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Town of Victoria ParkPopulation forecast


Population and age structure

Between 2016 and 2026, the age structure forecasts for Bentley indicate a 166.7% increase in population under working age, a 36.1% increase in population of retirement age, and a 26.6% 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 Bentley 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
Bentley - Total persons201620262041Change between 2016 and 2041
Age group (years)Number%Number%Number%Number
0 to 400.020.120.1+2
5 to 930.250.250.1+2
10 to 1400.010.010.0+1
15 to 191638.52449.657314.3+410
20 to 2421911.432512.877019.2+551
25 to 29532.8572.2852.1+32
30 to 34301.6311.2300.80
35 to 39160.8160.6160.40
40 to 44211.1230.9240.6+3
45 to 49251.3251.0270.7+2
50 to 54331.7341.3380.9+5
55 to 59271.4230.9290.7+2
60 to 64522.7311.2411.0-11
65 to 69824.3783.1992.5+17
70 to 741538.01797.02396.0+86
75 to 791879.827610.83809.5+193
80 to 8422711.936214.249812.4+271
85 and over62332.583632.81,15228.7+529
Total persons1,914100.02,547100.04,008100.0+2,094
Source: Population and household forecasts, 2016 to 2041, prepared by .id (informed decisions), May 2021.

Key findings

In 2016, the dominant age structure for persons in Bentley was ages 85 and over, which accounted for 32.5% of the total persons.

The largest increase in persons between 2016 and 2026 is forecast to be in ages 85 and over, which is expected to increase by 213 and account for 32.8% of the total persons.

The largest 5 year age group in 2026 is 85 and over years, with a total of 836 persons.

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