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City of SwanPopulation forecast

Urban Growth Corridor

Population and age structure

Between 2021 and 2036, the age structure forecasts for Urban Growth Corridor indicate a 68.6% increase in females under working age, a 164.5% increase in females of retirement age, and a 82.5% 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 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
Urban Growth Corridor - Total females202120362051Change between 2021 and 2051
Age group (years)Number%Number%Number%Number
0 to 41,23412.41,7719.81,5598.5+325
5 to 98868.91,4888.31,3817.6+495
10 to 145305.31,2086.71,2156.7+685
15 to 194554.61,1276.31,1526.3+697
20 to 246116.21,1316.31,0635.8+452
25 to 291,21912.31,5608.71,3137.2+93
30 to 341,52115.31,91110.61,5928.7+71
35 to 391,12011.31,87610.41,6379.0+517
40 to 447137.21,6539.21,5338.4+819
45 to 495015.01,3547.51,3597.4+858
50 to 543433.59635.31,1486.3+806
55 to 592652.76583.79515.2+685
60 to 642052.14552.57584.2+553
65 to 691071.13021.75463.0+439
70 to 741141.12261.33932.2+279
75 to 79500.51620.92741.5+224
80 to 84290.3830.51831.0+154
85 and over240.2840.51951.1+171
Total persons9,927100.018,013100.018,250100.0+8,324
Source: Population and household forecasts, 2021 to 2051, prepared by .id (informed decisions), February 2024.

Key findings

In 2021, the dominant age structure for females in Urban Growth Corridor was ages 30 to 34, which accounted for 15.3% of the total females.

The largest increase in females between 2021 and 2036 is forecast to be in ages 40 to 44, which is expected to increase by 940 and account for 9.2% of the total females.

The largest female 5 year age group in 2036 is 30 to 34 years, with a total of 1,911 females.

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