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City of GosnellsPopulation forecast

Beckenham

Population and age structure

Between 2021 and 2031, the age structure forecasts for Beckenham indicate a 8.7% increase in females under working age, a 77.1% increase in females of retirement age, and a 25.7% increase in females 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 Gosnells 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
Beckenham - Total females202120312046Change between 2021 and 2046
Age group (years)Number%Number%Number%Number
0 to 43467.63195.54355.5+89
5 to 92826.22905.03915.0+109
10 to 142575.73536.04295.4+172
15 to 191974.34708.05527.0+355
20 to 243587.95459.36928.8+334
25 to 2948110.64688.06498.2+168
30 to 3448610.73646.25316.7+45
35 to 394249.33796.55316.7+107
40 to 443116.84016.94696.0+158
45 to 492455.43696.34195.3+174
50 to 542285.03095.34125.2+184
55 to 591613.52824.84135.2+252
60 to 642054.53045.24185.3+213
65 to 691643.62704.63584.5+194
70 to 741773.92534.33384.3+161
75 to 791052.32033.52993.8+194
80 to 84621.41402.42322.9+170
85 and over521.11262.23083.9+256
Total persons4,541100.05,845100.07,876100.0+3,335
Source: Population and household forecasts, 2021 to 2046, prepared by .id (informed decisions), February 2024.

Key findings

In 2021, the dominant age structure for females in Beckenham was ages 30 to 34, which accounted for 10.7% of the total females.

The largest increase in females between 2021 and 2031 is forecast to be in ages 15 to 19, which is expected to increase by 273 and account for 8.0% of the total females.

The largest female 5 year age group in 2031 is 20 to 24 years, with a total of 545 females.

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