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City of KnoxPopulation forecast

Bayswater

Population and age structure

Between 2021 and 2031, the age structure forecasts for Bayswater indicate a 1.6% decrease in population under working age, a 6.8% increase in population of retirement age, and a 16.5% increase in population of working age.

Knowledge of how the age structure of the population is changing is essential for planning age-based facilities and services, such as child care, recreation and aged care.

The forecast age groups of the City of Knox is a function of the current age of the population (people aging each year, being born and dying) as well as the age of people migrating into and out of the area. This in turn is driven by location (fringe, city centre, regional or rural) the existing housing stock (separate dwellings, medium or high density), the amount and type of new residential development (same as existing stock, or diversifying) and where the area is in a cycle of change. We call this the area’s residential role and function. You can learn more about this in the section household and suburb life cycles.

Forecast age structure - 5 year age groups
Bayswater - Total persons202120312046Change between 2021 and 2046
Age group (years)Number%Number%Number%Number
0 to 47416.07775.68935.5+152
5 to 97085.86414.77564.7+48
10 to 146074.96064.46954.3+88
15 to 195664.66825.07434.6+177
20 to 247346.08886.51,0006.2+266
25 to 299337.61,1438.31,3138.2+380
30 to 341,1249.11,2699.21,4719.1+347
35 to 391,1099.01,2028.71,4208.8+311
40 to 448546.91,0827.91,2787.9+424
45 to 497396.09867.21,1557.2+415
50 to 547676.28346.11,0466.5+279
55 to 596925.67345.39475.9+255
60 to 646495.36965.18495.3+200
65 to 695274.36044.47164.4+188
70 to 745394.45093.75743.6+35
75 to 794053.33912.84883.0+83
80 to 843012.43792.83962.5+96
85 and over3062.53362.43672.3+61
Total persons12,301100.013,758100.016,106100.0+3,806
Source: Population and household forecasts, 2021 to 2046, prepared by .id (informed decisions), June 2023.

Key findings

In 2021, the dominant age structure for persons in Bayswater was ages 30 to 34, which accounted for 9.1% of the total persons.

The largest increase in persons between 2021 and 2031 is forecast to be in ages 45 to 49, which is expected to increase by 247 and account for 7.2% of the total persons.

The largest 5 year age group in 2031 is 30 to 34 years, with a total of 1,269 persons.

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