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City of WannerooPopulation forecast

City of Wanneroo

Population and age structure

Between 2021 and 2031, the age structure forecasts for City of Wanneroo indicate a 21.2% increase in males under working age, a 62.1% increase in males of retirement age, and a 41.9% increase in males 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 Wanneroo 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
City of Wanneroo - Total males202120312046Change between 2021 and 2046
Age group (years)Number%Number%Number%Number
0 to 47,9127.49,9446.714,5826.7+6,669
5 to 98,5308.09,7926.613,9796.5+5,449
10 to 148,3227.810,2786.913,6356.3+5,312
15 to 197,3746.910,7987.213,2936.2+5,919
20 to 247,2556.811,2977.613,9946.5+6,739
25 to 297,0586.611,2407.514,8266.9+7,768
30 to 347,7827.311,5397.716,6257.7+8,842
35 to 398,3497.810,8017.217,0757.9+8,726
40 to 447,3156.810,7747.215,5387.2+8,223
45 to 497,4346.910,3136.913,9646.5+6,530
50 to 547,1996.78,3185.612,6865.9+5,487
55 to 596,1475.77,9125.312,0645.6+5,917
60 to 644,8354.57,4245.011,2355.2+6,400
65 to 693,7263.55,9974.08,4093.9+4,683
70 to 743,3103.14,4323.07,1253.3+3,816
75 to 792,2092.13,5582.46,5193.0+4,310
80 to 841,3981.32,7501.85,0932.4+3,695
85 and over1,0211.02,1701.55,4882.5+4,467
Total persons107,178100.0149,339100.0216,127100.0+108,949
Source: Population and household forecasts, 2021 to 2046, prepared by .id (informed decisions), March 2024.

Key findings

In 2021, the dominant age structure for males in City of Wanneroo was ages 5 to 9, which accounted for 8.0% of the total males.

The largest increase in males between 2021 and 2031 is forecast to be in ages 25 to 29, which is expected to increase by 4,182 and account for 7.5% of the total males.

The largest male 5 year age group in 2031 is 30 to 34 years, with a total of 11,539 males.

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