and presented by .id (informed decisions).
Please refer to specific data notes for more information

Dominant groups

Analysis of the five year age groups of the population born overseas in the City of Knox in 2021 compared to the total population in the City of Knox shows that there was a lower proportion of people in the younger age groups (under 15) and a higher proportion of people in the older age groups (65+).

Overall, 4.0% of the population born overseas was aged between 0 and 14, and 25.3% were aged 65 years and over, compared with 17.0% and 17.9% respectively for the total population in the City of Knox.

The major differences between the age structure of the population born overseas in the City of Knox and the total population in the City of Knox were:

  • A larger percentage of people aged 35 to 39 (10.2% compared to 7.2%)
  • A smaller percentage of people aged 0 to 4 (0.3% compared to 5.3%)
  • A smaller percentage of people aged 5 to 9 (1.5% compared to 5.9%)
  • A smaller percentage of people aged 10 to 14 (2.2% compared to 5.8%)

Emerging groups

The largest changes in age structure of the population born overseas in this area between 2016 and 2021 were in the age groups:

  • 35 to 39 (+1,358 persons)
  • 40 to 44 (+1,278 persons)
  • 70 to 74 (+953 persons)
  • 60 to 64 (+464 persons)

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