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City of SwanPopulation forecast

Gidgegannup

Population and age structure

Between 2022 and 2036, the age structure forecasts for Gidgegannup indicate a 63.7% increase in population under working age, a 70.0% increase in population of retirement age, and a 36.4% 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 Swan 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
Gidgegannup - Total persons202220362051Change between 2022 and 2051
Age group (years)Number%Number%Number%Number
0 to 41274.22275.13145.0+187
5 to 91585.22746.23796.1+222
10 to 141976.52886.54096.5+212
15 to 192337.72816.34086.5+175
20 to 241585.22014.52824.5+124
25 to 29903.01282.91772.8+86
30 to 341224.01824.12413.8+119
35 to 391665.52726.13695.9+203
40 to 441826.03207.24457.1+263
45 to 492568.43748.55358.5+279
50 to 5430510.13698.35378.6+232
55 to 592909.63477.85288.5+238
60 to 642508.23257.34567.3+206
65 to 691785.92756.23645.8+186
70 to 741264.22194.92894.6+163
75 to 79953.11563.52243.6+129
80 to 84481.6962.21642.6+115
85 and over471.5942.11352.2+89
Total persons3,028100.04,430100.06,253100.0+3,225
Source: Population and household forecasts, 2021 to 2051, prepared by .id (informed decisions), February 2024.

Key findings

In 2022, the dominant age structure for persons in Gidgegannup was ages 50 to 54, which accounted for 10.1% of the total persons.

The largest increase in persons between 2022 and 2036 is forecast to be in ages 40 to 44, which is expected to increase by 138 and account for 7.2% of the total persons.

The largest 5 year age group in 2036 is 45 to 49 years, with a total of 374 persons.

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